Mary Katherine Williams, CNM
NPI 1093091175ActiveIndividual· Advanced Practice Midwife· Suffolk, VA
Advanced Practice Midwife (CNM) in Suffolk, Virginia, licensed in VA, with an NPI issued in November 2011. Their prescriptions cost Medicare Part D more than their services did: $3,136 for 70 claims, against $552.78 paid for services in 2024. Abbvie Inc. was the largest of 9 companies reporting payments in 2025, $418.83 in all, mostly food and beverage. Lists Sentara Obici Hospital as a hospital affiliation.
Overview
| NPI | 1093091175 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | CNM |
| Sole proprietor | No |
| NPI issued | Nov 2, 2011 |
| Last updated in NPPES | Feb 7, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Advanced Practice Midwife Primary | 367A00000X | 0001174791 | VA |
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) (VA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 12 |
|---|---|
| Services billed | 15 across 3 procedure codes |
| Paid by Medicare | $552.78 |
Part D prescriptions in 2024
| Prescriptions (claims) | 70 · 108 30-day fills |
|---|---|
| Patients | 23 |
| Total drug cost | $3,136 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2011 |
|---|---|
| Medicare specialty | Certified Nurse Midwife (Cnm) |
Hospital affiliation
- Sentara Obici HospitalSuffolk, VA
Industry payments (Open Payments)
- 2025$418.83 · 17 payments from 9 companies
- 2024$326.42 · 11 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $178.72 | 6 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $95.27 | 4 |
| Biogen, Inc. | $29.57 | 1 |
| Organon LLC | $23.44 | 1 |
| Astellas Pharma US Inc | $23.26 | 1 |
What the 2025 payments were for
- Food and Beverage$418.83 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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