Katherine Renfer, DO
NPI 1134571763ActiveIndividual· Family Medicine· Alma, MI
Family Medicine (DO) in Alma, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 2016). Part D covered 120 prescriptions written in 2024, 98% of them generic. Astellas Pharma US Inc was the largest of 3 companies reporting payments in 2025, $146.32 in all, mostly education.
Overview
| NPI | 1134571763 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jul 7, 2016 |
| Last updated in NPPES | Jan 23, 2026 |
| Certified by provider | Jan 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 5101028738 | MI |
| Family Medicine | 207Q00000X | 4067 | TN |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 120 · 129 30-day fills |
|---|---|
| Total drug cost | $2,875 |
| Generic share | 98% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2016 |
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical group
- Sacred Heart Mercy Health Care CenterAlma, MI · 7 clinicians
Hospital affiliations
- Mymichigan Medical Center AlmaAlma, MI
- Mymichigan Medical Center ClareClare, MI
Other facilities
- The Care TeamHome health agency · Saginaw, MI
Industry payments (Open Payments)
- 2025$146.32 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astellas Pharma US Inc | $109.53 | 2 |
| E.R. Squibb & Sons, L.L.C. | $18.87 | 1 |
| Lilly USA, LLC | $17.92 | 1 |
What the 2025 payments were for
- Education$93.95 · 1 payment
- Food and Beverage$52.37 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 43 family medicine physicians in Alma · All family medicine physicians in Michigan