John George Ghanem, M.D.
NPI 1255628442ActiveIndividual· Anesthesiology· Detroit, MI
Anesthesiology (M.D.) with Anesthesia Services Associates PC, practicing in Detroit, Michigan. Medicare paid $42,105 for services to 398 patients in 2024. Merck Sharp & Dohme LLC reported $22.41 in payments in 2025, mostly food and beverage. Lists Henry Ford Health Warren Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255628442 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 7, 2011 |
| Last updated in NPPES | Oct 15, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 4301099377 | 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 - Anesthesiology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 398 |
|---|---|
| Services billed | 478 across 90 procedure codes |
| Paid by Medicare | $42,105 |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical group
- Anesthesia Services Associates PCRochester, MI · 69 clinicians
Hospital affiliations
- Henry Ford Health Warren HospitalWarren, MI
- McLaren MacombMount Clemens, MI
- McLaren Port HuronPort Huron, MI
Industry payments (Open Payments)
- 2025$22.41 · 1 payment from 1 company
- 2024$64.77 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $22.41 | 1 |
What the 2025 payments were for
- Food and Beverage$22.41 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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