Joel Masami Oyama, FNP-C
NPI 1154915338ActiveIndividual· Nurse Practitioner, Family· Gresham, OR
Nurse Practitioner, Family (FNP-C) with Providence Health and Services Oregon and 2 other groups, practicing in Gresham, Oregon. Their prescriptions cost Medicare Part D more than their services did: $198,951 for 2,664 claims, against $2,004 paid for services in 2024. Merck Sharp & Dohme LLC reported $14.89 in payments in 2025, mostly food and beverage. Lists Legacy Silverton Medical Center as a hospital affiliation.
Overview
| NPI | 1154915338 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP-C |
| Sole proprietor | No |
| NPI issued | Feb 27, 2021 |
| Last updated in NPPES | Jul 7, 2026 |
| Certified by provider | Jul 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 202101694NP-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 | 29 |
|---|---|
| Services billed | 65 across 9 procedure codes |
| Paid by Medicare | $2,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,664 · 4,809 30-day fills |
|---|---|
| Patients | 1,005 |
| Total drug cost | $198,951 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
- Legacy Clinics LLCPortland, OR · 713 clinicians
- Silverton HealthSilverton, OR · 148 clinicians
Hospital affiliation
- Legacy Silverton Medical CenterSilverton, OR
Industry payments (Open Payments)
- 2025$14.89 · 1 payment from 1 company
- 2024$73.69 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $14.89 | 1 |
What the 2025 payments were for
- Food and Beverage$14.89 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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