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U.S. Settles False Claims Act Lawsuit Against Cardiologist And His Medical Practice For Paying Millions In Kickbacks For Referrals

Cardiologist Agrees to Pay $6.5 Million, Relinquish Ownership of Practice, and Will Be Prohibited from Seeking Payments from Federal Healthcare Programs.

Damian Williams, the United States Attorney for the Southern District of New York, and Naomi Gruchacz, the Special Agent in Charge of the New York Office of the U.S. Department of Health and Human Services, Office of Inspector General (“HHS-OIG”), announced today that the United States has filed and settled a civil fraud lawsuit against KLAUS PETER RENTROP and his medical practice GRAMERCY CARDIAC DIAGNOSTIC SERVICES P.C. (“GRAMERCY CARDIAC”) for paying millions of dollars in kickbacks to physicians and their practices for patient referrals.


Action Details

  • Date:September 18, 2023
  • Agency:U.S. Attorney's Office, Southern District of New York
  • Enforcement Types:
    • Criminal and Civil Actions