Dr. Joshua Schwimmer is a board-certified nephrologist and internist who practices at Lenox Hill Hospital and has faculty appointments at the Columbia University College of Physicians & Surgeons and the NYU School of Medicine.

Our practice specializes in all aspects of general internal medicine and kidney disease. We care for patients with high blood pressure/hypertension; diabetes; heart disease; high cholesterol; kidney stones; protein or blood in the urine; decreased kidney function and kidney failure; as well as many other conditions. We are dedicated to providing compassionate, individualized, high-quality care.

Our practice has been awarded the UnitedHealth & Oxford Premium Quality and Efficiency of Care Designation.

Dr. Schwimmer was featured on page 3 of the Google Annual Report discussing the use of technology in caring for patients.

Watch an interview with Dr. Schwimmer by Google.

Practice Locations

  • Office of Drs. Joshua Schwimmer and Mark Gardenswartz (See Map)
    110 East 59th Street
    Suite 10B
    New York, New York 10022
    212.583.2930
  • Lenox Hill Hospital (See Map)
    100 East 77th Street
    New York, New York 10021

Health Plans

We accept Blue Cross/Blue Shield, Cigna, HIP, Medicare, Oxford, Health Net and United Healthcare. Please inquire about other health plans.