John T. Barnard, M.D.

Cardiovascular Disease
John Barnard

Dr. Barnard practices General Cardiology and Cardiovascular Medicine at the Weill-Cornell campus of NYPH. His practice includes patients with hypertension,hyperlipidemia, coronary artery disease and its complications, valvular heart conditions, and those who have undergone heart surgery or interventional procedures. He works in close affiliation with all physicians in the Division of Cardiology, including subspecialists in Cardiac Electrophysiology, Heart Failure, Diagnostic and Interventional Cardiac Catheterization, and Non-Invasive Testing. Dr. Barnard has been in the practice of Cardiology since completing his specialty training in 1983. He joined the staff at Weill-Cornell in July, 2007.


Insurance Plans Accepted

The following represents most of the managed care plans accepted by this physician. If your insurance carrier does not appear here please contact the physician’s office as they may have individual contracts not included on this site.

* indicates this physician is no longer accepting new patients with this insurance plan.

  • AETNA [Medicare]
  • Aetna - Weill Cornell [POS]
  • Affinity Essential
  • Affinity Health Plan
  • Blue Priority Network
  • Emblem Select Care
  • Empire Blue Cross/Blue Shield [Pathway X]
  • Empire Blue Cross/Blue Shield [Pathway X Enhanced]
  • Empire Blue Cross/Blue Shield [PPO]
  • Empire Blue Cross/Blue Shield [EPO]
  • Empire Blue Cross/Blue Shield [HMO]
  • Empire Blue Cross/Blue Shield [Mediblue (Senior)]
  • Fidelis Care
  • GHI [CBP]
  • Health First
  • Health Insurance Plan of NY (HIP) [Medicare]
  • Health Insurance Plan of NY (HIP) [Medicaid]
  • Health Insurance Plan of NY (HIP)
  • Health Plus - Amerigroup [CHP]
  • Health Plus - Amerigroup
  • Health Republic
  • Medicaid
  • Medicare
  • Oscar
  • Oxford Health Plans [Liberty]
  • Oxford Health Plans [Medicare Advantage]
  • Oxford Health Plans [Freedom]
  • Rockefeller University - CoreSource
  • UHC Compass
  • United Empire
  • United Health Care
  • United Health Care [Medicare]
  • United Health Care [Community Plan]
  • VNSNY CHOICE Medicare [Medicare]
  • VNSNY CHOICE Medicare [HMO]



1. Finkelstein RA, Vasil JL, Jones JR, Anderson RA, Barnard T. Clinical cholera caused by enterotoxigenic E. Coli. J Clin Microbiol 1976; 3(3):382-284.

2. Warner NJ, Barnard JT, Leahey EB Jr, Hougen TJ, Bigger JT Jr, Smith TW. Myocardial monovalent cation transport during the quinidine-digoxin interaction in dogs. Circ Res 1984; 54(4):453-60.

3. Warner NJ, Barnard JT, Bigger JT Jr. Tissue digoxin concentrations and digoxin effect during the quinidine-digoxin interaction. J Am Coll Cardiol 1985; 5(3):680-6.

4. Giardina EG, Barnard T, Johnson L, Saroff AL, Bigger JT Jr, Louie M. The antiarrhythmic effect of nortripline in cardiac patients with ventricular premature depolarizations. J Am Coll Cardiol 1986; 7(6):1363-9.