Hameem Changezi, M.D.
NPI 1013984269ActiveIndividual· Internal Medicine, Cardiovascular Disease· Flint, MI
Internal Medicine, Cardiovascular Disease (M.D.) with Wilfredo Rivera, M.D., P.C., practicing in Flint, Michigan. Their prescriptions cost Medicare Part D more than their services did: $821,832 for 3,813 claims, against $281,665 paid for services in 2024. Medtronic, Inc. was the largest of 6 companies reporting payments in 2025, $526.72 in all, mostly food and beverage. Lists Beaumont Hospital Royal Oak and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1013984269 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 7, 2006 |
| Last updated in NPPES | Mar 23, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 4301064119 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 727 |
|---|---|
| Services billed | 3,741 across 65 procedure codes |
| Paid by Medicare | $281,665 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,813 · 9,806 30-day fills |
|---|---|
| Patients | 629 |
| Total drug cost | $821,832 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1988 |
|---|---|
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Wilfredo Rivera, M.D., P.C.Flint, MI · 5 clinicians
Hospital affiliations
- Beaumont Hospital Royal OakRoyal Oak, MI
- McLaren FlintFlint, MI
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$526.72 · 8 payments from 6 companies
- 2024$1,503 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $243.73 | 2 |
| Abiomed | $121.45 | 1 |
| Kestra Medical Technology Services, Inc. | $70.74 | 1 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $43.86 | 2 |
| Pfizer Inc. | $32.52 | 1 |
What the 2025 payments were for
- Food and Beverage$526.72 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Cardiovascular Disease providers in Flint
- 1285032458
- 1285670299
- 1437127297
- 1457682247
- 1285673004
- 1275695587
- 1740434851
- 1861615452
- 1700337227
- 1225244619
- 1023005063
- 1114069499
All Internal Medicine, Cardiovascular Disease providers in Michigan →