John Joseph Gribar, M.D., M HSC.
NPI 1770600462ActiveIndividual· Internal Medicine, Interventional Cardiology· Holland, MI
Internal Medicine, Interventional Cardiology (M.D., M HSC.) in Holland, Michigan, trained at Jefferson Medical College of Thomas Jefferson University (class of 2004). Their prescriptions cost Medicare Part D more than their services did: $833,216 for 4,108 claims, against $58,466 paid for services in 2024. Stryker Corporation was the largest of 6 companies reporting payments in 2025, $563.01 in all, mostly food and beverage.
Overview
| NPI | 1770600462 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D., M HSC. |
| Sole proprietor | No |
| NPI issued | Mar 26, 2007 |
| Last updated in NPPES | Mar 4, 2021 |
| Certified by provider | Mar 4, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Interventional Cardiology Primary | 207RI0011X | 4301083655 | MI |
| Internal Medicine, Cardiovascular Disease | 207RC0000X | 4301083655 | 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 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 376 |
|---|---|
| Services billed | 829 across 68 procedure codes |
| Paid by Medicare | $58,466 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,108 · 10,557 30-day fills |
|---|---|
| Patients | 762 |
| Total drug cost | $833,216 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Jefferson Medical College of Thomas Jefferson University |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Interventional Cardiology |
| Secondary specialties | Cardiovascular Disease (Cardiology) |
Medical group
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
Hospital affiliations
- Corewell Health Gerber HospitalFremont, MI
- Corewell Health Ludington HospitalLudington, MI
- Corewell Health Zeeland HospitalZeeland, MI
- Holland HospitalHolland, MI
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$563.01 · 19 payments from 6 companies
- 2024$279.89 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Stryker Corporation | $244.95 | 12 |
| Abiomed | $141.53 | 2 |
| Medtronic, Inc. | $92.10 | 2 |
| Becton, Dickinson and Company | $35.74 | 1 |
| Inari Medical, Inc. | $27.59 | 1 |
What the 2025 payments were for
- Food and Beverage$563.01 · 19 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine, Interventional Cardiology providers in Holland
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All Internal Medicine, Interventional Cardiology providers in Michigan →