Diane S. Osborn, ARNP
NPI 1205039641ActiveIndividual· Nurse Practitioner, Adult Health· Portland, OR
Nurse Practitioner, Adult Health (ARNP) in Portland, Oregon, trained at University of Washington School of Medicine (class of 2006). Their prescriptions cost Medicare Part D more than their services did: $1,955,033 for 2,706 claims, against $35,561 paid for services in 2024. Amgen Inc. was the largest of 5 companies reporting payments in 2025, $594.07 in all, mostly food and beverage.
Overview
| NPI | 1205039641 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | ARNP |
| Sole proprietor | No |
| NPI issued | Jun 5, 2007 |
| Last updated in NPPES | Feb 14, 2020 |
| Certified by provider | Feb 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Adult Health Primary | 363LA2200X | 201910932NP-PP | OR |
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 (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 262 |
|---|---|
| Services billed | 678 across 11 procedure codes |
| Paid by Medicare | $35,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,706 · 6,508 30-day fills |
|---|---|
| Patients | 408 |
| Total drug cost | $1,955,033 |
| Generic share | 43% of claims |
Education and affiliations
| Medical school | University of Washington School of Medicine |
|---|---|
| Graduation year | 2006 |
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- University Professional ServicesBeaverton, OR · 1,724 clinicians
Hospital affiliations
- Good Samaritan Regional Medical CenterCorvallis, OR
- Ohsu Hospital and ClinicsPortland, OR
Industry payments (Open Payments)
- 2025$594.07 · 8 payments from 5 companies
- 2024$315.18 · 4 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $278.90 | 2 |
| Novo Nordisk Inc | $109.06 | 2 |
| Madrigal Pharmaceuticals | $83.02 | 1 |
| Esperion Therapeutics, Inc. | $76.23 | 2 |
| Novartis Pharmaceuticals Corporation | $46.86 | 1 |
What the 2025 payments were for
- Food and Beverage$594.07 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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