Dr. Gary Alan Koretzky, MD

Dr. Gary Koretzky is a rheumatologist and internal medicine specialist who brings over four decades of medical expertise to patient care. He earned his medical degree from the prestigious Perelman School of Medicine at the University of Pennsylvania and completed his residency training at Moffitt Hospital University of California. His dual specialization allows him to provide comprehensive care for both complex autoimmune conditions and general internal medicine needs.

Based in New York, New York, Dr. Koretzky focuses on treating patients with chronic sinusitis, common variable immunodeficiency, and nasal congestion. His extensive experience in rheumatology enables him to address complex immune system disorders that often require specialized diagnostic skills and targeted treatment approaches. Patients benefit from his thorough understanding of how autoimmune conditions can affect multiple body systems and his ability to coordinate comprehensive care plans.