Osteoarthritis Expert Witnesses

Osteoarthritis expert witnesses and consultants listed here may be able to form expert opinions, draft expert witness reports, provide expert witness testimony at deposition and/or trial as or serve as consulting (non-testifying) experts on osteoarthritis. The osteoarthritis expert witness listings on this page are typically from fields/areas of expertise such as: Acupuncturist, Internal Medicine, Orthopedic Surgery, Pain Management - Medicine, Physical Medicine & Rehab, Rheumatology, and Sports Medicine.

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Roger Kasendorf, DO

Physical Medicine/Pain Medicine Expert

Alaska
Physical Medicine & Rehab, Pain Management - Medicine - Osteopathic manipulation, Pain, Pain Medicine, Pain management, Physical Rehabilitation, musculoskeletal, osteopath, ime, independent medical examination, Physical Medicine and rehabilitation, stem cell, modalities, autoimmune, osteoarthritis, platelet rich plasma (PRP), trigger point, injection, sacroiliac, facet, ultrasound guided
Roger Kasendorf, DO, is a top physiatrist in the La Jolla, CA, area, providing state-of-the-art pain management, physical medicine and rehabilitation services for superior, effective treatment of a wide array of issues affecting the musculoskeletal system. Recognized as a leading specialist in the management of chronic pain, Dr. Kasendorf is committed to providing the most advanced care for patients at his practice on Genesee Avenue in La Jolla. His close affiliation with Scripps Memorial Hospital ensures patients have ready access to cutting-edge therapeutic options aimed at assessing and treating their unique health needs. Dedicated to providing patient-centered care based on each patient’s condition, medical history, personal goals, and other factors and objectives, Dr. Kasendorf offers an array of care options, including osteopathic manipulation, arthritis management, acute and chronic pain management, cancer pain management, regenerative medicine, electrodiagnostics (EMG) and ...
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John O'Shea

Physician Associate Orthopedic Surgery Expert

OrthoHealth PLLC

Flagstaff, Arizona
Orthopedic Surgery, Sports Medicine - Shoulder elbow hand, Shoulder replacement, knee replacement, rotator cuff tear, impingment, fracture, dislocations, sports medicine, osteoarthritis, ORIF, preoperative, Postoperative care, nerve injury, workers compensation, frozen shoulder, meniscus tear, trigger finger, DVT, physician associate
John O’Shea is a highly skilled Physician Associate with a Certificate of Added Qualifications (CAQ) in Orthopedic Surgery. With extensive expertise in sports medicine, upper extremity orthopedic conditions, joint replacements, fracture care and general orthopedics, he has first-assisted in over 1,000 surgical procedures. His surgical first assist experience spans a wide range of cases, including carpal and trigger finger releases, complex fracture fixations, tendon transfers, shoulder/knee scopes, and both partial and total joint arthroplasties. As a trusted provider, John manages his own clinic schedule, overseeing patient care from initial evaluations and orthopedic urgent care to pre-operative planning, post-operative management, and workers’ compensation cases. With six years of hands-on experience and countless hours collaborating with top orthopedic surgeons, he has developed the ability to assess and predict patient conditions, long-term disabilities, and appropriate treatm...
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Alan R Schenk, MD

Clinical Professor of Rheumatology

Laguna Niguel, California
Rheumatology - Osteoporosis, Axial spondyloarthropathies, Connective tissue diseases, Musculoskeletal ultrasound, Osteoarthritis, Rheumatoid arthritis, Gout, Psoriatic arthritis, Pseudogout
Summary of Expertise 43+ years of experience as a rheumatologist, currently Clinical Professor of Medicine at UC Irvine School of Medicine. Special expertise in osteoporosis and musculoskeletal ultrasound. Prior experience as a Qualified Medical Examiner, including expert testimony at depositions and at trial. Board-certified in Internal Medicine, Rheumatology, Bone Densitometry and Rheumatology Musculoskeletal Ultrasound. Current member and prior Chair of Continuing Medical Education (1995-2015), Saddleback Memorial Medical Center. 10-times named an Orange County Medical Association’ s Physician of Excellence, most recently 2026. Fellow, American College of Physicians and American College of Rheumatology. U.S. News & World Report/Castle Connolly Top Doctors in the US, 2011-2 (one of 500 rheumatologists so honored nationwide). SEAK Expert Witness training, 2025.
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Roger Kasendorf, DO

Physical Medicine/Pain Medicine Expert

La Jolla, California
Physical Medicine & Rehab, Pain Management - Medicine - Osteopathic manipulation, Pain, Pain Medicine, Pain management, Physical Rehabilitation, musculoskeletal, osteopath, ime, independent medical examination, Physical Medicine and rehabilitation, stem cell, modalities, autoimmune, osteoarthritis, platelet rich plasma (PRP), trigger point, injection, sacroiliac, facet, ultrasound guided
Roger Kasendorf, DO, is a top physiatrist in the La Jolla, CA, area, providing state-of-the-art pain management, physical medicine and rehabilitation services for superior, effective treatment of a wide array of issues affecting the musculoskeletal system. Recognized as a leading specialist in the management of chronic pain, Dr. Kasendorf is committed to providing the most advanced care for patients at his practice on Genesee Avenue in La Jolla. His close affiliation with Scripps Memorial Hospital ensures patients have ready access to cutting-edge therapeutic options aimed at assessing and treating their unique health needs. Dedicated to providing patient-centered care based on each patient’s condition, medical history, personal goals, and other factors and objectives, Dr. Kasendorf offers an array of care options, including osteopathic manipulation, arthritis management, acute and chronic pain management, cancer pain management, regenerative medicine, electrodiagnostics (EMG) and ...
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Jeff Sarkozi, MD, FRCPC, FACR

Fibromyalgia, Chronic Pain, Arthritis, CRPS

Fibromyalgia Polypain Arthritis Center

Santa Ana, California
Rheumatology, Internal Medicine - Fibromyalgia, Arthritis, Widespread Pain, Pain, Occupational Industrial Environmental Rheumatology, Chronic Pain, Rheumatology, Osteoarthritis, Neck Pain, Back Pain, Complex Regional Pain Syndrome, Regional Pain, Injury, Trauma, CRPS, Lupus, Rheumatoid Arthritis, Spondylitis, Scleroderma, Gout
Extensive consultation, case review, analysis, ME/IME/AME, deposition, trial experience. On behalf of: industry/insurers/defendant/defendant public local, state, and federal agencies/plaintiff for industrial/occupational/environmental/post-traumatic/disability claims of fibromyalgia, reflex dystrophy / complex regional pain syndrome(CRPS) and syndromes of chronic fatigue and pain, arthritis, connective tissue and other rheumatology diseases including rheumatoid arthritis, osteoarthritis, diffuse idiopathic skeletal hyperostosis, neck pain, back pain, lupus (SLE), scleroderma, Sjogren’s Syndrome, Raynaud's Syndrome, spondylitis, myositis, vasculitis, gout; manufacturers and physicians involved in silicone implant litigation; manufacturers involved in diet drug litigation; plaintiff for l-tryptophan EMS; physician / plaintiff in rheumatology medical malpractice issues. Degrees/Lic./Certification:. M.D., F.R.C.P.C (Board Certified Rheumatology & Internal Medicine)., F.A.C.R., ( Lic....
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Adam Berlinberg, M.D.

Board Certified Private Practice Rheumatologist

Denver Arthritis Clinic

Centennial, Colorado
Rheumatology - Rheumatoid Arthritis, Osteoarthritis, Inflammatory arthritis, Vasculitis, Fibromyalgia, Ankylosing Spondylitis, Psoriatic Arthritis, Lupus, Immunosuppressive therapy, Autoimmune, Scleroderma, Dermatomyositis, Immune adverse events, Osteoporosis, Gout, Immunosuppression, Autoimmune, Arthritis, Pain, Chronic Pain
I am a board-certified rheumatologist with a strong academic foundation and extensive experience across clinical care, research, and healthcare leadership. As a partner and co-owner of one of the region’s largest single-specialty rheumatology practices, I have spent years managing high-volume, complex autoimmune and inflammatory cases while overseeing both strategic and operational aspects of a large clinical group. My clinical expertise covers the full spectrum of rheumatic diseases, including rheumatoid arthritis, gout, psoriatic arthritis, ankylosing spondylitis, vasculitis, and other autoimmune conditions. I have particular depth in the use, safety, and risk profiles of immunosuppressive and biologic therapies—an area central to many malpractice, causation, and standard-of-care evaluations. I bring detailed insight into treatment complications, adverse events, diagnostic challenges, and appropriate clinical decision-making. My academic work includes multiple peer-reviewed publ...
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Stanley J. Mathew, MD

Illinois
Physical Medicine & Rehab, Pain Management - Medicine - Chronic Pain Syndrome, Fibromyalgia, Migraines, Post Laminectomy Syndrome, Neuropathy, Gait and Balance dysfunction, TBI, Spinal Cord Injury, Stroke, Chronic Neck and low Back Pain, Osteoarthritis, Rotator Cuff, Nerve, Bone and Muscle Specialist
Stanley Mathew, MD, has been an Attending Physician at St Luke's Hospital since October 2009. Dr. Mathew also serves as Chief Executive Officer of American Rehabilitation Medicine , PLLC. He was previously a Chief Resident in the Department of Physical Medicine and Rehabilitation at New York Medical College. Dr. Mathew has extensive experience in the fields of Internal medicine, Physical medicine and rehabilitation, pain management and electrodiagnostic medicine. Dr. Mathew holds board certifications in Physical medicine and Rehabilitation, Pain Medicine, with the American Board of Disability Analysts
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Stanley J. Mathew, MD

Cedar Rapids, Iowa
Physical Medicine & Rehab, Pain Management - Medicine - Chronic Pain Syndrome, Fibromyalgia, Migraines, Post Laminectomy Syndrome, Neuropathy, Gait and Balance dysfunction, TBI, Spinal Cord Injury, Stroke, Chronic Neck and low Back Pain, Osteoarthritis, Rotator Cuff, Nerve, Bone and Muscle Specialist
Stanley Mathew, MD, has been an Attending Physician at St Luke's Hospital since October 2009. Dr. Mathew also serves as Chief Executive Officer of American Rehabilitation Medicine , PLLC. He was previously a Chief Resident in the Department of Physical Medicine and Rehabilitation at New York Medical College. Dr. Mathew has extensive experience in the fields of Internal medicine, Physical medicine and rehabilitation, pain management and electrodiagnostic medicine. Dr. Mathew holds board certifications in Physical medicine and Rehabilitation, Pain Medicine, with the American Board of Disability Analysts
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Donald E Thomas, MD, FACP, FACR, RhMSUS

Rheumatology Expert Witness | 30+ yrs Experience

Arthritis and Pain Associates of Prince George's County

Greenbelt, Maryland
Rheumatology - Lupus, Sjogren's, Rheumatoid Arthritis, Autoimmune Disease, Connective Tissue Disease, Immunosuppressants, Biologics, Psoriatic Arthritis, Osteoarthritis, Fibromyalgia, Gout, Joint Injections, Osteoporosis, Accident-related Arthritis, Rheumatology, Rheumatology Patient Evaluation, Rheumatology Exam, Neck Pain, Back Pain
Qualifications • Practicing rheumatologist with 30+ years of clinical experience • Board-Certified Rheumatologist • Clinical Professor of Medicine • Author: The Lupus Encyclopedia (Johns Hopkins University Press) • Expert witness since 2010 with extensive deposition and case review experience • Chair Emeritus, Chair Medical and Scientific Council, Lupus Foundation of American, DC/MD/VA • Past Chair, Sjögren’s Foundation Board Why Retain Dr. Thomas • Clear, effective communicator skilled at explaining complex medical issues • Time-efficient: prioritizes expert cases, meets deadlines, and produces thorough reports • Experienced at reviewing complex cases and basing conclusions on objective evidence • Responsive: direct access via cell and email, with prompt turnaround on calls and requests • Available nationwide for medical record review, deposition, and testimony Contact: (202) 431-6909 Email: donthomasj@proton.me www.LupusEncyclopedia.com/about LinkedIn: www.linkedin.com/in/donald...
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Ron Avraham, MD

Physiatry & Pain Medicine, Life Care Planner, IME

Polaris Rehabilitation

PLYMOUTH, Massachusetts
Physical Medicine & Rehab, Pain Management - Medicine - PM&R, Life Care Planning, LCP, IME - Independent Medical Exam, Neck Pain, Back Pain, Sciatica, Radiculopathy, Spinal Stenosis, Musculoskeletal medicine, Chronic Pain, Osteoarthritis, Spine injections, Traumatic Brain Injury, TBI, Spinal Cord Injury, SCI, Complex regional pain syndrome, Amputation, Stroke
Double Board-Certified PM&R (physiatry) physician, specializing in interventional pain management, non-surgical orthopedic care and musculoskeletal medicine, pain medicine and medical rehabilitation. Board-Certified in Physical Medicine & Rehabilitation (ABPMR) and Pain Medicine (ABPM), Certified Life Care Planner (CLCP) with the ICHCC and Certified Independent Medical Examiner (CIME) with the ABIME. Dr. Avraham is a fellow of the American Academy of Physical Medicine & Rehabilitation and diplomate of the American Board of Pain Medicine and is fellowship-trained in Interventional Pain. He is a member of the American Academy of Physical Medicine & Rehabilitation (AAPMR), American Academy of Physician Life Care Planners (AAPLCP) and the Massachusetts Medical Society. He holds active licenses in Massachusetts, Vermont and Rhode Island. Over a decade of combined practice experience in multiple settings: outpatient private practice, acute and subacute rehabilitation care, nursing home ca...
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Jerome G. Piontek, MD

St. Louis , Missouri
Orthopedic Surgery - General Orthopedic Surgery, Total Hip Replacement, Total Knee Replacement, Total Shoulder Replacement, Shoulder Injury Related to Vaccine Administration (SIRVA), Fracture Care, Sports Medicine including Knee and Shoulder Arthroscopic Surgery, Sprains, Tendonitis, Osteoarthritis
Dr. Piontek is an Emeritus Member of both the American Academy of Orthopedic Surgeons, and the American Association of Hip and Knee Surgeons. He has been Board Certified by the American Board of Medical Specialties in Orthopedic Surgery since 1988. He has undergone Recertification every ten years. His present Recertification extends until 2028. As a member and cofounder of the St. Luke's Hospital Orthopedic Services LLC, he has been involved in decisions and consultation regarding patient satisfaction, staff education, implant evaluation and purchasing, operating room efficiency, and quality assurance. He has been the hospital's User/Coordinator to the American Joint Replacement Registry. Dr. Piontek is available for Consultation, Chart Review, Depositions, and Trial Testimony.
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Roger Kasendorf, DO

Physical Medicine/Pain Medicine Expert

Nevada
Physical Medicine & Rehab, Pain Management - Medicine - Osteopathic manipulation, Pain, Pain Medicine, Pain management, Physical Rehabilitation, musculoskeletal, osteopath, ime, independent medical examination, Physical Medicine and rehabilitation, stem cell, modalities, autoimmune, osteoarthritis, platelet rich plasma (PRP), trigger point, injection, sacroiliac, facet, ultrasound guided
Roger Kasendorf, DO, is a top physiatrist in the La Jolla, CA, area, providing state-of-the-art pain management, physical medicine and rehabilitation services for superior, effective treatment of a wide array of issues affecting the musculoskeletal system. Recognized as a leading specialist in the management of chronic pain, Dr. Kasendorf is committed to providing the most advanced care for patients at his practice on Genesee Avenue in La Jolla. His close affiliation with Scripps Memorial Hospital ensures patients have ready access to cutting-edge therapeutic options aimed at assessing and treating their unique health needs. Dedicated to providing patient-centered care based on each patient’s condition, medical history, personal goals, and other factors and objectives, Dr. Kasendorf offers an array of care options, including osteopathic manipulation, arthritis management, acute and chronic pain management, cancer pain management, regenerative medicine, electrodiagnostics (EMG) and ...
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Sophia Weinmann, MD

Duke University

Durham, North Carolina
Rheumatology, Internal Medicine - Immunosuppressive therapies, Osteoarthritis, Rheumatoid Arthritis, Lupus, Vasculitis, Psoriatic Arthritis, Ankylosing Spondylitis, Inflammatory Arthritis, Fibromyalgia, Scleroderma, Joint Pain, Rheumatology-Oncology overlap, Immune related adverse events
Extensive experience in Rheumatology and Oncology overlap patient care in the clinic and hospital setting. Experience in evaluation of cases of post-motor vehicle collision symptoms and review for alternative, autoimmune, osteoarthritis, or fibromyalgia. Experience reviewing cases involving immune suppressive therapies and side effects. Experience in medical malpractice review related to treatments, hospitalization, clinical care, and evaluation. Experience evaluating cases for risk of or presence of autoimmune or rheumatic disease. Expertise in reviewing cases as a second opinion of possible autoimmune or rheumatic disease.
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Mary Abraham, MD, MBA

Board Certified Rheumatologist w/ Academic Experti

Corvallis, Oregon
Rheumatology, Internal Medicine - Rheumatology, Autoimmune diseases, Medication Adverse effects, Biologics, lupus, fibromyalgia, psoriatic arthritis, rheumatoid arthritis, DMARDS, osteoarthritis, Central pain sensitization , Gout, Pseudogout, Ankylosing spondylitis, Sjogrens, Dermatomyositis, Interstitial lung disease, scleroderma, MCTD, osteoporosis
Professional Summary Board-certified rheumatologist with over 8 years of experience managing complex autoimmune and inflammatory disorders, including lupus, vasculitis, rheumatoid arthritis, fibromyalgia, and IgG4-related disease. Extensive experience in interpreting longitudinal medical records, evaluating treatment appropriateness, and providing evidence-based opinions on standard-of-care and medication adverse events. Experienced lecturer and mentor, recognized for clear communication, analytical rigor, and professional judgment. Available for expert consulting, medical record review, depositions, and testimony. Licensure & Certification • Medical Licensure: Oregon (#MD211734), New York (#290534) • Board Certification: Internal Medicine (2015), Rheumatology (2018) Education • Doctor of Medicine (MD) — Albany Medical College, Albany, NY (2008–2012) • MBA, Health Administration — Union Graduate College of Union University, Schenectady, NY (2006–2008) • BS in Biology & Sociology...
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Rebecca M. Shepherd, MD, MBA, FACP, FACR

Rheumatology Expert Witness

New Providence, Pennsylvania
Rheumatology, Internal Medicine - Osteoarthritis, Rheumatoid Arthritis, Osteoporosis, Adynamic Bone Fracture, Bisphosphonates, Lupus, Fibromyalgia, Vasculitis, Biologic Therapy, Scleroderma, Myositis, Autoimmune Diseases, Myositis, Giant Cell Arteritis , Psoriatic arthritiis , Gout
I am a Board Certified Rheumatologist with clinical experience in autoimmune diseases such as rheumatoid arthritis , systemic lupus erythematosus and vasculitis, as well as chronic bone and joint diseases such as osteoarthritis and osteoporosis. I have twenty years of clinical experience managing rheumatologic diseases. I am the Chief of Rheumatology and Director of Osteoporosis for Lancaster General Health and keep an active clinical practice. I will take a measured, thoughtful approach to your medical case review and will provide insight into standards of care. I offer unbiased reviews for both plaintiff and defense cases.
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Roger Kasendorf, DO

Physical Medicine/Pain Medicine Expert

Texas
Physical Medicine & Rehab, Pain Management - Medicine - Osteopathic manipulation, Pain, Pain Medicine, Pain management, Physical Rehabilitation, musculoskeletal, osteopath, ime, independent medical examination, Physical Medicine and rehabilitation, stem cell, modalities, autoimmune, osteoarthritis, platelet rich plasma (PRP), trigger point, injection, sacroiliac, facet, ultrasound guided
Roger Kasendorf, DO, is a top physiatrist in the La Jolla, CA, area, providing state-of-the-art pain management, physical medicine and rehabilitation services for superior, effective treatment of a wide array of issues affecting the musculoskeletal system. Recognized as a leading specialist in the management of chronic pain, Dr. Kasendorf is committed to providing the most advanced care for patients at his practice on Genesee Avenue in La Jolla. His close affiliation with Scripps Memorial Hospital ensures patients have ready access to cutting-edge therapeutic options aimed at assessing and treating their unique health needs. Dedicated to providing patient-centered care based on each patient’s condition, medical history, personal goals, and other factors and objectives, Dr. Kasendorf offers an array of care options, including osteopathic manipulation, arthritis management, acute and chronic pain management, cancer pain management, regenerative medicine, electrodiagnostics (EMG) and ...
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Ricardo L Pocurull, MD

Board Certified Rheumatologist for over 25 years

College Station, Texas
Rheumatology - Rheumatoid Arthritis, osteoarthritis, Fibromyalgia, Lupus, psoriatic arthritis, Ankylosing Spondylitis, Vasculitis, Sjogren's Syndrome, Gout, Polymyalgia Rheumatica, Scleroderma, Polymyositis, Dermatomyositis
I have over 25 years of clinical experience in Clinical Rheumatology, I have maintained board certification since 2000.    I've owned a successful private practice since 2002. My clinical expertise spans Fibromyalgia, Rheumatoid Arthritis, Gout, Psoriatic Arthritis, Osteoarthritis, Lupus, Vasculitis, Polymyalgia Rheumatica, Scleroderma, Dermatomyositis, Polymyositis, and Osteoporosis. With a special focus on biologics and Early Arthritis management. Alongside my practice, I serve as an Associate Clinical Professor at Texas A&M Medical School and volunteer at a local community clinic. These activities keep me deeply connected to both clinical practice and community health needs.  I maintain board certification in Rheumatology through ABIM, as well as board eligibility for Internal Medicine. I am also Board Certified in Internal Medicine and Rheumatology through NBPAS. I am a Fellow of the American College of Rheumatology and an expert level Musculoskeletal Sonographer. I am license...
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Yousef Zarbalian, MD

Rheumatologist and Integrative medicine expert

East-West Rheumatology

Vienna, Virginia
Rheumatology, Acupuncturist - Internal Medicine, Integrative Medicine, Acupuncture, Ehlers-danlos, Hypermobility syndrome, Autoimmune disease, Herbal medicine, Chronic fatigue, Rheumatoid arthritis, Systemic lupus, Chronic pain, Vasculitis, Sjogren's, Gout, Steroid injection, Osteoporosis, Osteoarthritis, PMR, Post-Covid, GCA
I am a Rheumatologist and internist who is also an expert in integrative medicine and licensed to perform acupuncture. With regards to medicolegal work, as of February 2026, I have mainly performed independent medical evaluations (IME) and expert witness reports. I am able and willing to perform expert witness work in the areas of rheumatology, integrative medicine, acupuncture, and internal medicine. I will take a careful approach to your medical case review. As an expert in integrative medicine, I can go beyond just assessing whether standard of care was met, particularly for cases and medical conditions for which guidelines may be lacking. I will provide unbiased reviews for both plaintiff and defense cases. In my own clinic at East-West Rheumatology, I frequently see patients who are dealing with chronic multi-organ illness that is not improving with standard of care therapies. Patients previously seen by multiple rheumatologists (including at quaternary care treatment centers...
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Roger Kasendorf, DO

Physical Medicine/Pain Medicine Expert

Wyoming
Physical Medicine & Rehab, Pain Management - Medicine - Osteopathic manipulation, Pain, Pain Medicine, Pain management, Physical Rehabilitation, musculoskeletal, osteopath, ime, independent medical examination, Physical Medicine and rehabilitation, stem cell, modalities, autoimmune, osteoarthritis, platelet rich plasma (PRP), trigger point, injection, sacroiliac, facet, ultrasound guided
Roger Kasendorf, DO, is a top physiatrist in the La Jolla, CA, area, providing state-of-the-art pain management, physical medicine and rehabilitation services for superior, effective treatment of a wide array of issues affecting the musculoskeletal system. Recognized as a leading specialist in the management of chronic pain, Dr. Kasendorf is committed to providing the most advanced care for patients at his practice on Genesee Avenue in La Jolla. His close affiliation with Scripps Memorial Hospital ensures patients have ready access to cutting-edge therapeutic options aimed at assessing and treating their unique health needs. Dedicated to providing patient-centered care based on each patient’s condition, medical history, personal goals, and other factors and objectives, Dr. Kasendorf offers an array of care options, including osteopathic manipulation, arthritis management, acute and chronic pain management, cancer pain management, regenerative medicine, electrodiagnostics (EMG) and ...