Medical Quality Assurance Expert Witnesses

Michael Blumenkrantz, MD, FACP, FACN, CNSP, dFASN has over 40 years of experience specializing in Internal Medicine and Nephrology. Dr. Blumenkrantz is an internationally recognized expert in Internal Medicine, Dialysis, Kidney Disease, Total Parenteral Nutrition, and Nutrition. Achieving the rank of Associate Professor of Medicine (in residence) at UCLA, he has been in private practice for the past 30 years. Dr. Blumenkrantz is a Distinguished Fellow of the American Society of Nephrology.

Litigation Support - Dr. Blumenkrantz has been offering litigation support services to counsel representing both Plaintiff and Defense for 15 years. Approximately 40% of his cases involve renal issues and the remainder are in the field of internal medicine. Dr. Blumenkrantz has been involved in 350 cases in the past 15 years and has been deposed approximately 120 times. He has testified at 30 trials and arbitrations.

Areas of Expertise:

Internal Medicine Dialysis Hemodialysis Peritoneal CAPD Kidney Disease Obesity Nutrition Support

Total Parenteral Nutrition (TPN) Critical Care Hypertension Long Term Geriatric Care Medical / Legal Quality Assurance Personal Injury Medical Malpractice

View Dr. Blumenkrantz's Consulting Profile.

Anthony C Chang, MD, MBA, MPH, MS is internationally recognized as an expert in the field of Pediatric Cardiology. Dr. Chang has 30 years of experience and special expertise in Congenital Heart Disease and Perioperative Care as well as Cardiomyopathy and Sudden Death in pediatric patients. Dr. Chang has a master’s degree in Healthcare Administration from University of Miami School of Business and a master's degree in Biomedical Data Science from Stanford University. He also has a master’s degree in Public Health from UCLA, from which he graduated with the Dean’s Award for academic excellence. 

Doctor Chang - Being A Doctor

Dr. Chang has been offering litigation support services to the legal community for many years. His expertise is available to attorneys for both Plaintiff and Defense. Dr. Chang has been deposed and/or testified over 200 times since 1990. Areas of Specialization:

Congenital Heart Disease Cardiac Surgery Sudden Death Cardiac Intensive Care Heart Failure

Postoperative Care Pulmonary Hypertension Public Health Sports Medicine Artificial Intelligence in Medicine

A world-renown leader in pediatric cardiology innovation, Dr. Chang is a member of the grant review committee for pediatric research at the National Institutes of Health. Respected in his field, Dr. Chang is a member the board of directors for the American Heart Association. Providing leadership in education, he has served with the faculty of UCLA School of Public Health (eMPH program) and has taught global health for UCLA’s eMPH. He also teaches pediatric cardiology to cardiology fellows and holds a volunteer faculty appointment at the UCLA School of Medicine. 

A prolific author, Dr. Chang is the chief editor of the textbook Pediatric Cardiac Intensive Care and the past president-elect of the Pediatric Cardiac Intensive Care Society (PCICS). He is the chief editor of the textbook Heart Failure in Children and Young Adults. He is a regular reviewer for “Circulation,” “Pediatric Critical Care Medicine,” “Critical Care Medicine,” and numerous other journals. Dr. Chang has been voted “Physician of Excellence” by the Orange County Medical Association and also selected as one of America’s “Top Doctors,” “Top Pediatricians,” and “Best Cardiologists” by several organizations. 

View Dr. Chang's Consulting Profile.

Lori S. Corley MD, FAAP, is Board Certified in Pediatric and Adolescent Medicine. Also certified in Basic Life Support (BLS) and Neonatal Resuscitation Program (NRP), she provides comprehensive medical care for infants, children, and adolescents, acting as their primary care physician. Employment Experience

• Consultant / Expert Witness for Medical Malpractice cases - Case list available on request (2004-present)
• Clinical Assistant Professor of Pediatrics, Georgia Health Sciences University /Medical College of Georgia (2002-present)
• Adjunct Professor, MSN Primary Care Nurse Practitioner Program, Kennesaw State University (2001-present)

Dr. Corley provides litigation support services to attorneys representing Plaintiff and Defense. She is available to review medical records, give depositions, and trial testimony for cases that include issues of causation, quality control, and standard of care. Areas of Expertise:

• Pediatric Medicine - General infections and illnesses (fevers, sore throats, ear infections, etc.) and minor injuries, as well as some diseases (septic shock), emotional stressors in children that may lead to psychiatric or mental health complications, including developmental and anxiety disorders, behavioral problems and functional complications
• Adolescent Medicine - Sexually transmitted diseases (STDs), substance abuse, obesity, eating disorders, mental illnesses (ADHD), acne, pregnancy, birth control programs, menstrual disorders, problems with puberty, among many other conditions and disorders

John J. Dougherty, MD, FACOG, MBA, is Board Certified in Gynecology and Obstetrics. He specializes in High Risk Obstetrics and Minimally Invasive Surgery.

Dr. Dougherty completed his residency training in general OB / GYN at Monmouth Medical Center in Long Branch, NJ. Monmouth provided expansive experience in general and in high risk ob/gyn. Dr. Dougherty also received a very high volume of pelvic surgery training.

From residency, Dr. Dougherty joined 2 private group practices, one in Virginia, followed by another in Pennsylvania, and practiced as a general OB / GYN. Within each group, I focused mainly on high risk obstetrics and minimally invasive surgery.

After 12 years in private practice, Dr. Dougherty transitioned to academic medicine and became heavily involved with healthcare administration activities. He obtained his MBA from Lehigh University and took the lead on a variety of healthcare related projects. As associate residency program director of an OB/GYN residency, he is able to maintain his clinical skills while broadening his healthcare administrative experiences.

Dr. Dougherty has been a Fellow of the American Congress of OB/GYN since 2003. He serves as a representative of the Professional Practice Evaluation Committee and is Patient Quality and Safety Committee Chair.

Litigation Support - John J. Dougherty provides expert witness services to counsel representing both plaintiff and defendant. His services include written reports, depositions, and trial testimony as needed.

Areas of Expertise:

• High Risk Obstetrics
• Minimally Invasive Surgery
• Pelvic Surgery
• Gynecologic Cancer
• Routine Obstetrics

Sasha M. Demos, MD, PhD, is a Board Certified Anesthesiologist and Chairman of the Department of Anesthesia at Edward Hospital in the Chicago area. With a PhD in Biomedical Engineering from the University of Illinois at Chicago, she focused on the areas of Drug Delivery Systems and Ultrasonic Imaging.

Prior to her appointment as Chair, Dr. Demos served as Director of Obstetrical Anesthesia and was a member of the pediatric anesthesia team for many years. She has authored multiple manuscripts in the areas of liposomes, ultrasound contrast agents, and targeted therapies, and has a patent for her research and development of Acoustically Reflective Liposomes for Tissue Specific Ultrasonic Enhancement. She currently holds an appointment as Adjunct Professor of Bioengineering at the University of Illinois at Chicago.

Litigation Support - Dr. Demos provides expert witness services to attorneys representing both Plaintiff and Defendant. Her services include medical record review, reports, depositions, and trial testimony when necessary.

Areas of Expertise:

Airway Management Failed Intubation Epidural and Spinal Anesthesia Obstetrical Anesthesia General Anesthesia Regional Anesthesia

Ambulatory Anesthesia Surgical Fires Drug Errors Positioning Injuries Intraoperative and Postoperative Complications Sedation Complications Outside of the OR

View Dr. Demos' Consulting Profile.

EXPERTISE IN: 1. The pathobiology, clinico-pathologic correlation, and histopathologic diagnosis of: diseases of the esophagus, stomach, small intestine, colon, rectum, anus, liver, and pancreas. 2. Human neoplasms (cancer) and preneoplastic conditions. 3. Establishing standard of care, causation and cause of death. 

BACKGROUND: 1. Anatomic Pathology Residency: Washington Univ-Barnes Hospital 1991-94. 2. Oncologic Pathology Fellowship: M.D. Anderson Cancer Center 1994-95. 3. Gastrointestinal and Liver Pathology Fellowship: Harvard-Brigham & Womens Hospital 1995-96. 4. Instructor at Harvard Medical School: 1996-1998. 5. Assistant Professor and Director of Gastrointestinal Pathology Division at Univ. of Texas Health Science Center-Hermann Hospital, Houston Medical Center: 08/1998 - 12/2000. 6. Staff GI Pathologist and Quality Assurance Director at Caris/Miraca Life Sciences, Dallas TX: 01/2001 - 04/2012. 7. Staff Pathologist, Anatomic Pathology Division of the North Shore-LIJ Health System, Long Island NY: 05/2013 - 05/2015. 8. Staff Pathologist, Anatomic Pathology Division of Alliance Health Sciences, Dallas TX: 01/2016 - present. 9. Sole Proprietor of Expert Pathology Consultation Services Laboratory since 01/2001.         

Dr. Torres was instrumental in creating a rather unique model of Gastrointestinal Pathology subspecialty-focused laboratory, that during his 12 yrs tenure became one of the largest private national Anatomic Pathology laboratories-Caris/Miraca Life Sciences.

David Clay Griffin, RPh, has over 30 years of experience in Retail and Community Pharmacies and still actively working as a pharmacist and pharmacy manager. Well-versed in practice standards and pharmacy operations, including controlled substance laws and policies, as well as financials, inventory, sales. Throughout his Pharmacy Management career, Mr. Griffin also served as a pharmacist for the United States Department of Health and Human Services in Dallas, Texas (2002/2017). He worked with the Texas 4 Disaster Medical Assistance Team and was the Pharmacy Unit Leader with NDMS over several missions. Mr. Griffin consults and serves as a pharmacy expert witness for attorneys representing both plaintiff and defense. His services include medical record review, thorough reports, depositions, and trial testimony. Areas of Expertise:

Pharmacy Practice Standards Retail Pharmacies Community / Independent Pharmacies Drug / Medication Errors Pharmacy Drug Interactions Medication Overdose and Under-dose Medication Interaction / Drug Utilization Review

Pharmaceuticals Adverse Reactions Pharmacy Safety and Counseling Pharmacist Duty to Warn Pharmacy Operation Staff Supervision and Training Controlled Substance Laws and Policies DUI / DWI

Mark A. Smith, MD, MBA, FACS, FACHE, CPHQ, is an independent senior Healthcare Consultant and a Practicing Vascular Surgeon as a Clinical Assistant Professor of Surgery at the University of California, Irvine.

Dr. Smith previously served as the Chief Medical Officer with Morrisey Associates Inc/ Morcare LLC for six years. He is a member of HG Healthcare Consultants LLC. Dr. Smith brings over 30 years of clinical practice and hospital management experiences to his work with physicians and hospitals across the United States. He is Board Certified in Vascular Surgery and is a Fellow of the American College of Surgeons, the American College of Healthcare Executives. He is a member of the American College of Physician Executives, the Society for Vascular Surgery and the Southern California Vascular Surgical Society.

Litigation Support - Dr. Smith provides expert witness services to attorneys representing plaintiff and defendant. His decades of clinical practice as a surgeon and multiple roles in senior hospital administration to his work on peer review, credentialing, ED call, and other matters involving physicians and hospitals across the United States. He has testified several times in the past 5 years.

Areas of Expertise:

Physician Credentialing Physician Peer Review Negligent Credentialing Negligent Peer Review Patient Safety Healthcare Quality

Performance Improvement Fair / Judicial Hearings Medical Staff Affairs Medical Conflicts of Interest Physician Integration / Alignment Physician Conduct

View Dr. Smith's Consulting Profile.

Kimberly A. Baldwin-Stried-Reich, MBA, MJ, PBCI, CPHIMS, RHIA, CEDS, CPHQ, FAHIMA, has over 30 years of experience in a variety of healthcare settings. She specializes in Healthcare Informatics and HIPAA Compliance.

Ms. Reich holds a Master’s of Business (MBA) from the Lake Forest Graduate School of Management, a Master’s of Jurisprudence (MJ) in Health Law and Policy from the Loyola School of Law - Beazley Institute for Health Law and Policy in Chicago, IL and a Post Baccalaureate in Clinical Informatics (PBCI) from the Johns Hopkins School of Medicine Clinical Informatics Certificate Program.  She is the first Registered Health Information Administrator (RHIA) to complete the Johns Hopkins Division of Health Sciences Informatics Certificate Program and certification in EDiscovery. She is the lead author of the 2012 AHIMA publication E-Discovery and Electronic Records, a first of its kind healthcare e-discovery resources. 

Ms. Reich maintains active membership and participates in The Sedona Conference® for Privacy & Security & Electronic Records Production, American Health Information Management Association (AHIMA), American Medical Informatics (AMIA), Healthcare Compliance Association (HCCA), Society for Corporate Compliance & Ethics (SCCE), Society for Participatory Medicine (SPM), American Society for Healthcare Risk Management (ASHRM), Information Governance Initiative (IGI) and Greater Chicago Health Information Management Systems Society (GCCHIMSS).

Litigation Support - Ms. Reich is an expert witness for both defense and plaintiff legal counsel in matters involving HIPAA, e-discovery, and Electronic Health Records Systems fraud and abuse. Her services include thorough report preparation, depositions, and trial testimony. 

Areas of Expertise:

Electronic Health Records (EHRs) Electronic Medical Records (EMRs) Healthcare Compliance Healthcare EDiscovery / Electronic Data Discovery Health Insurance Portability and Accountability Act (HIPAA) Health Insurance Healthcare Fraud and Abuse

Healthcare Privacy and Security Healthcare Risk Management  Healthcare Quality Improvement Joint Commission Accreditation National Committee Quality Assurance (NCQA) Information Governance (IG) Clinical Documentation

View Kimberly Reich's Consulting Profile.

Andrew Lawson, MD, is a Stanford trained, board certified Emergency Medicine Specialist. He works full time in a high volume regional adult & children’s medical and trauma center that sees over 60,000 patient visits per year. As a Quality Assurance Director for 20 years, Dr. Lawson has personally reviewed thousands of cases.  Dr. Lawson is uniquely qualified to comment on Standard of Care Issues in Emergency Medicine. He has developed expertise in reviewing medical records for quality improvements and for reducing medical-legal pitfalls in his group’s medical practice. As an Expert Witness, he has developed the skills to provide thorough research and background information, pros and cons to the case, precise timelines, and the highest quality consultation, chart review, and testimony for any situation. His unique teaching methods and presentation skills transform difficult, complex, and diverse topics into easy to understand information for jury members and other laypersons. Areas of Expertise include:

• Emergency Medical Services (EMS)
• Emergency Medicine
• Pediatric Emergency Medicine
• Critical Care Issues
• Medical Case Review
• Pre-hospital Care
• Quality Assurance

Glenda E. Flemister, MD, FACP, FCCP, is Board Certified in Internal Medicine, Pulmonary Medicine, and Critical Care Medicine. Dr. Flemister has over 30 years of experience in her field. She received her MD from Loyola University Chicago Stritch School of Medicine and is licensed to practice in Illinois, Kentucky, New Mexico, and Oklahoma.

Dr. Flemister has over 10 years of experience in national insurance and payer companies. She has served as Medical Director for Aetna, Blue Cross Blue Shield Association, and Next Level Health Partners. She is currently the Executive Medical Director for Medical Health Solutions, a company involved in predicting trends to optimize healthcare at an affordable and sustainable rate. In this capacity, she provides education, consultation, and resources to the medical industry, medical providers, and managed care organizations.

Litigation Support - Dr. Flemister has been providing medical legal chart review, depositions, and trial testimony to the legal community since 1994. Her cases involve Pulmonary and Critical Care medical issues. She has performed over 100 file reviews. Her services are available to counsel representing both plaintiff and defendant, private hospitals, ISMIE (Illinois State Medical Inter-Insurance Exchange), and the AMA. Dr. Flemister's cases involve:

Pulmonary Medicine / Disease Critical Care Medicine Internal Medicine Pulmonary Medical Malpractice Pulmonary Care Quality Assurance

Thoracic Surgery Transplant Issues Asthma Obstructive Lung Disease Medical Devices

View Dr. Flemister's Consulting Profile.

William (Bill) C. Mohlenbrock, MD, FACS, has practiced General Orthopedics and Trauma Care, including total joint and arthroscopy surgeries and sports medicine and related injuries for many years at Scripps Memorial Hospital in La Jolla, California. He is senior physician in a group of 8 orthopedic surgeons and 2 Physician Assistants.

In addition to orthopedic experience, Dr. Mohlenbrock is a nationally recognized expert in the objective assessment of hospital medical outcomes, Clinical Quality and Cost Efficiencies for inpatient care. He has consulted for hospitals who have found themselves in potential legal situations where the quality of their clinical care has been called into question.

Dr. Mohlenbrock received his BS degree from the University of Illinois and his MD from the St. Louis University School of Medicine. He holds fellowships in the American Academy of Orthopaedic Surgeons, American College of Surgeons and the American Association of Physician Leadership. He is a noted lecturer and has published numerous articles on measuring and improving the quality and cost efficiency of medical care.

Comprehensive Quality Data used to Defend Hospitals for Med Mal

Litigation Support - Attorneys wishing to take advantage of Dr. Mohlenbrock's orthopedic and quality assessment experience as well as his communication skills, will receive unbiased, evidence-base opinions. He assists the legal profession whose clients are either plaintiffs or defendants.

Areas of Expertise:

Orthopedic Surgery Adult Reconstructive Surgery Total Joint Surgery Scoliosis Surgery Arthroscopy Surgeries

Sports Medicine Sport-related Injuries Hospital Medical Outcome Assessments Medical Care Efficiency Medical Care Quality

View Dr. Mohlenbrock's Consulting Profile.

Georgia J. Persky RN, MBA, PhD, CLNC, CNOR is a Columbia University trained nurse researcher with over 40 years of broad Clinical Nursing experience and 25 years of senior leadership in Hospitals, Nursing Homes and Home Health organizations. She also has 20 years of Surgical Nursing and Operating Room experience. Dr. Persky has expertise in the micro issues in nursing for adult patient care and the broad management, quality, and regulatory issues in hospitals. 

Background Experience - Dr. Persky served as Vice-President of Nursing and Patient Care Services for the past 25 years and most recently at New York Presbyterian Hospital/Columbia University Medical Center. For nine years, she was responsible for Patient Care Services, Risk and Quality Management and Patient Satisfaction for a 750-bed academic hospital. She directed a $200 million budget with 33 patient care units and Care Management, Respiratory Therapy, Social Work and Admitting Departments with 9 direct reports and 2,000 patient care employees.

Litigation Support - As a Certified Legal Nurse Consultant and Quality Reviewer, Dr. Persky has investigated hundreds of Malpractice and Injury cases as a quality reviewer and can assist in legal case review with chronologies, timelines, and evidence-based reports. She has testifying experience in malpractice and personal injury cases, as well as, with human resource and employee discrimination with an ability to attest to standards of care in clinical litigation. Dr. Persky's services are available to attorneys for the plaintiff and defense seeking an expert in nursing and patient care with a strong understanding of how heath care organizations work.

Areas of Expertise:

Nursing/Hospital Standards of Care Nursing Home and Skilled Nursing Surgical and Perioperative Nursing Quality and Risk Management Fall and Pressure Ulcer Prevention

Hospital Policy and Procedure Medication Safety Medical Device Safety Hospital Administration State, Federal, Joint Commission Regulatory Compliance

View Dr. Persky's Consulting Profile.

Timothy A. Anderson, MS, MBA, is a former FDA Review Chemist, with over 35 years of career experience in Pharmaceutical R&D, Quality Operations, and Regulatory Affairs. A uniquely interdisciplined individual, he melds comprehensive pharmaceutical industrial R&D, business development, QA/QC, and consultancy experiences with formal FDA-tenured regulatory credentials.

As a consultant in his own pharmaceutical development advisory firm for over 23 years, Mr. Anderson has furnished clients with services ranging from providing regulatory application filing strategies specialized in Chemistry and Manufacturing Controls, to current Good Manufacturing Practice (cGMP), quality system regulation (QSR) audits for finished dosage, and active pharmaceutical ingredient (API) manufacturing, as well as for device, drug-device combination, and biologic products.  Technical and regulatory compliance due diligence services are furnished to institutional investors.  

Mr. Anderson has contributed to regulatory approvals for over 50 drug and drug / device applications, spanning generic (ANDA) and innovator NDA, BLA, 510(k), PMA, and 505(b)(2) applications, and has provided regulatory compliance remediation services to  resolve Form 483, Warning Letter, and Consent Decree issues.    

Clients have included Medtronic Ave., Allergan, Memorial Sloan-Kettering Cancer Center, Mass Biologics, MDS Pharma, US Pharmacopieia, Boehringer Ingelheim, BristolMyers Squibb, Genzyme, Intelliject/Sanofi, Church & Dwight, CR Bard/Davol, Ximedica, Fresenius-Kabi (Austria), KRS Biotechnology Ajanta, and many more

Litigation Support - Mr. Anderson has been deposed, testified in Federal Court, and functioned as a Subject Matter Expert Witness  and consultant to litigation in the Pharmaceutical, Biologic, and Device Life Sciences space, focused in areas of Anti-trust, Patent, and Product Liability.

Dr. Jeffrey Stone, DO, MPH, FCCWS, specializing in Wound Care and Hyperbaric Medicine, served as Medical and Fellowship Director for the Hyperbaric Medicine Unit at the Institute for Exercise & Environmental Medicine at Texas Health Dallas from 1992- May 2016. Dr. Stone received his medical degree from Western States University and received a Master of Public Health degree from Harvard University. Dr. Stone completed a residency in aerospace medicine at Brooks Air Force Base and a fellowship in hyperbaric medicine and Wound care at the U.S. Air Force School of Aerospace Medicine. Dr. Stone started visiting nursing facilities in the Dallas Metroplex  in the early 1990's teaching, educating and caring for individuals with chronic wounds. He is one of the first 60 physicians in the U.S. to receive his certification in Wound Care. Dr. Stone currently provides care to patients in acute care, LTAC, long term care facilities SNF and Nursing Home) and outpatient care.

Dr. Stone has been widely published in many medical journals regarding his expertise in Wound Care and Hyperbaric Medicine. He serves as an Expert Witness for Peer Reviews, Legal Reviews, and Medical Malpractice Cases.

Areas of Expertise: Wound Care and Hyperbaric Oxygen-

• Pressure Sores
• Arterial Ulcers
• Diabetic Foot Wounds
• Acute Traumatic Ischemias
• Decubitus Ulcers
• Non-Healing Wounds, Venous or Arterial or Pressure Related

View Consulting Profile.