Gary S. Kwartowitz, D.O.
NPI 1003924820ActiveIndividual· Otolaryngology· Clarkston, MI
Otolaryngology (D.O.) in Clarkston, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1993). 330 Medicare patients in 2024, $50,469 paid; nearly all of their 536 Part D prescriptions were generic (96%). Integra Lifesciences Corporation was the largest of 4 companies reporting payments in 2025, $540.37 in all, mostly food and beverage.
Overview
| NPI | 1003924820 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 29, 2006 |
| Last updated in NPPES | Dec 16, 2009 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Otolaryngology Primary | 207Y00000X | GK012039 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Otolaryngology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 330 |
|---|---|
| Services billed | 1,047 across 47 procedure codes |
| Paid by Medicare | $50,469 |
Part D prescriptions in 2024
| Prescriptions (claims) | 536 · 715 30-day fills |
|---|---|
| Patients | 236 |
| Total drug cost | $9,196 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Otolaryngology |
Medical group
- North Oakland Ear Nose and Throat Centers PCClarkston, MI · 3 clinicians
Hospital affiliations
- McLaren OaklandPontiac, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$540.37 · 7 payments from 4 companies
- 2024$337.05 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Integra Lifesciences Corporation | $222.50 | 4 |
| Stryker Corporation | $149.94 | 1 |
| Ets Wound Care LLC | $148.61 | 1 |
| Regeneron Healthcare Solutions, Inc. | $19.32 | 1 |
What the 2025 payments were for
- Food and Beverage$540.37 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Otolaryngology providers in Clarkston
- 1013026855
- 1518076348
- 1700994530