Narin Tanir-Avci, M.D.
NPI 1598733693ActiveIndividual· Internal Medicine· Clarkston, MI
Internal Medicine (M.D.) in Clarkston, Michigan, licensed in MI, with an NPI issued in March 2006. Their prescriptions cost Medicare Part D more than their services did: $1,390,888 for 13,029 claims, against $93,969 paid for services in 2024. Novo Nordisk Inc was the largest of 17 companies reporting payments in 2025, $1,419 in all, mostly food and beverage. Lists Ascension Providence Rochester Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1598733693 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Mar 14, 2006 |
| Last updated in NPPES | Jul 16, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301060849 | 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 - Internal Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 211 |
|---|---|
| Services billed | 1,681 across 43 procedure codes |
| Paid by Medicare | $93,969 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,029 · 26,132 30-day fills |
|---|---|
| Patients | 561 |
| Total drug cost | $1,390,888 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
Hospital affiliations
- Ascension Providence Rochester HospitalRochester, MI
- McLaren OaklandPontiac, MI
- Northwestern Medicine Central Dupage HospitalWinfield, IL
- Trinity Health Oakland HospitalPontiac, MI
Other facilities
- Elara CaringHome health agency · Jackson, MI
Industry payments (Open Payments)
- 2025$1,419 · 91 payments from 17 companies
- 2024$1,051 · 70 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $306.76 | 18 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $270.39 | 23 |
| Astrazeneca Pharmaceuticals LP | $169.77 | 14 |
| Lilly USA, LLC | $107.27 | 6 |
| Astellas Pharma US Inc | $90.43 | 5 |
What the 2025 payments were for
- Food and Beverage$1,419 · 91 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 30 internal medicine physicians in Clarkston · All internal medicine physicians in Michigan