Marina Ortega, PHYSICIAN ASSISTANT
NPI 1316309438ActiveIndividual· Physician Assistant· Petaluma, CA
Physician Assistant (PHYSICIAN ASSISTANT) with University of California San Francisco and 2 other groups, practicing in Petaluma, California. In 2024 Medicare paid $16,624 for 120 patients, and Part D covered 208 of their prescriptions, 56% of them generic. Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1316309438 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PHYSICIAN ASSISTANT |
| Sole proprietor | No |
| NPI issued | Mar 28, 2016 |
| Last updated in NPPES | Mar 28, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 53304 | CA |
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 (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 334 across 11 procedure codes |
| Paid by Medicare | $16,624 |
Part D prescriptions in 2024
| Prescriptions (claims) | 208 · 554 30-day fills |
|---|---|
| Patients | 76 |
| Total drug cost | $3,994 |
| Generic share | 56% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- UCSF Dept of SurgerySan Francisco, CA · 215 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, 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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