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Radiology / Diagnostic Radiology Expert Witnesses

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David S. Dinhofer, MD, MSMI, FACR
2142 State Route 26
Hasbrouck Heights, New Jersey
Vestal NY 13850
USA
phone: 646-504-4569
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David S. Dinhofer, MD, MSMI, FACR, has over 35 years of experience practicing Radiology and Health / Medial Informatics.

A Fellow of the American College of Radiology, Dr. Dinhofer is on the staff of SUNY-Downstate as head of Emergency Radiology at the University Hospital teaching medical students, residents, and fellows. His research focused on radiation reduction strategies, patient safety, radiation ethics, simulation lab for software evaluation in medicine, patient centered HIT, and shared decision making for patient provider interactions.

Dr. Dinhofer is a reviewer for the journal, Emergency Radiology, as well as on the reviewer for paper submissions to the Sigma Xi Research Honor Society and American Medical Informatics Association.

Litigation Support - Dr. Dinhofer has performed clinical evaluations for malpractice cases and personal injury cases. He has been an expert witness and testified in court for attorneys representing both Plaintiff and Defendant. Dr. Dinhofer currently has state licenses in New York, New Jersey, Pennsylvania, Florida, Louisiana, and Alabama.

Areas of Expertise:
  • Interpretation of Medical Images (CT, MRI, US, Nuclear Medicine, X-ray)
  • Workflow Analysis
  • Quality Improvement
  • Radiation Reduction Strategies and Patient Safety
  • Business Analytics
  • Risk Management
  • Medical Informatics (Product Development, Start up Advisor
  • Implementation of HIT and PACS
  • Meaningful Use Compliance
  • Radiology Business Administration
  • Governance, Strategic Planning
  • Medical Ethics


  • View Dr. Dinhofer's Consulting Profile.
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    8,500 Experts 250 Specialties
    6425 Christie Avenue, Suite 260
    Emeryville CA 94608
    USA
    phone: 800-275-8903
    fax: 510-486-1255
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    Medical Experts for Malpractice & Personal Injury Cases
    AMFS is America's premier medical expert witness and consulting company. We are a trusted partner with the legal community and provide a superior method of retaining medical experts. Since 1990, we have provided board-certified medical experts in over 10,000 medical malpractice and personal injury cases with a 92% win-rate compared to the industry average of 28%.
  • 8,500+ Medical Experts in 250+ Specialties
  • Active Practice Physicians with Legal Experience
  • Free Cost Attorney-Physician Consultations
  • Medical Record Review & Testimony
  • Independent Medical Examinations (IME) & Autopsies
  • Essential Affidavits & Reporting
  • Credible Expert Witnesses Resolving Medical Cases
    At AMFS, we carefully screen our experts to ensure that they are in active practice and are not "professional" experts. Our internal policy of blind presentation and review ensures objectivity and enables our experts to provide forensic testimony with the highest credibility. We maintain our high standards through oversight from an advisory board of esteemed medical professionals.
    Learn More: Medical Expert Witness
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    Daniel Powers, MD
    6200 Wilshire Blvd. Suite 1006
    Los Angeles CA 90048
    USA
    phone: 800-222-6768 or 800-247-8624
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    Daniel Powers Diagnostic Imaging Expert PhotoDaniel Powers, MD, is Board Certified by the American Board of Radiology. Dr. Powers is licensed to practice medicine actively in 49 states plus the District of Columbia. He has built an extensive practice providing diagnostic imaging services and second opinions nationwide.

    As a specialist in Diagnostic Radiology, Dr. Powers has taken additional training and testing in the interpretation of imaging studies of individuals exposed to occupational dusts and fibers and has been certified by the Federal Government as a "B-Reader" (Note that an "A-Reader" is a lesser degree of certification than a "B-Reader").

    Dr. Powers was certified in 1984 and has recertified every four years since, in 1988, 1992, 1996, 2000, 2004, 2008, and 2012. He has extensive experience including rendering diagnoses in tens of thousands of chest x-rays, supine and prone spiral CT, and supine and prone HRCT scans. His CT / HRCT experience dates back to the beginning of when CT was first used routinely for occupational dust and fiber exposure in the 1980s.

    Litigation Support - Dr. Powers has expertise in the diagnosis of image findings in Occupational Lung Disease. His services have been requested to determine whether a respiratory problem caused by occupational dust and fiber exposure, such as asbestosis, silicosis, or coal workers’ pneumoconiosis / black lung disease has markers for such, seen on imaging studies. Dr. Powers has testified in deposition and at trial regarding individuals and grouped clients.

    Consulting Services - Dr. Powers also offers imaging services to individuals, occupational clinics, corporations, unions, government agencies, insurance agencies, and hospitals to determine if there are markers of occupational dust or fiber exposure on imaging studies.
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    Cleveland OH USA
    phone: 216-401-6281 or 216-983-4965
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    Jon C. Davidson, MD, is a fellowship-trained Interventional Radiologist with over 14 years of experience practicing in an academic medical institution. He currently sits on the Standards of Practice Committee for the Society of Interventional Radiology, and is very involved with developing guidelines for the standard of care within his specialty. I currently serve on the Society of Interventional Radiology Standards of Practice Comittee, whereby I am responsible for developing guidelines for nearly all the procedures that we perform.

    Dr. Davidson is the Fellowship Program Director for Interventional Radiology at University Hospitals Case Medical Center. Also serving as Staff Radiologist, he has been responsible for training many successful Interventional Radiologists throughout the world.

    Litigation Support - Dr. Davidson has been involved with many expert witness consultations, and has a great deal of experience with defining the standard of care. He has expertise in nearly all Vascular and Interventional Radiology procedures, as well as most of Diagnostic Radiology.

    Dr. Davidson's services include medical record review, written reports, depositions, and trial testimony when necessary. His expertise is available to counsel representing both Plaintiff and Defendant. Dr. Davidson is licensed to practice in New York, Tennessee, Michigan, Pennsylvania, and Idaho.

    Areas of Expertise:
    • Interventional Radiology
    • Interventional Oncology
    • Women's Health
  • Vascular Access
  • Radiology
  • Standard of Care
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    6340 N. Campbell Avenue - Suite 200
    Tucson AZ 85718
    USA
    phone: 888-790-1399
    fax: 888-315-5705
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    ELITE MEDICAL EXPERTS works with attorneys to provide 100% Board-Certified physicians and surgeons practicing at the professorial level at the nation's leading universities. From Stanford to Yale, and from every medical and surgical specialty, ELITE secures fulltime practicing high-level experts from the nation’s most respected medical institutions. Each specialist is truly unique – a Board Certified professor with a dedicated clinical practice, extensive publications, and top-tier credentials from a major U.S. medical center. When an ELITE expert aligns with your case, you have a powerful voice – ready to testify – on your side.

    ELITE offers:
    • Immediate access to top-tier university physicians and surgeons.
    • Cost-effective case analysis on a flat-fee basis.
    • Panels of expert witnesses for complex cases.
    • Independent Medical Examinations (IME) within a favorable radius of any location
    To minimize expense, ELITE charges a single flat fee for the expert’s initial case review and oral opinion. If the case is non-meritorious, your firm's out-of-pocket expenses are capped. If the case moves forward, then all of our experts utilize standardized terms and fees. ELITE remains available to streamline communications, provide strategic support, and handle the details.  Experts are hand-selected within 14 days and will review records and offer independent opinions shortly thereafter.

    Please visit our web site. You also are welcome to call us.  You'll speak directly with a physician and there is never a charge to discuss your case.

    We welcome the opportunity to work with you on your next case.

    Dr. Burton Bentley II, M.D., FAAEM
    President, ELITE MEDICAL EXPERTS, LLC.

    Areas of Expertise:
    • Anesthesiology
    • Bariatric Surgery
    • Cardiology
    • Cardiothoracic Surgery
    • Critical Care
    • Dermatology
    • Ears, nose & throat (Otolaryngology)
    • Emergency Medicine
    • Endocrinology
    • Epidemiology
    • Family Medicine
    • Gastroenterology
    • General Surgery
    • Gerontology
    • Gynecologic Oncology
    • Gynecology
    • Hand Surgery
    • Hospital medicine (Hospitalist)
    • Infectious Disease
    • Intensive Care (ICU) Medicine
    • Internal Medicine
    • Interventional Radiology
    • Laparoscopic Surgery
    • Maternal Fetal Medicine
    • Neonatology
    • Nephrology
    • Neurology
    • Neurosurgery
    • Obstetrics
    • Oncology
    • Ophthalmology
    • Oral & Maxillofacial Surgery
    • Orthodontics
    • Orthopaedic Surgery
    • Pathology
    • Pediatrics
    • Perinatology
    • Physical Medicine & Rehabilitation (PMR)
    • Podiatry
    • Psychiatry
    • Pulmonology
    • Radiology
    • Rheumatology
    • Sports Medicine
    • Toxicology
    • Urology
    • Vascular Surgery
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    Radiology & Nuclear Medicine
    514 Arrington Avenue
    North Augusta SC 29841
    USA
    phone: 573-808-0918
    Dr. Bennett S. Greenspan is trained and Board-Certified in Radiology and Nuclear Medicine. He has 27 years of experience in clinical Radiology and Nuclear Medicine. He has been involved for 27 years in teaching Nuclear Medicine to residents in Radiology and Nuclear Medicine, Medical Students, and Nuclear Medicine Technology Students. In addition, Dr. Greenspan has further training in Radiation Safety, Health Physics, and Medical Physics, and has a M.S. degree from UCLA in Medical Physics.

    Dr. Greenspan has been involved in Quality Assurance in Nuclear Medicine since 1989, and has been on the QA committee for Nuclear Medicine of the American College of Nuclear Physicians or the Society of Nuclear Medicine continuously since then. He has evaluated multiple practices of Nuclear Medicine around the country through this process, which involves evaluation of a questionnaire and a site visit.
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    Joanne W. Wernicki, MD
    1485 37th St.
    Ste. 107
    Vero Beach FL 32960
    USA
    phone: 772-569-9745
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    JoanneJoanne W. Wernicki, MD, has been practicing Diagnostic Radiology for 25 years. Dr. Wernicki earned her MD from Rutgers Medical School and Diagnostic Radiology Training from John's Hopkins Hospital. She is certified by the American Board of Radiology and the National Board of Medical Examiners.

    Dr. Wernicki is currently in private practice at Indian River Radiology where she interprets approximately 50 body CT’s per day as well as 10 to 20 PET / CTs per day in a clinical setting for oncology evaluation and has done so since 1990. She also interprets approximately 20 to 50 musculoskeletal and body MRIs per day and is involved in clinical trials for radiographic interpretation of breast, lung, colon, pancreatic, prostate, neuroendocrine, melanoma, and sarcoma studies, with clinical trials since 2000.

    Litigation Support - Dr. Wernicki provides litigation support services to attorneys representing both Plaintiff and Defense. Her services include medical legal and radiology film and case reviews for deposition and trial testimony.

    With over 10 years of Teleradiology experience, Dr. Wernicki has the experience and training to provide accurate and timely case turnaround. Images and reports are available through a secure, HIPAA compliant network. Dr. Wernicki specializes in:
    • Musculoskeletal MRI
    • Body Imaging
    • PET
  • Oncology
  • Cross-Sectional Imaging / MRI
  • CT
  • View Dr. Wernicki's Consulting Profile.
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    Nancy M. Major, MD
    1260 Norwood Avenue
    Boulder CO 80304
    USA
    phone: 267-254-5412
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    Nancy M. Major, MD, has been a board certified, fellowship trained Musculoskeletal Radiologist for 20 years, having spent nearly all in an academic position. Dr. Major's area of research interest is musculoskeletal imaging with a concentration in sports related injuries, musculoskeletal tumors, and biomechanics associated with injuries.

    Dr. Major completed radiology residency at UCSF and musculoskeletal (MSK) fellowship training at Duke University where she remained on faculty for 13 years. While there, she taught residents, fellows, med students and an undergraduate class (Radiology of Sports Injuries). Dr. Major then moved on to the University of Pennsylvania to become the chief of MSK radiology. After a couple of years, she chose to look more at the business side of practice and worked with a 25 person orthopedic specialty group in Allentown, PA as their radiologist.

    Dr. Nancy Major at RSNA


    Litigation Support - Dr. Major has provided expert witness services for approximately 13 years in cases involving X-rays, Orthopedic Surgeons, and Radiologists. Her services are available to counsel for both Plaintiff and Defense. Dr. Major is a well-published author and has had experience with numerous depositions and court appearances. She has been deposed over 100 times and testified over a dozen times.

    View Dr. Major's Consulting Profile.
    Nancy M. Major, MD, et al
    In this book, the authors present Netter's beautiful and instructive paintings and illustrated cross sections created in the Netter style side-by-side with high-quality patient MR images created with commonly used pulse sequences to help you visualize the anatomy section by section. With in-depth coverage and concise descriptive text for at-a-glance information and access to correlated images online, this atlas is a comprehensive reference that's ideal for today's busy imaging specialists.
    Nancy M. Major, MD, et al
    Whether you are a resident, practicing radiologist, or new fellow, this authoritative resource offers expert guidance on all the essential information you need to approach musculoskeletal MRI and recognize abnormalities. The updated second edition features new illustrations to include the latest protocols as well as images obtained with 3 Tesla (T) MRI.
    Nancy M. Major, MD, et al
    This lavishly illustrated book is a perfect introduction to the exciting field of radiology. A lively, easy-to-read writing style explores the diagnostic imaging issues associated with each body region. Extensive tables, color-coded key points, and detailed drawings make finding essential information a snap. Case studies and high- resolution images demonstrate radiologic principles and characteristic findings for a wide range of disease entities.
    Nancy M. Major, MD, et al
    A favorite of radiology residents and practitioners alike, this book makes it remarkably simple to learn how to perform and interpret CT scans. The completely revised and updated 3rd Edition covers the most recent advances in CT technique, including the use of multislice CT to diagnose chest, abdominal, and musculoskeletal abnormalities, as well as the expanded role of 3D CT and CT angiography in clinical practice.
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    Rhonda Grallnick, R.N., B.S.N.
    President
    790 Penllyn Pike
    Suite 105
    Blue Bell PA 19422
    USA
    phone: 800-666-7045 or 800-355-1329/610-941-3980
    fax: 215-653-7382

    Medical Advisors Technical Network

    Since 1983, Medical Advisors, Inc. / Technical Network Consulting Service has assisted in the selection of experts in several thousand cases. Working with plaintiff and defense bar, we have provided opinions and testimony which have resulted in competent preparation and in-court support for cases involving scientific, technical, engineering matters as well as medical malpractice, hospital negligence, personal injury, workers’ compensation, product liability and nursing homes. A detailed telephone consultation explores all aspects of your case. This simplifies the job of finding the right expert.
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    Randall M. Raziano, MD, MS
    236 S 3rd St. #245
    Montrose CO 81401-3618
    USA
    phone: 970-765-0532
    fax: 970-550-7768
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    Randall M. Raziano, MD, MS, is Board Certified in Diagnostic Radiology and Subspecialty Certified in Vascular and Interventional Radiology. Dr. Raziano has over 15 years of private and academic experience in Diagnostic Radiology. He is a full-time practicing radiologist, capable in all sub-specialties including Mammography, MRI, Ultrasound, CT, and Interventional Radiology.

    Dr. Raziano is Vice Chief of Staff, serves on the Peer Review Oversight Committee, and previously held an academic appointment at the University of Colorado. He is licensed to practice in Colorado, Florida, Georgia, New Mexico, North Carolina, and Texas.

    With both Bachelors and Masters degrees in Biomedical Engineering from Duke University, Dr. Raziano has received several academic awards, obtained research grants, and published refereed papers in medical literature.

    Dr. Raziano currently serves on Montrose Memorial Hospital's Peer Review Oversight Committee, Medical Executive Committee, and a number of other boards to provide direction to the medical staff with regard to quality, safety, and standard of care.

    Dr. Raziano has a strong scientific background and can present complex cases in a clear concise manner.

    Dr. Raziano provides expert, unbiased testimony in the evaluation of:
    • Chronicity of Disease
    • Injury Causation
    • Radiologic Interpretation
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    Laura Burchell-Henson
    LNC, RN, Respiratory Therapist
    P.O. Box 1229
    Lakeside CA 92040
    USA
    phone: 619-749-5476
    fax: 619-749-5185
    Laura Burchell-Henson is a Legal Nurse Consultant (LNC) with over 24 years combined experience in Nursing and Respiratory Therapy. Ms. Burchell-Henson has been retained in more than 600 medical related cases which includes testimony 150 times in either depositions, trial, arbitration, mediation or hearings. Ms. Burchell-Henson's Expertise Includes ICU, ER, nurse supervisor, interventional radiology, trauma, surgery, med-surg, Home Care, Nursing Home, decubitus ulcer prevention, fall prevention, IV therapy,policies & procedures & an active participant during JCAHO & DHS on-site visits. Identifies standards of care, life care plans, time-lined reports, locate experts, identify tampering of medical records, medical records review, identify cauation/damages, client interview & physical assessment.
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    Marc F. Glickstein, MD, FACR
    6110 N. Ocean Blvd
    Ocean Ridge FL 33435
    USA
    phone: 860-604-6955
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    Marc Glickstein, MD, FACR, is a partner in a large private practice radiology group, on the senior medical staff of 8 area hospitals, and an assistant clinical professor of Radiology at University of CT School of Medicine. He has over 27 years of active clinical involvement in Neuroradiology, as well as General Radiology including MRI, Mammography, CT, and Ultrasound.

    Dr. Glickstein is a Fellow of The American College of Radiology and a Past President and Officer of The Radiology Society of CT. He is the author of over 25 peer-reviewed articles.

    Dr. Glickstein offers litigation support services to attorneys for both Plaintiff and Defense. He has testified as a medico-legal expert over 20 times in the past five years. With his medical background and experience in photography, Dr. Glickstein specializes in providing Medical Demonstrative Evidence to attorneys in personal injury and medical malpractice cases.

    Areas of Expertise:
    • Diagnostic Radiology
    • MRI
    • CT & CAT Scan
    • Ultrasound
    • Mammography
    • Musculoskeletal Radiology
    • Neuroradiology
  • General Radiology
  • Medical Imaging
  • Demonstrative Evidence - medical
  • Computed Tomography
  • Legal Medicine
  • Spine Radiology
  • Personal Injury Evaluation
  • Education: MD, Yale University School of Medicine; University of Pennsylvania; Yale-New Haven Hospital; BA, Brandeis University.

    View Dr. Glickstein's Consulting Profile
    12/4/2013 · Radiology
    Radiology is a critical component of most medical care. As a consequence of this, legal cases in which individuals are claiming injuries will frequently have imaging studies as a central aspect of the record. Demonstrative evidence can be used as an important instrument in helping to lay the proper foundation for creating a compelling and memorable argument in the presentation of a legal case

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    Administrator
    6555 Coyle Avenue, Suite 235
    Carmichael CA 95608
    USA
    phone: 800-403-1647 or 916-863-7301
    fax: 916-863-7206
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    MRK Medical Consultants provides Medical-Legal Evaluations to help legal and insurance professionals reach appropriate conclusions about their client's situations. MRK provides a wide array of medical experts that offer objective review and analysis of personal injuries. Each stage of the process—research to review, analysis to opinion—is addressed in a comprehensive manner in order to help legal and insurance professionals reach appropriate conclusions about their client’s situations. MRK has over forty board certified physician specialists and many with subspecialty certifications. MRK provides physician experts to the entire State of California, the Reno/Lake Tahoe area and Las Vegas, and we travel to many areas of the United States. Physical therapy, registered nurses, physician assistant and billing review consultants are available services MRK provides. Oncall MD's in office daily to discuss your needs if you are unsure of what expert you need.

    Dr. Edward YoungerEdward W. Younger, III, M.D., Medical Director of MRK Medical Consultants, specializes in Orthopedic Surgery. He has extensive experience in total joint replacement, as well as reconstructive surgery of the knee, hip and shoulder. He was instrumental in bringing computer navigation technology to his hospital. He has served on the orthopedic trauma staff at Mercy San Juan Medical Center and serves on the Medical Executive Committee at Mercy San Juan. He is a member of Alpha Omega Alpha National Honor Society and is a Diplomate of the American Board of Orthopedic Surgery, a member of the American Medical Association, the American Academy of Orthopedic Surgeons and the California Orthopedic Association.


    Dr. Michael KleinDr. Michael R. Klein, Jr., M.D., specializes in Orthopedic Surgery and is a founding member and the first Medical Director of Northern California Orthopedic Centers. He is a senior member of the medical staff at Mercy San Juan Medical Center and was involved with the development of the orthopedic section of the Level II Trauma Center.

    Dr. Klein is a clinical instructor at University of California, Davis, Medical Center, a Fellow of the American College of Surgeons and American Academy of Orthopedic Surgeons and a member of the American Medical Association and the California Medical Association.

    MRK's Areas of Expertise:
  • Orthopedics
  • Neurosurgery / Neurology
  • Rheumatology
  • General surgery / trauma
  • Emergency Medicine
  • Internal Medicine
  • Cardiology
  • Geriatrics
  • Sports Medicine
  • RN
  • Physical Therapy
  • Chiropractic Orthopedics
  • Neuropsychology
  • Podiatry
  • Vascular Surgery
  • Family Practice Anesthesiology
  • Ophthalmology
  • Optometry
  • Urology
  • Gastroenterology
  • Infectious Disease
  • Pulmonary Medicine
  • Critical care
  • Otolaryngology
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    Thomas Ptak, MD, PhD
    Available Nationally
    1206 Virginia Ct. N.E.
    Atlanta GA 30306
    USA
    phone: 617-584-5275
    Thomas Ptak, MD, PhD is an Emergency Radiologist, board certified in both Diagnostic Radiology and Neuroradiology, and a Fellow of the American Society of Emergency Radiology. He also earned a PhD in Nuclear and Radiochemistry from the Rensselaer Polytechnic Institute and an MPH in Public Health from Harvard School of Public Health.

    Dr. Ptak maintains an active practice as an emergency neuroradiologist in a busy urban academic medical center emergency department in Atlanta, GA. He offers all radiological services and interpretation including radiography, CT, ultrasound, MRI, and limited intervention.

    Litigation Support - Dr. Ptak has been providing litigation review services since 2003. He provides a fair, accurate, and complete review of diagnostic imaging and imaging services in all cases, with an emphasis on those involving trauma and acute presentation, especially of the Brain and Spine. Dr. Ptak's services, available to attorneys representing both Plaintiff and Defense, include consulting, medical record review, and imaging review. His expert services are available nation-wide.

    View Dr. Ptak's Consulting Profile.
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    Michael S. Gossman, MS, DABR, FAAPM
    Chief Medical Physicist & RSO
    Regulation Directive Medical Physics
    104 Hildeen Court
    Russell KY 41169
    USA
    phone: 606-232-9283 (cell)
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    COMPANY DESCRIPTION:
    • Expert Witness - Medical malpractice, misadministration, medical event (Radiation Oncology, Radiology, Nuclear Medicine)
    • Expert Witness - Radiation exposure, radiation dose, radioactivity and radiobiological calculations
    • Expert Witness – Patent infringement (intellectual property all categories)
    • Expert Witness – Medical physics, supervision of (medical physicist, dosimetrist, radiation therapist, radiologic technologist)
    • Expert Witness - Termination of employment
    Michael Gossman Medical Physicist Expert PhotoMichael S. Gossman, M.S., DABR, FAAPM, is a Board Certified Qualified Expert Medical Physicist, an honorary Fellow of the American Association of Physicists in Medicine (AAPM), and currently the Chief Medical Physicist & Radiation Safety Officer (RSO) in Radiation Oncology at Tri-State Regional Cancer Center in Ashland, KY.

    Chief Gossman is extra-professionally an Accreditation Site Reviewer for the American College of Radiation Oncology (ACRO) and the American College of Radiology (ACR), was a 2-term Ohio River Valley Chapter President of the AAPM, and formerly a Graduate School Professor of Clinical Medical Physics at Wright State University. He is the highest ranking scientist in medicine and has been in the field for 17 years.

    Chief Gossman's expertise involves the safe, effective and precise delivery of radiation to achieve the therapeutic result prescribed in patient care by radiation oncologists striving to treat cancer patients with particle accelerators and radioactive material. Extra-professionally, he is retired as the Interim Editor-in-Chief and Editorial Board Member for the Medical Dosimetry Journal, Editorial Board Member for the Journal of Applied Clinical Medical Physics, and served four years as a Medical Consultant to the U.S. Nuclear Regulatory Commission.

    Chief Gossman is directly and ultimately responsible for all technical and scientific aspects of cancer treatment. He directly supervises and oversees efforts from staff medical physicists, dosimetrists, radiation therapists and x-ray technologists. As an expert in radiation detector measurements, particle accelerator and radioactive material calibrations, and radioactive material handling, Mr. Gossman is a highly respected medical physicist by medical physicists nationally. He is also the owner of the Radiation Oncology Medical Physics consulting company Regulation Directive Medical Physics, LLC and employed extraprofessionally as a Senior Managing Scientist at Exponent, Inc. for medical device testing and expert witness efforts.

    Services Provided:
    • Medical expert witness
    • Medical consultant
    • Legal consultant
    • Review of: medical event, malpractice, and misadministration
    • Regulatory compliance
    • Investigation and audits
    • Independent medical evaluation of the probable deterministic effects of radiation exposures
    • Facility practice vs. standards review
    • Accreditation preparation
    • Shielding calculations
    • Accelerator acceptance testing & commissioning
    • Quality assurance
    • Peer review of the Chief Medical Physicist
    • Radiation measurements
    • Radiation calculations
    • Radiation safety
    • Dose determination
    • Calibration of medical accelerators
    • Treatment planning
    • Calculation of time and dose for treatment
    • Handling, shipping, receiving, and storing radioactive material
    • Calibrating radioactive material
    • Regulatory compliance
    • Interpretation of bioassay results and other data related to radiation exposure
    • Calculation of internal and external radiation doses, as necessary
    Regulation Directive Medical Physics
    104 Hildeen Court
    Russell, Kentucky, 41169
    Telephone: 606-232-9283
    Website: http://www.rdmpllc.com
    Tri-State Regional Cancer Center
    Department of Radiation Oncology
    706 23rd Street
    Ashland, KY 41101
    Telephone: 606-232-9283
    8/6/2013 · Medical
    Cochlear implants, via direct electrical stimulation of the auditory nerve, allow the restoration of hearing and speech recognition in both adults and children having sensorineural deafness. These devices typically contain both extemal components (speech processor, microphone, transmitter) and intemal components (including the cochlear stimulator and electrode array), which are surgically placed under the skin behind the ear and in the cochlea.

    7/18/2013 · Radiology
    Inadequate research exists regarding testing of a ventricular assist device (VAD) for susceptibility to radiation damage. Specifically, minimal data are available to radiation oncologists prescribing treatment plans for patients with an implanted VAD. As the number of implanted devices increases, patients requiring radiation at tissue sites near or at the device will increase.

    6/28/2013 · Medical
    Improved outcomes and quality of life of heart failure patients have been reported with the use of left ventricular assist devices (LVADs).

    1/8/2013 · Radiology
    New research shows the effects of electron beams on implanted vascular access ports composed of plastic, determining how they impair the fluence of radiation around them.

    10/23/2012 · Radiology
    Abstract. Object: Where no society-based or manufacturer guidance on radiation limits to neuromodulation devices is available, this research provides the groundwork for neurosurgeons and radiation oncologists who rely on the computerized treatment plan clinically for cancer patients.

    7/25/2012 · Medical Physics
    Abstract-The medical community is advocating for progressive improvement in the design of implantable cardioverter-defibrillators and implantable pacemakers to accommodate elevations in dose limitation criteria.

    5/14/2012 · Radiology
    Since the first commercial multichannel cochlear implant was marketed by Cochlear in 1985 (1), use of the device has grown exponentially. As of mid-2010, more than 188,000 people worldwide have received a cochlear implant system (2). Recent developments in the manufacturing of cochlear implants by the market leader, Cochlear Limited (based in Australia), have resulted in an aim to provide electronically stable models (3).

    3/13/2012 · Medical Physics
    We detail, derive and correct the technical use of the solid angle variable identified in formal guidance that relates skyshine calculations to dose-equivalent rate.

    12/5/2011 · Radiology
    Abstract -- In order to determine a mouse's dose accurately and prior to engaging in live mouse radiobiological research, a tissue-equivalent tumor-bearing phantom mouse was constructed and bored to accommodate detectors. Comparisons were made among four different types of radiation detectors, each inserted into the mouse phantom for radiation measurement under a 6 MV linear accelerator beam.

    9/9/2011 · Radiology
    Skyshine radiation emanating from medical accelerator facilities is a phenomenon not well understood.

    7/22/2011 · Medical Physics
    In the process of radiation oncology department accreditation, surveyors pay close attention to continuous quality improvement in the clinical section.

    1/3/2010 · Medical Physics
    As promulgated by the Nuclear Regulatory Commission, packaging regulations for radioactive material are confusing (e.g., “activity” vs “contained” activity vs “total” activity). As a consequence, medical physicists are forced to secondguess the intent of the regulations.

    1/2/2010 · Medical Physics
    Recent improvements to the functionality and stability of implantable pacemakers and cardioverter-defibrillators involve changes that include efficient battery power consumption and radiation hardened electrical circuits. Manufacturers have also pursued MRI-compatibility for these devices

    12/31/2009 · Medical Physics
    Vascular access ports are used widely in the administering of drugs for radiation oncology patients. Their dosimetric effect on radiation therapy delivery in photon beams has not been rigorously established. In this work, the effects on external beam fields when any of a variety of vascular access ports were included in the path of a high energy beam are studied. This study specifically identifies sidescatter and backscatter consequences as well as attenuation effects.

    Edited by Oliver Vonend & Siegfried Eckert
    Michael Gossman is the author of Chapter 9: Clinical Concerns For and Strategies With Pacemakers in Radiation Oncology
    Authors: Todd Pawlicki, et al; Editors; Michael Gossman (Ch. 19), et al
    This comprehensive work highlights benefits of quality techniques, approaches to implementation, and guidelines for specific quality assurance steps related to equipment and procedures used in radiotherapy. After an overview of manufacturing and engineering techniques, the text addresses quality and safety issues in radiotherapy from both the physician and physicist viewpoints.
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