Medical Malpractice Expert Witnesses: 73

Shawn A. Hayden MD, PhD, MBA, President and CEO of ONTO Orthopedics, has over 25 years of experience as an Orthopedic Spine, Trauma and Sports Medicine Surgeon in the Dallas Fort Worth area. Dr. Hayden’s focus has always been in providing high-tech, high-quality care to his patients. For this reason, he is constantly training on some of the latest diagnostic and operative technologies. 

Litigation Support - Dr. Hayden assists medical doctors, scientists, lawyers and law firms with civil matters, malpractice cases, business guidance, and idea generation. His services include medical record review, thorough reporting of causation, depositions, and trial testimony as needed.

Areas of Expertise:

Orthopedic Surgery Spine Surgery Sports Medicine and Surgery Endoscopic Surgery Minimally Invasive Surgery Sports Injury Back Injury Neck Injury

Whiplash Sports Concussion Case Valuation Impairment Medical Devices Innovation Understanding EMR Vehicle Injury Evaluation

Dr. Hayden graduated from Harvard College. He received his medical degree from the University of Massachusetts Medical School and his orthopedic training at the Harvard Combined Orthopedics Residency Program. Dr. Hayden is also fellowship trained in orthopedic trauma and spine surgery at The Massachusetts General Hospital and The Beth Israel Deaconess Medical Center. Diplomate of the American Board of Orthopedic Surgery and a Fellow in the American Academy of Orthopedic Surgeons. Dr. Hayden is board certified in Orthopedic Surgery. 

Alan MacGill, DPM, FACFAS, CWS, is board certified by The American Board of Foot and Ankle Surgery in Foot Surgery as well as Reconstructive Rearfoot and Ankle Surgery and serves as one of their case reviewers. Dr. MacGill is also a Certified Wound Specialist (CWS) by The American Board of Wound Management. He is on the Board of Directors of the American College of Foot and Ankle Surgeons (ACFAS), a professional society of more than 8,000 foot and ankle surgeons.  He is a previous AO Fellow and a current faculty member of AO Trauma North America.

Dr. MacGill is on the Board of Trustees and serves as the Director of the Foot and Ankle Surgery residency program at HCA Florida Northwest Hospital in Margate, FL.  He participates in weekly didactic lectures, surgical grand rounds, journal club meetings, and cadaver lab workshops with the residents and students. He has also published several articles in peer-reviewed journals, given award-winning case presentations at state scientific meetings, presented numerous scientific research posters, and lectured at both state and national conferences.

Among his numerous achievements, Dr. MacGill was named one of the 2017 America’s Most Influential Podiatrists by Podiatry Management Magazine.  In 2020, Becker's ASC Review named him to their list of "38 Foot and Ankle Surgeons To Know".  Becker's Spine Review named him to their 2022 list of "10 Orthopedic Surgeons To Know".  

Litigation Support - Dr. MacGill provides expert witness services to attorneys representing both plaintiff and defendant. His services include medical record review, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Total Ankle Replacement Podiatric Surgery Diabetic Foot Ulcer Trauma Ankle Fracture Ankle Arthritis Amputation Achilles Issues

Neuroma Limb Salvage Tendon Transfer Charcot Foot Hammer Toe Hallux Valgus Hallux Rigidus Flat Foot Reconstruction

Elliott M. Stein, MD is a Geriatric Psychiatrist with over 45 years of experience caring for the elderly. Dr. Stein is Board Certified by the American Board of Psychiatry and Neurology in General Psychiatry (October, 1979) and Geriatric Psychiatry (April, 1991; Re-Certified, December, 2001, April, 2011, December 2022). He is licensed in California and Florida. Dr. Stein was the Director of Psychiatry at the Jewish Home of San Francisco from 2010-2020, and the Medical Director of their Geriatric Psychiatry Hospital. He has treated older individuals, typically people who have complex combination of psychiatric and medical problems. Dr. Stein has been a Member of the Task Force on Testamentary Capacity and Undue Influence, for the International PsychoGeriatric Association.

Dr. Stein is a Clinical Professor (Voluntary) in the Department of Psychiatry at the University of California, San Francisco, School of Medicine. He is a Distinguished Life Fellow of the American Psychiatric Association and a Distinguished Fellow of the American Association for Geriatric Psychiatry and a Life Member of the International PsychoGeriatric Association.

He is available to serve as an Expert Witness, do legal and forensic consultation, record review, and assessments concerning Psychiatric issues in Older Individuals. Dr. Stein offers his services to attorneys for both Plaintiff or Defense.

Areas of Expertise:

• Contested Wills and Trusts
• Testamentary Capacity, Undue Influence, Insane Delusions
• Financial Elder Abuse
• Geriatric Competence/Capacity
• Dementia and Delirium, Alzheimer’s Disease
• Geriatric Psychiatry Evaluation and Treatment, Psychiatric Medication, Psychotherapeutic Issues
• Depression and Anxiety Disorders
• Relationship Problems between the Elderly and their Adult Children
• Aging and Mental Disorders
• Geriatric Psychiatry issues in Hospitals, Nursing Homes, Memory Care, Independent and Assisted Living Facilities
• Medicare Psychiatric Services Coding and Documentation

View Dr. Stein's Consulting Profile.

William B. Stetson, MD is an Orthopedic Surgeon who specializes in Sports Medicine with an expertise in Arthroscopic and Reconstructive Surgery of the shoulder, knee, elbow and ankle. He is an Associate Clinical Professor of Orthopaedic Surgery at the University of Southern California Keck School of Medicine and the Department of Orthopaedic Surgery.

Dr. Stetson spends over 90% of his time in clinical practice and research and has over ten years experience as an expert witness and in reviewing complex medical-legal issues. He is the Team Physician for the USA Men's and Women's Olympic Indoor Volleyball Teams and accompanied both teams to the 2012 Summer Olympics in London, England. He is a former athlete himself, a two time All-American volleyball player at the University of Southern California (USC). He is also a recipient of the NCAA's prestigious Silver Anniversary Award, given to former NCAA athletes who have gone on to distinguish themselves after graduation. 

Areas of Orthopedic and Sports Medicine Specialization:

Knee Arthroscopy Shoulder Arthroscopy Rotator Cuff Repair ACL Reconstruction Treatment of Arthritis

Knee Ligament Reconstruction Recurrent Shoulder Dislocation Shoulder Impingement / Bursitis Meniscus Repair and Meniscectomy Elbow Arthroscopy

View Dr. Stetson's Consulting Profile.

Clinton F. Merrill, Jr., MD, has over 35 years of experience in clinical Internal Medicine and 28 years of experience in Medical Oncology and Hematology. Dr. Merrill is experienced in the diagnosis and treatment of all solid tumors as well as the full range of hematologic malignancies. He has special expertise in benign hematology including: anemias, low blood cell counts, iron overload disorders, bleeding and clotting disorders. Litigation Support - Dr. Merrill offers expert witness services to counsel representing Plaintiff and Defendant. His services include medical record review, written reports, depositions, and trial testimony. Dr. Merrill takes pride in providing thorough record review, meticulously researched reports reflecting unbiased opinions, and excellent communication skills with the ability to make the complex understandable. Areas of Expertise:

Breast Cancer Colon Cancer Lung Cancer Tumors Leukemias Lymphomas

Myeloma Myeloproliferative Disorders Myelodysplastic Syndromes Benign Hematology Anemia Bleeding and Clotting Disorders

James M. Wheeler, MD, MPH, JD, magna cum laude in Biology / Psychology from Harvard, is an OB/GYN trained at Baylor, with subspecialty training in Reproductive Endocrinology / Infertility at Yale. He is also a graduate of the Robert Wood Johnson Clinical Scholars Program at Yale, focusing upon clinical epidemiology and biostatistics and health policy. He also earned his MPH at Yale majoring in Biostatistics, minoring in Maternal/Child Health. He graduated from the University of Houston Law Center with a JD in 2005, and was invited to join the Health Law division there. He has completed ADR training, having completed training programs separately in mediation, and arbitration.

Dr. Wheeler is a former national officer of the American College of Obstetricians and Gynecologists (ACOG), and served on several of their health policy committees including the Health Care Commission and the Hysterectomy Committee. He has published over 40 peer-reviewed papers on a wide array of topics in ob/gyn, with a particular emphasis on methodology. He has given over 200 invited lectures to ob/gyns, reproductive endocrinologists, radiologists, midwives, nurses, surgical technologists, law students et al. He sees himself first and foremost as a caregiver, and second to only that, as a teacher.

Dr. Wheeler has consulted in several hundred medicolegal matters for over 20 years, mostly in ob/gyn, but including family practice, internal medicine and several of its subspecialties, general surgery and several of its subspecialties, and dermatology. He has been a testifying expert before the FDA for drugs and devices, and has testified before U.S. Congressional staffers on health policy issues. He reviews for attorneys from both plaintiff and defense bars, as well as insurance companies (e.g. Pro-Assurance), and health plans (e.g. Harvard Community Health Plan). He has helped with Board of Medicine reviews, and constructing/defending class action suits. The combination of his training in medicine, basic and clinical research, clinical epidemiology, biostatistics and law make him a uniquely qualified person to review the complex issues of medicolegal cases.

Dr. Wheeler is a qualified first-reviewer, and a convincing expert during testimony. He has never been excused from a case as insufficiently expert.

Areas of expertise:

Gynecologic surgery Forceps / Vacuum Uses/ Complications Fetal Stress vs. Distress Cesarean vs. Vaginal Birth Shoulder Dystocia Pregnancy induced Hypertension / HELLP Syndrome Hysterectomy: Indications and Complications

Preterm Labor Incompetent Cervix Endometriosis Pelvic Adhesions Leiomyomata Uteri Infertility Advanced Reproductive Technology (IVF)

Jonathan Wiesen, MD received training in Pulmonary and Critical Care Medicine with a special focus on Medical Ethics.

Dr. Wiesen is currently a Pulmonary and Intensive Care Attending Physician at Community Intensivists where his duties include general clinical care and workflow organization and protocol authorship. He also serves as a Medical Technology Analyst at OurCrowd where he is responsible for the Scientific and financial assessment of medical technology start up companies and provides multi-disciplinary interactions for assessments and investments.

Dr. Wiesen has extensive academic experience with over 75 publications, including first authorship on over a dozen full length manuscripts. He has been honored with the Teaching Excellence Award from the Cleveland Clinic, a non-profit academic medical center, which provides clinical and hospital care and leads in research, education, and health information. He also received the Best Abstract Award, Critical Care session, at the ACCP CHEST annual conference in 2014.

Litigation Support - Dr. Wiesen provides expert witness services to attorneys representing plaintiff and defendant. His services include medical record review, written reports, depositions, and trial testimony as needed.

Areas of Expertise:

Cardio-Pulmonary Hemodynamics Respiratory Physiology End of Life Sepsis / Septic Shock Pneumonia COPD Asthma Life Support

Mechanical Ventilation Smoking Related Diseases Interstitial Lung Disease Pulmonary Hypertension Lung Transplantation Biomedical Ethics Conflict Resolution Triage

Merrill S. Wise, MD, is Board-Certified in Psychiatry and Neurology with special qualifications in Child Neurology, and he is certified by the American Board of Sleep Medicine. Involved in the full-time practice of sleep medicine, Dr. Wise has evaluated and managed the full range of Sleep Disorders since 1991.

Dr. Wise evaluates children, adolescents, and adults with the full range of sleep problems and disorders. He is involved with supervision and interpretation of polysomnography (sleep studies), Multiple Sleep Latency Tests (MSLT), Maintenance of Wakefulness Tests (MWT), and integration of these findings with the clinical history in order to develop a diagnosis and treatment plan.

Because of the population served in Memphis, Dr. Wise evaluates a large number of pilots (FedEx world hub), air traffic controllers, commercial drivers and barge pilots, rail engineers, and shift workers. He is experienced in the treatment of obstructive sleep apnea (OSA), narcolepsy, and other disorders of excessive sleepiness, insomnia, circadian rhythm sleep disorders, restless legs syndrome, and parasomnias.  This expertise and experience allows him to analyse and provide valuable opinions on a wide range of sleep-related legal issues.

Litigation Support - Dr. Wise has reviewed a wide variety of cases involving both neurology and sleep medicine for greater than 20 years including report generation, testimony at deposition, and at trial. He has served on numerous national task forces and committees, as well as the Board of Directors of the American Academy of Sleep Medicine (AASM). These experiences have exposed him to the full range of sleep disorders, as well as healthcare systems, best practices and evidence-based standards of care, policies, and the legal aspects of sleep problems and disorders. 

Special Interest and Expertise:  

• Individuals with Excessive Daytime Sleepiness
• Downstream Effects of Sleepiness on
  • Cognitive Function
  • Driving
  • Safety
  • Work
  • Behavioral Regulation

Expert Witness in Emergency Medicine, Urgent Care,  and Family Medicine Dr. W. Anthony Gerard is a Full time Emergency Physician and Assistant Clinical Professor of Family Medicine. He also practices in Rural and Urgent Care Medicine part time. Dr. Gerard has a special interest in Urgent care, Emergency medicine, family medicine,   Call Dr. Gerard for Prompt, Professional, Personal Service.

Dr. Ariel F. Grajales-Cruz, triple board-certified in Internal Medicine, Hematology, and Medical Oncology, specializes in multiple myeloma and advanced immunotherapies. An Assistant Member at Moffitt Cancer Center and USF faculty, he offers expert witness testimony, malpractice review, and litigation support. Author of 20+ publications, he lectures worldwide and is fluent in English, Spanish, and French.

Expertise in Myeloma, CAR-T, Immunotherapy & Malpractice Cases.

We provide comprehensive services in healthcare damage valuation, including life care planning, rebuttals to life care plans, expert witness testimony related to standards of care, and medico-legal consulting. These services are delivered by an experienced Autonomous-Practice Advanced Practice Registered Nurse Practitioner and Certified Life Care Planner. Available to both Plaintiff & Defense firms.

Life Care Planning - Life Care Plan Rebuttals - Litigation Support - Expert Witness Services

Dr Karthik Reddy Pammi, MBBS, MS (Orthopaedics)
Fellowship-trained orthopaedic surgeon performing 750+ robotic / computer-assisted knee and hip replacements and 300+ ACL / PCL/ shoulder arthroscopies each year at Apollo Hospitals, Chennai.

Expertise: 

Robotic TKA Alignment Errors, Early Loosening, Revision Arthroplasty, Tunnel Misplacement, Arthroscopy Complications, Implant Product Lability. Reports in =14 days; Zoom depositions U S-time; fees review $450/hr, depo $500/hr.

Ramzy Rimawi, MD, is American board certified in Internal Medicine, Infectious Diseases, and Critical Care Medicine. He has authored dozens of articles and given hundreds of lectures in the fields of IM, ID, and critical care. Dr. Rimawi is extremely well qualified in topics including sepsis, infections, critical care, and ethics.

 As an expert medical witness, Dr. Rimawi has reviewed hundreds of medical malpractice cases for both plaintiff and defense.