Pain Management - Chronic Pain Expert Witnesses: 20

Joel L. Kent, MD, is an expert in all realms of Pain Medicine and has focused expertise in the prescribing and oversight of opioid analgesics. His specialties include acute and chronic pain management, opioid analgesics, interventional pain management therapies, spinal cord stimulation, intrathecal drug delivery, RSD/CRPS and low back pain.

Dr. Kent has provided expert case reviews and testimony for over twenty years.  The majority of his expert work has focused on the standard of care in the practice of Pain Medicine and the use of opioid analgesics.  Dr. Kent has provided expert case opinions in Federal and State civil courts.  He has provided defense support to the US Department of Justice in two cases.  He has served as an expert witness and case reviewer for both Maryland and New York State.  Dr. Kent assisted the District Attorney of New Jersey in prosecuting a case of unlawful prescribing of controlled substances.  He has provided expert case review and litigation support to health insurance carriers seeking restitution for fraudulent expenses related to opioid therapy.  

Over the course of his career, Dr. Kent has developed particular expertise surrounding the use of opioid analgesics.  He has provided over 50 lectures to other physicians regarding the safe and proper use of these medications.   He has been recognized as an expert in both State and Federal Court in cases related to opioid therapy.  He has served on advisory boards helping craft regulatory policies related to opioid medication.  All these accomplishments attest to Dr. Kent’s high level of expertise in the complex and evolving realm of opioid therapy. 

Primary area of expertise: Pain Medicine

Expert consulting experience:

• Authored over 50 expert case reports
• Participated in over 25 depositions
• Testimony experience in civil trials and professional hearings
• Provides litigation support and expert testimony in plaintiff and defense cases

Professional experience:

• Over 25 years of experience in Pain Medicine
• Triple Board Certified
• Practice Director of University Multi-Disciplinary Pain Management Practices from 1998 to 2017
• Program Director of a Multi-Disciplinary Pain Management Fellowship Training Programs from 1998 to 2015
• Professor of Anesthesiology, Palliative Care, and Physical Medicine and Rehabilitation at University of Rochester School of Medicine
• Lectures extensively and published 

Tracy L. Skaer, PharmD, FASHP, FASCP is a Professor Emeritus of Pharmacotherapy with over 30 years of pharmaceutical experience; 10 years as an expert witness. She is a licensed pharmacist in California, Idaho, and Washington. Dr. Skaer is a Fellow of the American Society of Health-Systems Pharmacists, the American Society of Consultant Pharmacist, and a Member of the American College of Clinical Pharmacist's (ACCP) Pain and Palliative Care Practice and Research Network (PRN).

Dr. Skaer's research interests include chronic pain, co-morbid mental illness in chronic disease, depression, anxiety disorders, insomnia, mindfulness, complementary and alternative medicine, and pharamcoeconomics and pharmacoepidemiology. Her research has been supported by over $3.2 million in grants from foundations and pharmaceutical industry.

Litigation Support - Dr. Skaer has completed several expert cases across the United States. Her services are available to attorneys representing plaintiff and defendant, including record review, written reports, deposition, and trial testimony. Dr. Skaer's cases involve:

View Dr. Skaer'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:

Stephen M. Raffle, M.D. is double Board-Certified in Psychiatry and Forensic Psychiatry. Dr. Raffle has over 49 years as a clinical and forensic psychiatrist offering his expert opinion in Federal and State jurisdictions nationwide. In addition to serving as an expert witness, Dr. Raffle consults to attorneys, judges, insurers, and to employers regarding Fitness for Duty and Risk of Violence (Threat) Assessment:

• 5000+ psychiatric assessments
• Expert testimony in 700 depositions and trials
• Successful clinical practice

The job of an expert witness is to educate a jury, judge, attorney, and trier of fact about the forensic psychiatrist's conclusions and how those opinions were derived in a manner well-reasoned, skillful, and easily understood by every person, not only another forensic psychiatrist. In short, an educator. Dr. Raffle’s experience as an educator extends well beyond a forensic venue, yet underpins the key to his ability to explain his opinions.

• Prof. of Psychiatry, UCSF Medical School, 20 years
• U.C. Hastings College of the Law postgraduate course "Trial and Appellate Advocacy" instructing seasoned attorneys about the direct and cross-examination of expert witnesses, with special focus on mental health experts and licensed medical professionals, Psychiatrists (MDs), Psychologists (LCSWs / MFTs), and physicians in other medical specialties, 11 years

Stephen M. Raffle, M.D. & Associates' expertise is well-established in forensic assessment in the areas of:

• Post-Traumatic Stress Disorder (PTSD)
• Dementia and Competency
• Testamentary Capacity
• Undue Influence
• Traumatic Brain Injury
• Malingering
• Emotional Distress: Intentional & Unintentional infliction
• Emotional Distress: Forensic Evaluation to render medical-legal opinion
• Diagnosis and Need for Treatment
• Fitness For Duty
• Risk/Threat Workplace Violence Assessment
• Wrongful Termination
• Discrimination (ADA, Title VII, EEOC)
• Harassment
• Employment Litigation
• Medical Malpractice
• Catastrophic Injury
• Temporary and Permanent Disability
• Medical Records Review
• Assist in Preparation for Direct and Cross-examination of Expert Witnesses and Deposition of expert witnesses

Licensed in California.

Dr. Richard K. Skala, DC, QME, has been a Doctor of Chiropractic since 1976, providing chiropractic manipulation and spinal manipulation, as well as related physiotherapy. Certified in Manipulation Under Anesthesia (MUA), he has been granted Hospital / Surgery Center privileges for MUA and has performed hundreds of MUA cases. He was one of the first chiropractors in California to train for and provide Extracorporeal Shockwave Treatments (EWST). He has post graduate certification in the performance and interpretation of neuro-electrodiagnostics. Consultation and Expert Witness Services for Attorneys regarding

• Personal Injury
• Industrial Medical-Legal Cases
• Standard of Care involving General Chiropractic, Manipulation Under Anesthesia (MUA), Non-Surgical Spinal Decompression, and Extracorporeal Shockwave (EWST)
• Chiropractic Licensure Compliance California
• Workers Compensation

One of the foremost experts in Workers’ Compensation in California, he has taught many doctors on the subject and testified at numerous WCAB trials and hearings. He has been declared an expert witness by the California Workers’ Compensation Appeals Board. He has been a Qualified Medical Evaluator since 1992, an Independent Disability Evaluator since 1992, a certified AMA Impairment rater since 2003, a Fellow of the Academy of Chiropractic Forensic Consultants (AFICC) since 2003, and a consultant to the California Board of Chiropractic Examiners since 2008.

Dr. Skala is a noted author in his field of expertise. He has written numerous published newsletter articles on Chiropractic and other topics related to that field.

Tobias A. Mattei, MD, is a academic Neurosurgeon specialized in Complex Spine / Deformity Surgery. Dr. Mattei is currently practices as an Assistant Professor of the Division of Neurosurgery of St. Louis University. He has been an active member of the North American Spine Society, American Association of Neurological Surgeons, Congress of Neurological Surgeons, World Federation of Neurosurgical Societies, as well as many other international societies. 

Dr. Mattei is a member of the editorial board of The Spine Journal and Deputy Editor of the North American Spine Society Journal, the new open access initiative of the North American Spine Society. He is an active reviewer of several other neurosurgical journals including World Neurosurgery, Clinical Neurology & Neurosurgery, Journal of Clinical Neuroscience, Osteoarthritis & Cartilage, Journal of Engineering in Medicine: Part H, British Journal of Neurosurgery and Neurological Sciences.

As a researcher, Dr. Mattei has published more than 130 original research articles, having been cited more than 1400 times. He holds an unrestricted medical license in the states of Ohio, Missouri, New York, and Maine, and has never been submitted to any sanction or disciplinary action by any medical boards.

Litigation Support: Dr. Mattei provides expert witness services in the field of Spinal Injuries, Spine Surgery, Spinal Care, and Neurosurgery. He has provided expert review services for several scientific funding agencies in the U.S. (including the NIH Panel for Clinical Neurophysiology, Devices, Neuroprosthetics, and Biosensors) as well as abroad (including the Innovation and Technology Commission/ Hong Kong SAR Government and The Brain Tumor Charity - New Ideas Award/UK). 

Dr. Mattei's  litigation support services are available to attorneys for plaintiff and defense and include review of hospital records, medical reports, imaging results, operative reports, patient's evolution, depositions, and trial testimony.

Areas of Expertise:

• 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

Dr. Peter-Brian Andersson, a Board Certified Neurologist and Associate Professor of Neurology at UCLA, specializes in Traumatic Brain Injury, Multiple Sclerosis, Complex Regional Pain Syndrome, Memory Disorders, Capacity, and Nursing Home Standard of Care. 

Between 1992 and 1997, Dr. Andersson completed an internal medicine internship and then neurology residency at the University of California, San Francisco where he also served as Chief Resident. He has completed fellowships in multiple sclerosis at UCSF and in neuromuscular disease at Stanford University. He served on the faculty at Stanford University in the neuromuscular division before moving to the Valley in 1999 and has served this community as both an outpatient and inpatient neurologist for over 20 years.

Dr. Andersson has been published in laboratory and clinical neurology. He has been an ad hoc reviewer for the journal Muscle & Nerve. He is the Medical Director of Stratus Neurodiagnostics, the leading outpatient EEG services company in the United States, and has served as a Principal and Co-Investigator for dementia trials at The National Research Institute.Epilepsy 

Litigation Support: Dr. Andersson has extensive experience providing expert testimony. His services include medical record review, IMEs, thorough reporting, depositions, and trial testimony as needed.

Areas of Expertise:

Prior to beginning his residency, Dr. Andersson graduated cum laude in medicine from the University of Cape Town in 1986. In 1988, he earned an honors degree in medical biochemistry at the University of Cape Town. Between 1988 and 1991, Dr. Andersson obtained a D. Phil in neuroimmunology at Oxford University as a Rhodes Scholar. He was Yamanouchi Junior Research Fellow in Cell Biology at Wolfson 1991-2. Junior Research Fellowships are awarded to the top 2% of graduates at Oxford University.

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.

Arnold J. Weil, MD has over 29 years of experience specializing in Non-Surgical Orthopaedics and Pain Management. A Diplomat of the American Board of Physical Medicine and 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, including the spine and extremities, with emphasis on spine rehabilitation, functional restoration, pain management, and ergonomic modifications. He treats patients with back and neck pain and a variety of other orthopaedic conditions. Managing acute and chronic pain through an advanced Non-Surgical approach, Dr. Weil has become one of the leading experts on Spine Care and Disability Management.

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

Litigation Support - Arnold Weil 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:

View Dr. Weil's Consulting Profile.

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:

Victor L. Mandoff, BSc, MBBS, is a Board-Certified fully practicing Professor of Anesthesiology at a teaching hospital. With 17 years of experience in Anesthesiology and 10 years in Critical Care Medicine, his training keeps him current in the knowledge and practice of Evidence Based Medicine (EBM). Evidence Based Medicine is the integration of individual clinical expertise with the best available research evidence from systematic research and the patient's values and expectations.

UAMS Medical Center provides care to the highest acuity patients from the state and surrounding areas. It is the only level-one trauma center in Arkansas and the only one that does liver transplantations. Dr. Mandoff provides anesthesia for a variety of cases like liver transplants, kidney transplants, vascular surgery, thoracic, obstetric, neurosurgical, ENT, outpatient, GI, radiology, Cath Lab, Electroconvulsive therapy, etc. 

Litigation Support - Dr. Mandoff offers expert witness services to attorneys for plaintiff and defendant. Services include medical record review, thorough reporting, depositions, and trial testimony.

Areas of Expertise:

Dr. Mandoff is the director of MOCA Simulation for Anesthesiologists, the Assistant Medical Director of the Simulation Center, and the Director of Liver Transplant Team and Transplant Anesthesia at the University of Arkansas for Medical Science. He is an award-winning educator who feels privileged to teach medical students, nurses, residents, SRNAs and junior faculty, and other faculty using simulation training. Dr. Mandoff has won many teaching awards, including “Golden Apple Award,” “Red Sash Award,” and  “Educational Excellence Award,” presented by residents, students, and the College of Medicine.

Dr. Mandoff is a Fellow of the American Society of Anesthesiologists (FASA). The FASA designation is the “highest acknowledgment that recognizes years of dedication to exceptional education, leadership, and commitment to the specialty” as per the American Society of Anesthesiologists website. He is also Critical Care Fellowship trained at the Cleveland Clinic Medical Foundation, Critical Care Board Certified, and practiced Critical Care Medicine from 2006 to about 2016.

An Oral Board Examiner for the American Board of Anesthesiology, Dr. Mandoff has been named in Arkansas Times Best Doctors in Arkansas list in both Anesthesiology and Critical Care Medicine.

James H. Reich, MD, MPH, is a board-certified Forensic Psychiatrist with extensive civil psychiatry experience who has done hundreds of evaluations.

After getting his MD from the University of Colorado Medical Center in Denver, Dr. Reich earned his MPH at Yale University and did his psychiatric residency at UC Davis. Dr. Reich has held academic positions at Yale, Iowa, Harvard, and Brown Universities.  Currently, he has teaching appointments at the professor level at both UCSF and Stanford University. Throughout his career, he has published over a hundred peer-reviewed publications. 

Litigation Support - Dr. Reich’s services are available for civil and some criminal law cases. Clients are assured of his personal dedication to each case. He does high quality research, expert evaluations, writes a solid report, and will testify well. Dr. Reich has been deposed over 50 times.

Areas of Expertise:

Presentations - As faculty at the Stanford Forensic Fellowship program, Dr. Reich has given two talks to the group. On October 27, 2023, he presented, "What Gets Psychiatrists and other Medical Professionals into Problems with the Law or Regulators." On January 19, 2024, he presented a talk on Psychiatric Disability to the same group. Dr. Reich is also supervising a fellow on his project on competency issues in older physicians.

Dr. Kelly S. Harvey, MS, PT, DPT, TPS, CLCP, CFCE, is a Medical Legal consultant with 27 years of clinical leadership experience and acute, rehabilitation, and concierge practice expertise. Dr. Harvey has been recognized for demonstrating a natural aptitude for Forensic Analysis and Catastrophic Case Management as well as for creating Medical Cost Projections and Life Care Plans.

Dr. Harvey founded Harvey Medical Legal Consulting in 2012 to offer her orthopedic trauma, spinal cord injury, and traumatic brain injury expertise. She maintains a private practice, as well as certifications as a Life Care Planner, Industrial Ergonomist, Functional Capacity Evaluator, Return to Work, Work Readiness, and Work Hardening Evaluator.  Dr. Harvey holds Therapeutic Pain Science Specialty certification that allows her to autonomously evaluate and treat Pain Management patients.

Litigation Support - Dr. Harvey serves the legal industry as a Forensic Analyst, Damages Expert, and Medical Consultant. She is an Industry Best Practice Advisor and Expert Witness in the fields of Physical Therapy, Rehabilitation, and Pain Management. Dr. Harvey offers services to attorneys representing plaintiff and defendant. She provides medical chart review, thorough reporting, depositions, arbitration, and trial testimony as needed. Dr. Harvey has been deposed and/or testified in a court of law over 48 times.

Areas of Expertise:

Education / Training:

• Doctorate of Physical Therapy, International Spine and Pain Institute;
• Therapeutic Pain Specialist, International Spine and Pain Institute;
• Master of Physical Therapy, Columbia University College of Physicians and Surgeons; 
• BA in Psychology and Biology, University of California at Santa Barbara

Terence K. Gray, DO, is a Harvard trained Anesthesiologist / Interventional and Multidisciplinary Pain Management Specialist. Currently the Medical Director at Mercy Pain Management Center, he is responsible for assisting in the leadership, physician oversight, and management of a large multidisciplinary pain management program. Dr. Gray served as a physician leader and partner in a large multistate anesthesia practice in southern New England and has been on the faculty of Harvard Medical School and Tufts University School of Medicine. He is a diplomate of the American College of Osteopathic Anesthesiologists. Along with treatment modalities for spine and radicular back pain, Dr. Gray has a special interest in treating pain associated with sacroiliac dysfunction, Piriformis pain, joint bursitis, and arthritis (in particular genicular nerve blocks for knee pain), as well as post hernia repair and abdominal surgery neuropathic pain. Dr. Gray was awarded 1 United States Patent for a Ventilating Tube and Stylet System patent number, and has 3 patents pending. He also holds 1 United States Copyright. Dr. Gray is currently an Adjunct Professor of Clinical Research at the University of New England College of Osteopathic Medicine. Litigation Support - Dr. Gray has been a medical expert consultant for several years. He provides medical forensic reviews and expert testimony in the areas of Anesthesiology, Pain Management, and Medical Malpractice. His services include medical record review, written reports, depositions, and trial testimony. Areas of Expertise:

CV Available Upon Request.