Margaret Michele Williams, DNP(C) CRNP, OCN
NPI 1831553585ActiveIndividual· Nurse Practitioner· Easton, MD
Nurse Practitioner (DNP(C) CRNP, OCN) with American Oncology Partners PA, practicing in Easton, Maryland. In 2024 Medicare paid $525,531 for 489 patients, and Part D covered 303 of their prescriptions, 80% of them generic. Novartis Pharmaceuticals Corporation was the largest of 35 companies reporting payments in 2025, $3,172 in all, mostly food and beverage. Lists Luminis Health Anne Arundel Medical Center, Inc and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1831553585 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP(C) CRNP, OCN |
| Sole proprietor | No |
| NPI issued | Apr 8, 2016 |
| Last updated in NPPES | May 14, 2024 |
| Certified by provider | May 14, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | R111860 | MD |
| Nurse Practitioner, Adult Health | 363LA2200X | R111860 | MD |
| Nurse Practitioner, Gerontology | 363LG0600X | R111860 | MD |
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 - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 489 |
|---|---|
| Services billed | 79,638 across 88 procedure codes |
| Paid by Medicare | $525,531 |
Part D prescriptions in 2024
| Prescriptions (claims) | 303 · 352 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $49,169 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- American Oncology Partners PAFort Wayne, IN · 391 clinicians
Hospital affiliations
- Luminis Health Anne Arundel Medical Center, IncAnnapolis, MD
- University of MD Shore Medical Center at EastonEaston, MD
- University of MD Shore Medical Ctr at ChestertownChestertown, MD
Other facilities
- Talbot Hospice Foundation, IncHospice · Easton, MD
Industry payments (Open Payments)
- 2025$3,172 · 93 payments from 35 companies
- 2024$3,526 · 78 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $521.67 | 17 |
| Astrazeneca Pharmaceuticals LP | $384.79 | 14 |
| Janssen Biotech, Inc. | $270.02 | 7 |
| Glaxosmithkline, LLC. | $226.11 | 3 |
| Merck Sharp & Dohme LLC | $192.37 | 6 |
What the 2025 payments were for
- Food and Beverage$2,698 · 88 payments
- Long term medical supply or device loan$282.73 · 3 payments
- Education$190.95 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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