Medical Legal Consultants Expert Witnesses: 26

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's prestigious list of more than forty consultants are active clinicians and surgeons, who are all board-certified or eligible in one or more specialties. 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. Our office physicians are available for telephone review of the merits of your case before you decide to proceed.  

Edward 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 served on the orthopedic trauma staff at Mercy San Juan Medical Center in Carmichael, California, for more than fifteen years and was instrumental in bringing computer navigation technology to that institution. 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 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 was involved with the development of the orthopedic section of the Level II Trauma Center at Mercy San Juan Medical Center. He served as a clinical professor at the University of California, Davis, Medical Center for more than thirty years. He has been a member of the North American Spine Society since 2009 and was awarded the David O. Selby Award in 2020 for his contributions. He is 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. He retired from the USAF in 1998 after being on active duty during the Vietnam War, and he was activated for Operation Desert Storm in 1991. 

MRK's Areas of Expertise:

Orthopedics Neurosurgery / Neurology Anesthesiology / Pain Management Bariatric Surgery Cardiology Chiropractic Orthopedics Covid-19 Critical Care/ICU Chronic Pain  Dermatology Emergency Medicine Endocrinology Gastroenterology General Surgery / Trauma Geriatrics Family Practice IME Life Care Planning Medical Billing / Bill Auditing Medical Malpractice

Medical Record Review Metallurgical Engineering Neuropsychology Neuroradiology Obstetrics / Gynecology / OB/GYN Ophthalmology Optometry Orthopedic Implants Otolaryngology Physical Medicine and Rehabilitation Physical Therapy Plastic Surgery Podiatry Pulmonary Medicine Radiology Sports Medicine Thoracic Surgery  Traumatic Brain Injury Vascular Surgery Vocational Rehabilitation

Dr. Robert Evans, PhD,  is a Licensed School Psychologist with over 30 years of experience in the behavioral sciences, including completing over 100 Child Custody Evaluations. Dr. Evans serves as a consultant to the medical, legal, and law enforcement community in Florida on Psychological and Educational matters. He consulted with Orange County Public Defender with cases involving arrest and incarceration of children, including Competency Assessments and Insanity Determinations. He has also provided Critical Incident Stress Debriefings to victims of crime in the Central Florida area. 

Litigation Support - Dr. Evans specializes in Parental Alienation cases which are commonly among those classified as High Conflict Divorce cases and he has written a book on Parental Alienation. He provides litigation support to counsel for both Plaintiff and Defense. His services include support with hearing / trial preparations, review of current evaluations, and support during and after the litigation process. 

Dr. Evans has given sworn testimony as a Forensic Psychology expert witness in NY, IL, PA, GA, FL, IA, ID, CO, OH, TX, TN, LA, MA, MD, MO, NC, SC, WA, and OR. 

Areas of Expertise:

• Parental Alienation
• Child Custody Evaluations
• False Allegations of Abuse
• Treatment Considerations for Alienated Children

Arnold J. Weil, MD has over 33 years of experience specializing in Non-Surgical Orthopaedics and Pain Management. A Diplomat of the American Board of Physical Medicine & Rehabilitation and Chief Executive Officer of Non-Surgical Orthopaedics, P.C., one of the premier orthopaedic practices in the metro Atlanta area. 

Dr. Weil's practice focuses on conservative, non-surgical care of orthopaedic injuries and pain management, including a variety of interventional injections, therapy and pharmacologic management. He treats patients with back and neck pain and a variety of other orthopaedic conditions and is one of the leading experts on Spine Care and Disability Management.

 

Video: Non-Surgical Orthopaedics, P.C. | The Overview

Litigation Support - Arnold J. Weil, MD provides litigation support services to attorneys representing plaintiffs and defendants. He has maintained an unbiased reputation in the medical and legal community. Dr. Weil's experience includes over 300 depositions, medical-legal reviews, peer reviews, and trial appearances. 

Areas of Expertise:

Back, Neck, Spine Injuries Disability Management Pain Management Interventional Spine Injections Workers' Compensation Injuries

Disc Herniation, Bulge, Rupture Independent Medical Evaluations Peer Review Regenerative Medicine & Stem Cell Injections Life Care Plans

View Dr. Weil's Consulting Profile.

Dr. James C. Norris, Ph.D., DABT, EURT is an Expert Witness in Toxicology and Pharmacology. He has Litigation and Arbitration experience in the United States, United Kingdom and Hong Kong. Dr. Norris has given testimony to government agencies, has acted as a consultant for the media (BBC) and is an Industrial Site Crisis Team Member. He is avaliable for both Plaintiff and Defense.

Areas Of Expertise:

• Carcinogenicity and Chemicals
• Combustion or Fire Toxicolog
• General and Inhalation Toxicology
• Pesticides, and Pharmaceuticals (pharmacology)

Professional Affiliations:

• American Association of Pharmaceutical Scientists
• British Toxicology Society
• Society of Toxicology
• Editorial Boards of Inhalation Toxicology and Journal of Fire Sciences

Ms. Roughan is a Rehabilitation Nurse Specialist who functions in the capacity of case manager, life care planner and expert witness. Her company, Roughan & Associates at LINC, is a nationally recognized Case Management and Medical/Legal Consulting service. It has been in existence since 1987, providing coordination of patient care; construction of Life Care Plans; and, consultative services to both the defense and plaintiff bar on simple and complex cases alike. Ms. Roughan has experience with diagnoses involving both children and adults and are knowledgeable in current treatment philosophies, identification of appropriate resources. Diagnoses include, but are not limited to:

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

Services Include:

• 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

Steven M. Simons, MD, FACP, FCCP, is board certified in Internal Medicine and Pulmonary Diseases. Dr. Simons has been awarded the distinction of Fellowship in both of these disciplines, based on his national reputation, quality of care, teaching and publications. He continues to actively teach and is a Clinical Professor of Medicine at the UCLA School of Medicine.

Litigation Support - Dr. Simons has over 25 years of experience as an expert witness, representing both defense and plaintiffs. He is proud of the fact that his meticulous case evaluations often disclose critical information that was not appreciated prior to his review. He is an articulate, highly credible witness and has successfully testified in many high profile cases.

Dr. Simons is highly experienced at conducting independent medical evaluations. He is an expert in quantitating the degree of impairment resulting from a variety of exposures and injuries; his reports are exemplary. Dr. Simons approaches the patient in a warm, unbiased manner. Perhaps the best evidence of this is the number of claimants who, following such an evaluation, requested that he become their physician despite the fact that his conclusions were not in their favor.

Areas of Expertise:

Lung Disease Lung Cancer Asthma Pulmonary Fibrosis Lung Cancer Pneumonia Bronchoscopy Mechanical Ventilation

Pleural Effusions Pulmonary Embolism Dyspnea Shortness of Breath Cough COPD Emphysema IMEs

View Dr. Simons' 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.

John R. Storm offers a rare combination of expertise in Fire Operations, Incident Command, Fire Cause & Origin, EMS/Paramedic Standards of Care, 911 Communications, and Fire Administration, enabling him to evaluate cases from both operational and executive leadership perspectives.

With 30 years in the fire service, including 25 years as a practicing paramedic and service as a chief-level fire officer, Mr. Storm has firsthand experience with the decisions, policies, and operational practices frequently examined in litigation.

Litigation Support

Mr. Storm provides expert analysis, consulting, and testimony in matters involving fire department operations, incident command, EMS standard of care and prehospital treatment, fire cause and origin, fire code enforcement, 911 dispatch and emergency communications. Since March 2026, he has been retained in more than a dozen cases involving fire and EMS issues.

Attorneys retain Mr. Storm because he translates complex technical standards into clear, objective, and persuasive opinions supported by nationally recognized standards, accepted industry practices, and decades of practical experience. His engagements have been approximately 45% plaintiff and 55% defense, demonstrating a balanced and impartial approach.

Areas of Expertise: 

Fire & EMS Operations  Fireground Command / Tactical Operations Incident Command System Compliance Wildland Response Fire Cause & Origin 911 Dispatch   Automatic & Mutual Aid Systems Emergency Vehicle Operations & Driver Training Apparatus / Equipment Performance

EMS Standard of Care Prehospital Assessment & Treatment Scope of Practice Analysis - EMT / Paramedic Negligence Documentation Review Resuscitation / Cardiac Care Standards Standard of Care- Malpractice

Training & Supervision Failure to Train Allegations Training Program Development / Compliance Fire Officer Liability Instructor Certification  Negligence

Policy & Administration Policy Development / Enforcement Internal Investigations Human Resources- FLSA  NFPA 1582 Standards OSHA Compliance

Mr. Storm's career spans fire suppression, EMS operations, fire prevention, training, quality assurance, policy development, internal investigations, emergency communications, and executive leadership. He has commanded emergency incidents, supervised fire and EMS personnel, managed 911 communications, coordinated multi-agency responses, developed departmental policies, and overseen regulatory compliance. 

In addition to his public safety career, Mr. Storm has experience in executive recruiting and municipal consulting, providing valuable insight into hiring practices, organizational liability, and employment issues. This unique combination of operational and administrative experience strengthens his analysis of cases involving negligent supervision, hiring, training, policy development, and organizational compliance. 

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)

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.