Tammam Abdul-Aziz, MD
NPI 1457343816ActiveIndividual· Anesthesiology· Saginaw, MI
Anesthesiology (MD) with A4 of Ohio LLC and 1 other group, practicing in Saginaw, Michigan. Medicare paid $21,941 for services to 238 patients in 2024. Depuy Synthes Sales Inc. was the largest of 3 companies reporting payments in 2025, $110.23 in all, mostly food and beverage. Lists Covenant Medical Center as a hospital affiliation.
Overview
| NPI | 1457343816 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 22, 2005 |
| Last updated in NPPES | Oct 22, 2026 |
| Certified by provider | Oct 22, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology Primary | 207L00000X | 35082201 | OH |
| Anesthesiology | 207L00000X | 4301082970 | 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 - Anesthesiology (MI); Practitioner - Anesthesiology (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 238 |
|---|---|
| Services billed | 261 across 42 procedure codes |
| Paid by Medicare | $21,941 |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Anesthesiology |
Medical groups
- A4 of Ohio LLCMaumee, OH · 33 clinicians
- Saginaw Anesthesia Services, PLLCHancock, MI · 22 clinicians
Hospital affiliation
- Covenant Medical CenterSaginaw, MI
Industry payments (Open Payments)
- 2025$110.23 · 4 payments from 3 companies
- 2024$285.44 · 5 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Depuy Synthes Sales Inc. | $54.03 | 1 |
| Merck Sharp & Dohme LLC | $42.05 | 2 |
| Heron Therapeutics, Inc. | $14.15 | 1 |
What the 2025 payments were for
- Food and Beverage$110.23 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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