Petros Efthimiou, MD, FACR Expert Witness

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Specialties & Experience

General Specialties: Rheumatology and Internal Medicine

Specialty Focus: Rheumatoid Arthritis, osteoarthritis, spondyloarthritis, psoriatic arthritis, Systemic lupus erythematosus, Scleroderma, Adult Still's Disease, Macrophage Activation Syndrome, Osteoporosis, lupus nephritis, myositis, vasculitis

Education: MD, ; Board Certified in Rheumatology, American Board of Internal Medicine; Board Certified in Internal Medicine, American Board of Internal Medicine

Years in Practice: 19

Number of Times Deposed/Testified in Last 4 Yrs: 2


Additional Information

Petros Efthimiou is a Board Certified Specialist in Rheumatology at the rank of Clinical Professor of Medicine & Rheumatology in New York City. Dr Efthimiou has held faculty positions at top US Medical Schools such as Weill Cornell Medicine (WCM) and New York University (NYU). A summa cum laude graduate of the University of Ioannina Medical School in Greece, Dr. Efthimiou became a Research Scholar at Northwestern University College of Medicine in Chicago, Illinois. He then completed his Internal Medicine Residency at Brown University in Providence, Rhode Island, while his Rheumatology Fellowship took place at the Hospital for Special Surgery and New York Presbyterian/Cornell Campus. Dr. Efthimiou has expertise in the treatment of autoimmune disorders including Rheumatoid Arthritis, Psoriatic arthritis, gout, osteoarthritis, myositis, SLE-lupus, Sjogren’s syndrome, Vasculitis, Pulmonary Hypertension, Scleroderma, Osteoporosis, Auto-inflammatory Syndromes and Adult Still’s Disease. Dr. Efthimiou has published extensively in peer-reviewed journals and medical textbooks and has served as Clinical Investigator in multiple, international, randomized controlled trials. He has served as an ad hoc reviewer and editorial board member in peer-reviewed rheumatology journals and is a frequently invited speaker in national and international medical conferences. A 2011-19 “Castle Connolly” and “US News & World Report”, Top Doctor in Rheumatology, he was the recipient of the Patients’ Choice Award in 2012-19 and named a 2014-19 “Super Doctor” by the New York Times and “Best Doctor” by New York Magazine. He has published a medical textbook in the Auto-inflammatory Syndromes and a Rheumatology Review Textbook. Dr Efthimiou is Board Certified in Rheumatology and Internal Medicine.