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Gregory David Hazergian, D.O.

NPI 1588923734ActiveIndividual· Internal Medicine, Cardiovascular Disease· Dearborn, MI

Internal Medicine, Cardiovascular Disease (D.O.) with Henry Ford Physician Partners, practicing in Dearborn, Michigan. Their prescriptions cost Medicare Part D more than their services did: $1,910,047 for 5,957 claims, against $139,009 paid for services in 2024. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 12 companies reporting payments in 2025, $1,406 in all, mostly food and beverage. Lists Beaumont Hospital - Dearborn and 4 other hospitals as hospital affiliations.

Overview

NPI1588923734
StatusActive
Entity typeIndividual
CredentialD.O.
Sole proprietorYes
NPI issuedMay 9, 2012
Last updated in NPPESDec 20, 2024
Certified by providerDec 17, 2024

Specialties and licenses

About license numbers in NPPES

Exclusion screening

ListResultDetails
HHS-OIG LEIE · Nov 10, 2026No matchChecked by NPI and by name + state
North Carolina Medicaid · Nov 11, 2026No match—
New York OMIG · Nov 11, 2026No match—
Ohio Medicaid · Nov 11, 2026No match—
Pennsylvania Medicheck · Nov 11, 2026No match—
Washington HCA · Nov 11, 2026No match—

Official OIG search · How matching works ·Bulk check a roster

Medicare

Enrollment (PECOS)Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MI)
Accepts assignmentYes (participating)

Medicare services in 2024

Medicare patients911
Services billed2,284 across 55 procedure codes
Paid by Medicare$139,009

Part D prescriptions in 2024

Prescriptions (claims)5,957 · 13,836 30-day fills
Patients700
Total drug cost$1,910,047
Generic share76% of claims

Medicare sources and data years

Education and affiliations

Graduation year2018
Medicare specialtyCardiovascular Disease (Cardiology)
Secondary specialtiesInternal Medicine
TelehealthOffers telehealth

Medical group

Hospital affiliations

Source: CMS Care Compare

Industry payments (Open Payments)

  • 2025$1,406 · 52 payments from 12 companies
  • 2024$3,396 · 213 payments from 19 companies

Top paying companies in 2025

What the 2025 payments were for

  • Food and Beverage$1,406 · 52 payments

Receiving payments does not imply wrongdoing. What Open Payments covers ·original records

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