Michael Steven Richheimer, MD

As of August 1, 2025, Optum Allergy and Immunology in Long Beach will be closing and the providers will be relocating to Optum Allergy and Immunology in Bay Shore.

Michael Richheimer, MD is Board Certified in Allergy & Immunology. Dr. Richheimer has been recognized nationally for many years, including in New York Magazine’s Best Doctors, and The People’s Choice award.
Dr. Richheimer is an Assistant Professor of Medicine at SUNY Stony Brook Medical Center and the Director of Allergy & Immunology at the Northport Veterans Administration in Northport, New York. He is also an Assistant Clinical professor at SUNY Stony Brook. Dr. Richheimer’s practice has distinguished itself by treating the full spectrum of allergies. He offers accurate and up to date methods for diagnosis of seasonal allergies, asthma, eczema and diagnosing and treating conditions of the immune system.