Tanveer Ahmad, MD
NPI 1093811374ActiveIndividual· Internal Medicine· Marengo, IL
Internal Medicine (MD) in Marengo, Illinois, licensed in IL, with an NPI issued in September 2006. Their prescriptions cost Medicare Part D more than their services did: $811,253 for 10,662 claims, against $164,118 paid for services in 2024. Novo Nordisk Inc was the largest of 6 companies reporting payments in 2025, $238.73 in all, mostly food and beverage. Lists Northwestern Medicine Central Dupage Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1093811374 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 15, 2006 |
| Last updated in NPPES | Feb 7, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 036072630 | 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) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 207 |
|---|---|
| Services billed | 2,542 across 46 procedure codes |
| Paid by Medicare | $164,118 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,662 · 13,821 30-day fills |
|---|---|
| Patients | 249 |
| Total drug cost | $811,253 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1980 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliations
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Northwestern Medicine McHenryMcHenry, IL
Other facilities
- Care Solutions, IncHome health agency · Crystal Lake, IL
- Empower Home Health ServicesHome health agency · West Dundee, IL
- Journeycare - BarringtonHospice · Barrington, IL
- Kindred HospiceHospice · Arlington Heights, IL
- Florence Nursing HomeNursing home · Marengo, IL
Industry payments (Open Payments)
- 2025$238.73 · 7 payments from 6 companies
- 2024$243.37 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $118.35 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $37.55 | 2 |
| Exact Sciences Corporation | $24.72 | 1 |
| Abbvie Inc. | $21.14 | 1 |
| Pfizer Inc. | $19.49 | 1 |
What the 2025 payments were for
- Food and Beverage$238.73 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Marengo
- 1790078111
- 1003832189
- 1881610962