Olivia Kamayangi, M.D.
NPI 1437312766ActiveIndividual· Family Medicine· Lake Oswego, OR
Family Medicine (M.D.) with Providence Health and Services Oregon and 1 other group, practicing in Lake Oswego, Oregon. Their prescriptions cost Medicare Part D more than their services did: $131,264 for 2,793 claims, against $26,235 paid for services in 2024. Exact Sciences Corporation reported $122.29 in payments in 2025, mostly food and beverage. Lists Legacy Meridian Park Medical Center and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1437312766 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 7, 2008 |
| Last updated in NPPES | Mar 18, 2021 |
| Certified by provider | Mar 18, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | MD154020 | OR |
| Family Medicine | 207Q00000X | 4301091621 | MI |
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 - Family Practice (OR) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 183 |
|---|---|
| Services billed | 695 across 31 procedure codes |
| Paid by Medicare | $26,235 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,793 · 6,215 30-day fills |
|---|---|
| Patients | 296 |
| Total drug cost | $131,264 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Family Practice |
| Telehealth | Offers telehealth |
Medical groups
- Providence Health and Services OregonPortland, OR · 1,433 clinicians
- Providence Health and Services - OregonPortland, OR · 208 clinicians
Hospital affiliations
- Legacy Meridian Park Medical CenterTualatin, OR
- Providence Portland Medical CenterPortland, OR
- Providence St Vincent Medical CenterPortland, OR
- Providence Willamette Falls Medical CenterOregon City, OR
Industry payments (Open Payments)
- 2025$122.29 · 1 payment from 1 company
- 2024$137.96 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Exact Sciences Corporation | $122.29 | 1 |
What the 2025 payments were for
- Food and Beverage$122.29 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 32 family medicine physicians in Lake Oswego · All family medicine physicians in Oregon