Diana J. McFarlane, PA-C
NPI 1336113885ActiveIndividual· Physician Assistant, Medical· Seattle, WA
Physician Assistant, Medical (PA-C) with Virginia Mason Medical Center, practicing in Seattle, Washington. Their prescriptions cost Medicare Part D more than their services did: $633,798 for 1,314 claims, against $46,856 paid for services in 2024. Enterra Medical, Inc. was the largest of 5 companies reporting payments in 2025, $44,398 in all, mostly consulting fees. Lists Virginia Mason Medical Center as a hospital affiliation.
Overview
| NPI | 1336113885 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 13, 2006 |
| Last updated in NPPES | Dec 31, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant, Medical Primary | 363AM0700X | PA10004893 | WA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Physician Assistant (WA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 219 |
|---|---|
| Services billed | 1,116 across 35 procedure codes |
| Paid by Medicare | $46,856 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,314 · 1,816 30-day fills |
|---|---|
| Patients | 194 |
| Total drug cost | $633,798 |
| Generic share | 75% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Virginia Mason Medical CenterSeattle, WA · 867 clinicians
Hospital affiliation
- Virginia Mason Medical CenterSeattle, WA
Industry payments (Open Payments)
- 2025$44,398 · 53 payments from 5 companies
- 2024$48,390 · 49 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Enterra Medical, Inc. | $36,488 | 34 |
| Ardelyx, Inc. | $7,770 | 16 |
| Ferring Pharmaceuticals Inc. | $78.31 | 1 |
| Genzyme Corporation | $34.29 | 1 |
| Regeneron Healthcare Solutions, Inc. | $27.27 | 1 |
What the 2025 payments were for
- Consulting Fee$31,750 · 9 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$6,500 · 6 payments
- Travel and Lodging$3,413 · 12 payments
- Food and Beverage$2,734 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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