Jonathan Kay, MD

Dr. Jonathan Kay specializes in rheumatology, focusing on the diagnosis and treatment of conditions affecting joints, muscles, and connective tissues. He earned his medical degree from the University of California, San Francisco, and completed his residency at Hospital of the University of Pennsylvania. Dr. Kay further advanced his training through a fellowship at Brigham and Women's Hospital, gaining specialized expertise in rheumatic diseases. With over four decades of experience in medicine, he brings extensive knowledge to patient care. He is fluent in both English and French.

Dr. Kay is affiliated with Heywood Hospital and practices at UMass Memorial Medical Center in Worcester, Massachusetts. His clinical expertise includes treating osteoarthritis and rheumatoid arthritis, conditions that cause joint pain and inflammation. He also specializes in managing knee osteoarthritis, helping patients maintain mobility and reduce discomfort. His diagnostic approach includes comprehensive …metabolic panels and complete blood counts to assess overall health, along with specialized immunology and serology testing to identify autoimmune conditions. Patients have given him an average rating of 3.3 stars on Vitals.