Mary Margaret Farnham, ARNP
NPI 1821206418ActiveIndividual· Registered Nurse· Bellevue, WA
Registered Nurse (ARNP) with Overlake Medical Clinics LLC, practicing in Bellevue, Washington. Their prescriptions cost Medicare Part D more than their services did: $463,773 for 784 claims, against $34,761 paid for services in 2024. Biowound Solutions, Inc. reported $24.54 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1821206418 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | May 18, 2007 |
| Last updated in NPPES | Feb 25, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Registered Nurse Primary | 163W00000X | AP60115689 | WA |
| Registered Nurse, Community Health | 163WC1500X | RN00053517 | WA |
| Nurse Practitioner, Women's Health | 363LW0102X | AP60115689 | WA |
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 (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 342 |
|---|---|
| Services billed | 501 across 14 procedure codes |
| Paid by Medicare | $34,761 |
Part D prescriptions in 2024
| Prescriptions (claims) | 784 · 1,740 30-day fills |
|---|---|
| Patients | 258 |
| Total drug cost | $463,773 |
| Generic share | 48% of claims |
Education and affiliations
| Graduation year | 2009 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Overlake Medical Clinics LLCBellevue, WA · 425 clinicians
Industry payments (Open Payments)
- 2025$24.54 · 1 payment from 1 company
- 2024$41.96 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Biowound Solutions, Inc. | $24.54 | 1 |
What the 2025 payments were for
- Food and Beverage$24.54 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 60 registered nurses in Bellevue · All registered nurses in Washington