Dr. Joshua Schwimmer is a nephrologist and internal medicine doctor — a kidney and blood pressure specialist and general medical doctor for adults — based in Midtown Manhattan, NYC.

With over 15 years of clinical experience in nephrology and general medicine, Dr. Schwimmer receives outstanding reviews from patients of all ages. Dr. Schwimmer is part of the medical staff of Lenox Hill Hospital and the North Shore-LIJ Medical Group. In practice with Dr. Mark Gardenswartz, Dr. Schwimmer sees patients at his 59th Street office and hospitalized patients at Lenox Hill Hospital. As a “doctor’s doctor”, Dr. Schwimmer is trusted to care for many physicians and their families. In addition, Dr. Schwimmer is a health technology consultant and medical expert witness and is a medical advisor to several technology companies. As a strong believer in using technology to improve health care, he offers all his patients electronic prescribing via the iPhone and free, secure communication by email.

Dr. Schwimmer grew up in Brooklyn and lives in NYC with his wife, daughter, and French bulldog.


“Dr. Schwimmer is a dedicated, compassionate and highly trained physician. He has provided invaluable care for myself and my family, and I recommend his services highly.”

— Elie Wiesel, Winner of the Nobel Peace Prize