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Report File
Date Issued
Submitting OIG
Amtrak (National Railroad Passenger Corporation) OIG
Other Participating OIGs
Amtrak (National Railroad Passenger Corporation) OIG
Agencies Reviewed/Investigated
Amtrak (National Railroad Passenger Corporation)
Report Number
OIG-WS-2021-325
Report Description

Marc Hoang, a Pharmacist based in West Covina, California, pleaded guilty in United States District Court, Central District of California, on October 26, 2020, to making a false statement related to a health care fraud investigation. Our investigation found that Hoang knowingly and willfully made a materially false and fraudulent statement on a Drug Enforcement Administration (DEA) form. Hoang submitted the form to the DEA to renew the controlled substances registration for his former pharmacy. On the form, Hoang represented that he was the person who distributed the controlled substances and was the officer and point of contact for the pharmacy, when in fact, he was not.In this same investigation, Navanjun Grewal, a Plastic and Reconstructive Surgeon based in Beverly Hills, California, pleaded guilty in United States District Court, Central District of California, on January 13, 2021, to making and using a false document and to obstruction of a federal audit. Our investigation found that Grewal created false and fraudulent patient files in response to an audit request regarding prescriptions for compounded medications that were submitted for reimbursement.Both defendants will be sentenced at a future date.

Report Type
Investigation
Location

West Covina, CA
United States

Amtrak (National Railroad Passenger Corporation) OIG

United States