Asad U. Zaman, M.D.
NPI 1780636944ActiveIndividual· Internal Medicine· Tinley Park, IL
Internal Medicine (M.D.) in Tinley Park, Illinois, licensed in IL, with an NPI issued in May 2006. Part D covered 38,007 prescriptions written in 2024, 81% of them generic. Novo Nordisk Inc reported $124.98 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1780636944 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 16, 2006 |
| Last updated in NPPES | Dec 7, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036-090371 | IL |
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 - Internal Medicine (IL); Practitioner - Internal Medicine (IN) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 38,007 · 38,223 30-day fills |
|---|---|
| Patients | 979 |
| Total drug cost | $2,957,382 |
| Generic share | 81% of claims |
Industry payments (Open Payments)
- 2025$124.98 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $124.98 | 1 |
What the 2025 payments were for
- Food and Beverage$124.98 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Tinley Park · All internal medicine physicians in Illinois