Issac X. Grinberg, MD
NPI 1790768257ActiveIndividual· Internal Medicine, Cardiovascular Disease· Southfield, MI
Internal Medicine, Cardiovascular Disease (MD) with Henry Ford Health Providence Hospital, practicing in Southfield, Michigan. Their prescriptions cost Medicare Part D more than their services did: $685,311 for 4,192 claims, against $136,071 paid for services in 2024. Abbott Laboratories was the largest of 12 companies reporting payments in 2025, $1,854 in all, mostly food and beverage. Lists Ascension Providence Hospital, Southfield and Novi and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1790768257 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2005 |
| Last updated in NPPES | Jan 13, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 4301050938 | MI |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Cardiovascular Disease (Cardiology) (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,015 |
|---|---|
| Services billed | 3,930 across 33 procedure codes |
| Paid by Medicare | $136,071 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,192 · 11,307 30-day fills |
|---|---|
| Patients | 724 |
| Total drug cost | $685,311 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1987 |
|---|---|
| Medicare specialty | Cardiovascular Disease (Cardiology) |
Medical group
- Henry Ford Health Providence HospitalNovi, MI · 375 clinicians
Hospital affiliations
- Ascension Providence Hospital, Southfield and NoviSouthfield, MI
- Henry Ford Health HospitalDetroit, MI
- Henry Ford Health St John HospitalDetroit, MI
Industry payments (Open Payments)
- 2025$1,854 · 31 payments from 12 companies
- 2024$1,180 · 19 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $883.37 | 6 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $204.09 | 3 |
| Kestra Medical Technology Services, Inc. | $178.71 | 2 |
| Medtronic, Inc. | $148.81 | 3 |
| Novartis Pharmaceuticals Corporation | $112.81 | 5 |
What the 2025 payments were for
- Food and Beverage$1,854 · 31 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 53 cardiologists in Southfield · All cardiologists in Michigan