Ariana Nassiri, PA-C
NPI 1669063681ActiveIndividual· Physician Assistant· Pleasant Hill, CA
Physician Assistant (PA-C) with UCSF Medical Group Business Services, practicing in Pleasant Hill, California. 198 Medicare patients in 2024, $24,326 paid; all of their 316 Part D prescriptions were generic. Madrigal Pharmaceuticals was the largest of 3 companies reporting payments in 2025, $264.84 in all, mostly food and beverage. Lists Adventist Health Sonora and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1669063681 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | Yes |
| NPI issued | Feb 2, 2021 |
| Last updated in NPPES | Mar 25, 2021 |
| Certified by provider | Mar 25, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | PA58882 | 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 | 198 |
|---|---|
| Services billed | 368 across 15 procedure codes |
| Paid by Medicare | $24,326 |
Part D prescriptions in 2024
| Prescriptions (claims) | 316 · 328 30-day fills |
|---|---|
| Patients | 114 |
| Total drug cost | $3,666 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Marinhealth Medical CenterGreenbrae, CA
- Providence Queen of the Valley Medical CenterNapa, CA
- UCSF Health St. Mary's HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$264.84 · 3 payments from 3 companies
- 2024$1,518 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $129.87 | 1 |
| Vertex Pharmaceuticals Incorporated | $110.58 | 1 |
| Si-Bone, Inc. | $24.39 | 1 |
What the 2025 payments were for
- Food and Beverage$264.84 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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