Olga Grigorieva Olson, M.D. PH.D.
NPI 1780046243ActiveIndividual· Hospitalist· San Luis Obispo, CA
Hospitalist (M.D. PH.D.) with Galen Inpatient Physicians PC and 1 other group, practicing in San Luis Obispo, California. In 2024 Medicare paid $106,669 for 521 patients, and Part D covered 227 of their prescriptions, 84% of them generic. Lists Adventist Health Sierra Vista and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1780046243 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. PH.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2016 |
| Last updated in NPPES | Jul 30, 2020 |
| Certified by provider | Jul 30, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A162175 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 521 |
|---|---|
| Services billed | 1,308 across 7 procedure codes |
| Paid by Medicare | $106,669 |
Part D prescriptions in 2024
| Prescriptions (claims) | 227 · 261 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $15,491 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical groups
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
- Vituity Hospitalists PCRedwood City, CA · 79 clinicians
Hospital affiliations
- Adventist Health Sierra VistaSan Luis Obispo, CA
- Adventist Health Twin CitiesTempleton, CA
- French Hospital Medical CenterSan Luis Obispo, CA
- Marian Regional Medical CenterSanta Maria, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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