Mary Katherine Williams, CNM
NPI 1578807673ActiveIndividual· Advanced Practice Midwife· Green Bay, WI
Advanced Practice Midwife (CNM) with St Vincent Hospital-Hospital Sisters-Third Order of St Francis, practicing in Green Bay, Wisconsin. Part D covered 54 prescriptions written in 2024, 94% of them generic. Hologic Sales and Service, LLC was the largest of 4 companies reporting payments in 2025, $392.00 in all, mostly food and beverage. Lists St Vincent Hospital as a hospital affiliation.
Overview
| NPI | 1578807673 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNM |
| Sole proprietor | No |
| NPI issued | Nov 15, 2012 |
| Last updated in NPPES | Sep 21, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Advanced Practice Midwife Primary | 367A00000X | 148871-32 | WI |
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 - Certified Nurse Midwife (Cnm) (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 54 · 74 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $3,079 |
| Generic share | 94% of claims |
Education and affiliations
| Graduation year | 2012 |
|---|---|
| Medicare specialty | Certified Nurse Midwife (Cnm) |
Medical group
- St Vincent Hospital-Hospital Sisters-Third Order of St FrancisGreen Bay, WI · 603 clinicians
Hospital affiliation
- St Vincent HospitalGreen Bay, WI
Industry payments (Open Payments)
- 2025$392.00 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Hologic Sales and Service, LLC | $140.52 | 1 |
| Baxter Healthcare | $110.57 | 1 |
| Intuitive Surgical, Inc. | $90.91 | 1 |
| Conmed Corporation | $50.00 | 1 |
What the 2025 payments were for
- Food and Beverage$392.00 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 certified nurse midwives in Green Bay · All certified nurse midwives in Wisconsin