Katherine Zwack French, DO
NPI 1306952791ActiveIndividual· Family Medicine· Clarkston, MI
Family Medicine (DO) in Clarkston, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $821,252 for 8,025 claims, against $86,695 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $1,599 in all, mostly food and beverage.
Overview
| NPI | 1306952791 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Aug 21, 2006 |
| Last updated in NPPES | Aug 1, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101012068 | 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 - Family Practice (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 235 |
|---|---|
| Services billed | 1,629 across 49 procedure codes |
| Paid by Medicare | $86,695 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,025 · 19,178 30-day fills |
|---|---|
| Patients | 536 |
| Total drug cost | $821,252 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Michigan Healthcare Professionals PCClarkston, MI · 529 clinicians
- McLaren Community Based Primary Care GroupClarkston, MI · 56 clinicians
Hospital affiliations
- Ascension Providence Rochester HospitalRochester, MI
- Beaumont Hospital, TroyTroy, MI
- Henry Ford Health HospitalDetroit, MI
- McLaren OaklandPontiac, MI
- Trinity Health Oakland HospitalPontiac, MI
Industry payments (Open Payments)
- 2025$1,599 · 91 payments from 17 companies
- 2024$1,180 · 90 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $274.67 | 16 |
| Novo Nordisk Inc | $239.30 | 15 |
| Pfizer Inc. | $182.21 | 11 |
| Lilly USA, LLC | $178.18 | 9 |
| Amgen Inc. | $166.91 | 11 |
What the 2025 payments were for
- Food and Beverage$1,599 · 91 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family medicine physicians in Clarkston
- 1033117890
- 1083062681
- 1255310397
- 1407233182
- 1407977200
- 1457888588
- 1528419199
- 1568564367
- 1568843142
- 1629067541
- 1669047858
- 1689624058
All 50 family medicine physicians in Clarkston · All family medicine physicians in Michigan