Healthcare (General) Expert Witnesses: 28

Willeam A. Choby, DMD, MPA, MAGD, FICCMO, DICOI, has over 40 years of experience Dentistry and Oral Surgery. He is a Board Certified Implant Dentist that perfoms both the Surgery and the Restoration of Implant Teeth. A “Master” in the Academy of General Dentistry (MAGD), Dr. Choby has been recognized by other general dentists as a leader and an example to other dentists of the importance of quality continuing dental education to patient care. Masters have accepted the charge to keep abreast of advances in dentistry for the benefit of patients and the betterment of dentistry. Dr. Choby is also a Fellow in the International College of Cranio-Mandibular Orthopedics (FICCMO), earned a Masters of Public Administration (MPA), and is a Diplomate of the International Congress of Oral Implantologists (DICOI). He is recognized as One of America's Top Dentists by the Consumers Research Council of America. Litigation Support - Dr. Choby's expertise is frequently called upon for second opinions for quality assurance companies, peer review panels, workmen's compensation disputes, automobile accident claims, dental insurance companies, physicians, attorneys, and other dentists. He has offered his expert opinion in more than 100 dental malpractice cases, inspected over 1,100 dental offices for insurance companies, and performed over 1,000 second opinion case reviews, IMEs and peer reviews. His cases have included issues concerning:

View Dr. Choby's Consulting Profile.

David A.Sugar, MD, is a Board Certified Orthopaedic Surgeon. He has been in practice since 1997. Working as a general Orthopaedic Surgeon, he has treated an extremely wide array of Orthopaedic conditions and injuries.

Dr. Sugar has served as the Managing Partner in a group as large as 11 doctors and worked on the Surgical QI Committee ( currently serves as the Chairman) at the 35th largest hospital in the United States. Dr. Sugar is currently the principal surgeon at Sugar Orthopaedics where they provide surgical and non-surgical treatments for muscular and skeletal problems of all types.

Litigation Support - Dr Sugar has offered expert witness services for attorneys representing plaintiff and defendant for 20 years. His services include independent medical evaluations (IMEs), medical record review, thorough reporting, depositions, and trial testimony. Dr. Sugar's cases have a heavy emphasis on Fractures, Knee, Shoulder, Sports Medicine, and Pediatric Orthopaedics.

Areas of Expertise:

John M. Schuberth, DPM, has extensive experience in Complex Foot and Ankle Surgery. Throughout his 40 year career, he has performed over 25,000 surgical cases and over 1,500 ankle replacements. He has published extensively on a wide variety of subject involving foot and ankle surgery (128 publications) and lectured all over the world on Foot and Ankle surgery. Please refer to his most recent CV for details. 

Litigation Support - Dr. Schuberth provides expert witness services to attorneys representing plaintiff and defense. His services include medical record review, thorough reporting, depositions, and trial testimony as needed. He has been deposed/testified over 20 times since 2020.

Areas of Expertise:

Associations:

• Editor in Chief for the Journal of Foot and Surgery for 7 years and Editor in Chief of Foot and Ankle Specialist for 6 years
• Former Chair of Board- American Academy of Foot and Ankle Osteosynthesis
• Former Course Chair-AO Podiatric Course  
• Past President, American College of Foot and Ankle Surgeons 1998-1999
• Board of Directors, ACFAS, 1992-2000
• Past Chair; Outcomes Research Committee, ACFAS
• Past Chair; Clinical Research; Research Fellowships, ACFAS        
• Past Chair, Preferred Practice Guidelines; Hallux Valgus
• Past Chair, Preferred Practice Guidelines; Ankle Sprain, Instability
• Former Member Ankle/Reconstructive Rearfoot Surgery Exam Committee
• American  Board Podiatric Surgery    1992-1996
• Former Chair, ABPS Ankle / Rearfoot Reconstructive Surgery. Exam Committee, 1996-2000
• Clinical Associate Professor, Department of Surgery, California College of Podiatric Medicine 1985-2003
• Licensing Commissioner, State of California 1986-1998
• Chief Examination Advisor, Board of Medical Quality Assurance 1986-1993
• Associate Faculty, San Francisco Orthopedic Residency Program
• Former Chair, Foot and Ankle Subgroup, National Product Comm-Kaiser
• Former Chair, Local Product Committee, Kaiser San Francisco
• Former Chair, Education Committee-American Academy Foot Ankle Osteosynthesis, 2013-2019
• Nine time awardee of Attending of the Year from several residency programs
• Board Certified American Board of Foot and Ankle Surgery (1985, Current)

• Neurological Injuries (Brain and Spinal Cord Injury)
• Burns
• Orthopedic Injures
• Amputation
• Chronic Pain
• Post Traumatic Stress Disorder

• Expert Testimony
• Life Care Planning
• Mini/Preliminary Life Care Plan
• Video Services
• Medical Record Review
• RN Independent Medical Exam
• Medicare Set Aside Trust Analysis
• Medical Bill Auditing
• Questions: Deposition Cross Examining

Research & Planning Consultants, LP (RPC) has been assisting clients with expert services for over 45 years, including consulting and expert witness testimony for personal injury, healthcare litigation, commercial litigation and Certificate of Need matters. RPC also offers a wide selection of health data. They have served clients across the U.S, from Alaska to Florida and from New England to California. 

A Complete Team of Damages Experts for Personal Injury Litigation

Research & Planning Consultants, LP provides the following services: 

• PERSONAL INJURY - RPC provides comprehensive damages analysis in personal injury litigation. Their expert team has life care planners, vocational evaluators, board-certified physicians, economists and neuropsychologists. 

Areas of Expertise include: Life Care Plans, Loss of Earning Capacity or Support, Present Value of Damages, Medical Bill Analysis, Chargemaster Analysis, Neuropsychological Testing & Traumatic Brain Injury, Vocational Evaluations, IMEs, Section 18.001, Prestanding ED Chargemaster Analysis

• COMMERCIAL LITIGATION- RPC has provided expert analysis on commercial litigation concerning many industries: chemicals, refining, forestry, waste management, pipelines, water resources, oil and gas EDP, fisheries, agriculture, electrical generating plants, transmission lines, telecommunications, and real estate development. Our special expertise in the healthcare industry has proven valuable to business litigators unfamiliar with this complex industry.

Areas of Expertise: Breach of Contract / Commercial Economic Damages, Construction Disputes, Litigation over Non-Competitive Agreements, Environmental Torts and Toxic Torts, Commercial Disparagement, Wrongful Termination

• HEALTHCARE LITIGATION - RPC offers economic, statistical, data and clinical analysis in a wide range of healthcare litigation. They have experience with payment disputes, qui tam litigation, physician-hospital disputes, practice valuations and construction litigation. 

Areas of Expertise: Qui Tam Healthcare Litigation, Medical Staff Disputes, Professional Liability, Payment Disputes, Health Facility Construction Disputes, Freestanding ED Chargemester Analysis

• CERTIFICATE OF NEED - RPC provides Certificate of Need (CON) planning services nationwide. We have over 35 years of experience developing regulatory strategy, preparing applications and testifying in public and administrative hearings.

Areas of Expertise: Satellite Hospitals, New Hospitals, Relocation and Transfer of Beds, Observation Beds, Geriatric Psychiatric Units, Children’s Hospitals, Comprehensive Inpatient Rehabilitation Units, Neonatal Intensive Care Units, Open Heart Surgery Services, Long Term Acute Care Units, Projects that exceed CON Capital Threshold Limits, Projects for Specifically Listed Services, Programs Requiring CON, Hospices, Senior Living Facilities

Ronald T. Luke, JD, PhD, is a principal consultant and President of RPC, LP. Ron joined RPC in 1976 and became its president and principal owner in 1979. He has consulted on projects for health care providers, managed care plans and public agencies in more than 25 states. He also serves as an expert witness in trials, administrative proceedings and legislative hearings.

Active in the Health Policy Arena, Dr. Luke has been accepted as an expert in Economics, Socioeconomic Impact Analysis, and Policy Analysis by state and federal courts, and state administrative agencies. The types of cases in which he has provided expert testimony include personal injury, contractual disputes, health care payment disputes, construction defects, utility construction permitting, and certificate of need. He has testified on health care matters including market structure, billing fraud and abuse, reasonableness of charges, medical staff credentialing, workers’ compensation fee guidelines, utilization review, physician contracts, and managed care contracts.

Kacy L. Turner, MS, CRC, CVE, CLCP, is a Certified Life Care Planner and Vocational Consultant with RPC. She has over 20 years of experience in Rehabilitation. Ms. Turner has experience writing life care plans for both plaintiff and defense clients. She has experience as a rehabilitation consultant in three states and has been qualified as a testifying expert in state and federal court.  

Ms. Turner has worked on cases in several states as well as the country of Trinidad. To determine the pre-injury and post-injury employability in personal injury cases, she provides vocational testing, transferable skills analysis, job requirements analysis, rehabilitation plans, and definition of reasonable accommodations under the American with Disabilities Act. She is a member of the International Association of Rehabilitation Professionals, the Texas Association of Rehabilitation Professionals and Providers of Services, and Vocational Evaluation and Career Assessment Professionals.

Brian Piper, PhD,  is an Economist with RPC specializing in Quantitative Analysis and Modelling. He works on a variety of cases including personal injury and certificate of need. He is experienced in data extraction, management, simulation, and analysis using STATA, SQL, ARC GIS and a variety of other programs. Dr. Piper has taught graduate classes in statistics and econometrics in both MBA and Ph.D. programs.

Dr. Piper is an experienced expert, providing testimony, reports, and affidavits on the issues of economic damages in personal injury litigation, healthcare litigation, False Claims Act litigation, and other commercial litigation. He has testified on behalf of plaintiffs and defendants. 

Dr. Piper specializes in the economics of healthcare. He has been retained by healthcare providers and insurers in payment disputes. He has analyzed the reasonableness of charges and expected payment for past and future medical services for providers, insurers, plaintiffs, and defendants. Besides work in litigation, Dr. Piper has provided analysis of Certificate of Need applications and the economic impacts of proposed legislation.

Sina Rajamand, DO, is a General Neurosurgeon particularly skilled in minimally invasive and Complex Spine Surgery, Including percutaneous lumbar fusions, and minimally invasive brain and spine surgeries. He is affiliated with numerous prestigious medical societies such as the American Association of Neurological Surgeons and the American Osteopathic Association.

Dr. Rajamand started Carson Tahoe Medical Center’s Neurosurgery program. His duties and responsibilities include writing and revising procedures and protocols, educating other providers and nursing staff on neuro-critical care and neurosurgical pathologies. He coordinating and organizes capital expenditures for the neurosurgery service line and provides continuous consulting services to inpatient hospitalist service and Emergency Departments.

Dr. Rajamand founded Battle Born Brain and Spine to set a new standard in neurosurgical care for the Northern Nevada and Northern California community, by providing the right care at the right time for the right person in the right way.

Dr. Sina Rajamand on Brain, Spine, and Back Surgery

Litigation Support - Dr. Rajamand is uniquely equipped to provide medical expert testimony with his advanced medical training from Columbia University, Midwestern University and the Michigan State University College of Human Medicine. He specializes in microsurgery techniques for neurosurgical procedures and minimally invasive surgery.

In depositions and trials, Dr. Rajamand can serve as a medical expert witness on a wide range of spinal conditions and diseases, including:

• Brain and Spine Tumors
• Carpal Tunnel
• Compression Fractures
• Trigeminal Neuralgia
• Lumbar, Cervical, and Thoracic Spine Conditions

Dr. Pia Quimson-Guevarra is Board-Certified in Psychiatry and Forensic Psychiatry by the American Board of Psychiatry and Neurology. She opines about psychiatric issues in civil litigation, employment matters, and criminal cases. She has extensive experience with diagnosis and treatment of depression, anxiety, bipolar disorder, PTSD and other factors of emotional distress, both as a treating physician and in medical-legal cases. She serves as a forensic consultant, and/or disclosed Expert Witness. She assesses competency and undue influence,  standard of care, and mental status re judgment and clarity of thinking. Applies to civil, probate and CTST criminal matters including criminal responsibility. She is also experienced in treatment of psychotic disorders,  hallucinations, and delusions.

She opines about medication or drug impact on behavior.

Dr. Quimson-Guevarra conducts IMEs and review of medical and legal records. Her assessments are thorough and inform thoughtful and objective expert opinions issued by verbal and written report and testimony. She conducts Independent Medical Evaluations face-to-face in person and by video.

She is a Certified Forensic Evaluator in Oregon.

Dr. Quimson-Guevarra's clinical practice in Portland is Quimson Behavioral Health, providing psychiatric patient care, medication management, and psychotherapy, for patients who suffer from mental disorders, e.g., Anxiety, Depression, Bipolar Disord & PTSD and medication management. She continues to use her expertise in psychopharmacology to treat mental health conditions in the context of medicolegal medically complex cases.

Prior to expanding her private practice, she was a psychiatrist at Cascadia Behavioral Healthcare, in an Assertive Community Treatment (ACT) team, a method to deliver an intensive level of services to patients in the local community. Her patients consisted of individuals who suffer from severe and persistent mental illness.  At Cascadia, she also treated patients with a history that includes forensic medical-legal issues.

Previously, Dr. Quimson-Guevarra treated patients who suffered from anxiety, mood, and psychotic disorders at Cedar Hills Hospital, Multnomah County Detention Center, Washington County Jail, Snake River Correctional Institute, and the Portland Veteran's Administration. 

Dr. Quimson-Guevarra has served as a forensic consultant for the Washington County Mental Health Court in Oregon. She also has worked in the forensic evaluation service department at the Oregon State Hospital where she performed forensic evaluations.

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:

View Dr. Persky's Consulting Profile.

Panorama Consulting Group specializes in Enterprise Resource Planning (ERP) Systems and has multiple testifying experts for failed software litigation. This high-profile firm is called upon to investigate the feasibility of litigation, provide software expert witness testimony, and build background reporting for some of the industry’s highest-profile software lawsuits. They have worked with organizations ranging from multi-national conglomerates to boutique and large law firms, as well as state offices of the Attorney General.

As independent enterprise software experts, Panorama Consulting Group has hands-on experience with hundreds of software vendors. Their firm is not tied to a single law firm or software vendor, allowing them to focus on all types of clients and industries. 

Bill Baumann on Expert Witness Testimony

Litigation Support: The experts at Panorama Consulting Group work for both plaintiffs and defendants, software vendors and system integrators, and their customers. Their differentiator is using a team-based approach to provide expertise beyond just the testifying expert, which is cost-effective and efficient for their clients. They have multiple software expert witnesses available for provision of reports, depositions, and testimonies.

Allegations Addressed:

View Panorama Consulting Group's Consulting Profile.

Dr. Patricia J. Bartzak, DNP, RN, CMSRN, TCRN, CNRN is a skilled hospital nurse clinician with 22 years of direct nursing care of patients with infectious diseases and trauma patients, including injuries and diseases related to neurologic, cardiac, renal, renal transplant, spinal, orthopedic and acute and chronic pain and oncologic diagnoses.  Located on the east coast with current nursing licenses both in Massachusetts and California. Has reviewed more than 80 cases in 8 years, written several reports, and been deposed about a dozen times in person and video. Currently working in a hospital designated as level-1 trauma center.

Continued active contributions to the field of nursing as staff nurse, nurse researcher, professional journal column editor and leadership initiatives through active participation in professional nursing organizations.  Served 2 terms as an elected Regional Coordinator for Sigma Theta Tau, the nursing honor society. Currently, serving on the Board of Directors for the Academy of Medical-Surgical Nurses. 

Direct care experience with complex airways, cervical instability, multi-drain management, invasive monitoring, complex wounds, pain management and surgical interventions from many services: orthopedics, neurology, general surgery, thoracic, infectious disease and gastrointestinal medicine. 

Co-chaired the American Nurse's Association (ANA) Scope & Standards of Practice (4th edition, 2021), a document that guides nursing practice for the country's 4 million nurses, Chair of Nursing Research in a level-1 trauma center and Med-Surg Nurses Scope and Standards of Practice.

Nurse educator for several years from undergraduate through the doctoral level including clinical rotations.

Column writer for Nursing Evidence-Based Practice column, having published dozens of articles on safe bedside nursing care. Peer reviewer for the Journal of Trauma Nursing.

Served as a nurse voting members of an Institutional Review Board (IRB) with current Collaborative Institutional Training (CITI) certification.

Professional nursing certifications in medical-surgical nursing, trauma nursing, neuroscience nursing and telemetry. 

View Dr. Bartzak's Consulting Profile.

Jennifer Nulton, OTR/L, CHT, CLT, CEAS, is an Occupational Therapist with over 23 years in practice. Ms. Nulton has provided occupational therapy services to adults and children in an inpatient acute rehabilitation and outpatient setting. She primarily treats patients diagnosed with cancer and/or lymphedema which would often require wound care.

Litigation Support - Ms. Nulton offers expert witness services to attorneys representing plaintiff and defendant, including medical record review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise: 

 Education: Master of Art Occupational Therapy, University of Southern California; Bachelor of Science Communication Disorders, The Pennsylvania State University

Milliman’s Tampa Office provides a variety of Health Insurance, Health Care services, and Pharma consulting services to law firms, health plans, insurance companies, HMO’s, Blue Cross/Blue Shield plans, hospitals and other providers, employers and government agencies. Stuart Rachlin and other staff are experienced actuaries and related consultants.  

We provide support to our clients with all types of health related services including Medicare Advantage and Prescription Drug plans (MAPD), Part D plans (PDP), ACA plans, medical, dental, long-term care, Medicare supplement & critical illness.

We assist clients nationwide with forensic actuarial work, rate filings, regulatory compliance, reserve projections, valuations, employee benefit analysis and design, mergers and acquisitions, claim cost analysis, and fee schedule analysis.

These health care services are used in litigation relating to:

• Life care planning
• Contract development and fee schedule analysis
• Pricing & Underwriting
• Senior Services
• New benefit plan design

Jacqueline N. Bloink, MBA, RHIA, CHC, CFE, CPC, CPC-I, CPCO, CMRS has over 20 years of experience on the business side of Healthcare that includes: Medical Coding / Reimbursement (Reasonable Value of Billed Amounts), Revenue Cycle Managment, Healthcare Compliance and Healthcare Fraud.

Background - Ms. Bloink served as the Director of Compliance for the largest provider group in Arizona. For several years she worked as a Medical Coding Manager, Reimbursement Manager, and Compliance Liaison for a University Physician Group - Department of Medicine, and as Corporate Responsibility Auditor for a large 3 Hospital network. Ms. Bloink is a Professor and Instructor in the area of Medical Coding, Billing, Health Information Management, and Healthcare Fraud. She also served as a Compliance Officer for a Telehealth organization and works with healthcare providers of multispeciality departments assisting them to better understand medical coding and billing guidelines.  She is a national, state and local speaker (author) for such groups as ACFE, HCCA, AAPC, AMBA, American College of Physicians, CLM, Coalition Against Insurance Fraud, CA AHIMA, and others. As a co-designer and presenter with CMS (MLN) and OIG in 2014 webinar - ACA Provider Compliance Program - she assisted in reaching thousands of healthcare providers learn more about healthcare compliance.  In 2015, she was honored to be the recipient of the Arizona ACFE Sentinel Award “Truth Over Self” that acknowledged her assistance to the Office of Inspector General / Department of Justice with the largest Healthcare Fraud Case (FCA) in Arizona history. 

Litigation Support - Jacqueline N. Bloink is a knowledgeable expert witness with Healthcare Fraud litigation support history and proven experience with evaluating case allegations and calculating Usual, Reasonable and Customary charges (reasonable value of billed amounts.) She offers services to expert witness firms, attorneys, health plans, providers, forensic consulting firms, governments, and IROs. 

Areas of Expertise:

View Jacqueline N. Bloink's Consulting Profile.

Expert Witness: Retained in Washington, D.C., and over 25 states as an expert in hospital administration who could render opinion after assessing medical records, hospital policies and procedures, medical staff bylaws and regulations, JCAHO standards, depositions, etc. Served as Expert Witness for Plaintiff and Defense. 

Consultant: Has assisted hospitals and health systems with accelerating their performance improvement efforts. Speaks, writes and consults on ethical issues in health care. 

Background Highlights:

• Consultant, Executive Vice President and Chief Operating Officer of the health system.
• Executive Director of two academic medical centers: Emory University Hospital in Atlanta, Georgia, Stanford University Hospital and Clinics at Stanford.
• Past chairman of the national advisory board for the University of Chicago’s Center for Clinical Medical Ethics.
• An author of over 175 publications, he has written articles for USA Today, Health Management Quarterly, Trustee, Health Progress, the Journal of Health Administration Education, Frontiers of Health Services Management, Bioethics Forum, Modern Healthcare, the Cambridge Quarterly of Healthcare Ethics, Stanford Medicine, and Healthcare Executive among others.
• Co-editor of Management Mistakes in Healthcare: Identification, Correction, and Prevention, published by Cambridge University Press in 2005.
• Co-editor of Managing Ethically: An Executive's Guide, published by Health Administration Press in 2001, and a second edition, Managing Healthcare Ethically: An Executive's Guide was published in 2010.
• Fellow of the American College of Healthcare Executives, a past member of its Leadership Advisory Committee, and a consultant on health care management ethics since 1994.
• Served as a Distinguished Visiting Scholar at Stanford University’s Center for Biomedical Ethics.
• Recipient of American Hospital Association's Award of Honor in 2009 and an Albert Schweitzer Leadership Award in 2012.
• Faculty appointments held at Harvard, UCLA, Stanford, Emory, the University of California, and Seton Hall University.
• Bachelor of Science, Master of Public Health, and Doctor of Public Health degrees are from the University of California, Berkeley.