Sabrina Chang
NPI 1497378970ActiveIndividual· Physician Assistant· Vallejo, CA
Physician Assistant with University of California San Francisco, practicing in Vallejo, California. Their prescriptions cost Medicare Part D more than their services did: $103,714 for 1,073 claims, against $5,219 paid for services in 2024. Aurinia Pharma U.S., Inc. was the largest of 11 companies reporting payments in 2025, $699.68 in all, mostly food and beverage. Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1497378970 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | May 19, 2020 |
| Last updated in NPPES | Apr 20, 2022 |
| Certified by provider | Apr 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 85 |
|---|---|
| Services billed | 397 across 32 procedure codes |
| Paid by Medicare | $5,219 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,073 · 2,326 30-day fills |
|---|---|
| Patients | 238 |
| Total drug cost | $103,714 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$699.68 · 26 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aurinia Pharma U.S., Inc. | $206.95 | 8 |
| Alnylam Pharmaceuticals Inc. | $101.90 | 4 |
| Astrazeneca Pharmaceuticals LP | $95.86 | 2 |
| Novartis Pharmaceuticals Corporation | $94.58 | 4 |
| Calliditas Therapeutics US Inc. | $46.00 | 2 |
What the 2025 payments were for
- Food and Beverage$699.68 · 26 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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