Katherine McCormick, M.D
NPI 1093147241ActiveIndividual· Obstetrics & Gynecology· Muskegon, MI
Obstetrics & Gynecology (M.D) with Mercy Health Partners-Obstetrics and Gynecology Specialist, practicing in Muskegon, Michigan. In 2024 Medicare paid $8,677 for 36 patients, and Part D covered 150 of their prescriptions, 83% of them generic. Exeltis, USA Inc. was the largest of 7 companies reporting payments in 2025, $231.58 in all, mostly food and beverage. Lists Trinity Health Muskegon Hospital as a hospital affiliation.
Overview
| NPI | 1093147241 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D |
| Sole proprietor | No |
| NPI issued | Jul 30, 2013 |
| Last updated in NPPES | Aug 22, 2022 |
| Certified by provider | Aug 22, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Obstetrics & Gynecology Primary | 207V00000X | 4301103902 | 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 - Obstetrics/Gynecology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 36 |
|---|---|
| Services billed | 98 across 28 procedure codes |
| Paid by Medicare | $8,677 |
Part D prescriptions in 2024
| Prescriptions (claims) | 150 · 231 30-day fills |
|---|---|
| Patients | 50 |
| Total drug cost | $12,455 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Obstetrics/Gynecology |
Medical group
- Mercy Health Partners-Obstetrics and Gynecology SpecialistMuskegon, MI · 7 clinicians
Hospital affiliation
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$231.58 · 11 payments from 7 companies
- 2024$506.23 · 24 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exeltis, USA Inc. | $60.13 | 3 |
| Biogen, Inc. | $47.75 | 2 |
| Organon LLC | $40.54 | 2 |
| Astellas Pharma US Inc | $27.98 | 1 |
| Merck Sharp & Dohme LLC | $20.14 | 1 |
What the 2025 payments were for
- Food and Beverage$231.58 · 11 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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