Connective Tissue Diseases Expert Witnesses

Connective tissue diseases 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 connective tissue diseases. The connective tissue diseases expert witness listings on this page are typically from fields/areas of expertise such as: Internal Medicine and Rheumatology.

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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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David John, MD

Mission Hills, Kansas
Rheumatology, Internal Medicine - Auto Immune Disorders, Lupus, Rheumatoid Arthritis, Arthritis, Connective Tissue Diseases, Fibromyalgia, Medical Orthopedics, Osteoporosis, Osteonecrosis