Mary Petrofsky, NP
NPI 1013220359ActiveIndividual· Nurse Practitioner, Acute Care· San Francisco, CA
Nurse Practitioner, Acute Care (NP) with UCSF Medical Group Business Services, practicing in San Francisco, California. Mostly services rather than prescriptions: Medicare paid $5,928 for 17 patients in 2024, with only 11 Part D claims. Gilead Sciences, Inc. reported $220.39 in payments in 2025, mostly food and beverage. Lists Peninsula Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1013220359 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Jul 15, 2010 |
| Last updated in NPPES | Aug 6, 2023 |
| Certified by provider | Aug 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Acute Care Primary | 363LA2100X | NP 18337 | CA |
| Nurse Practitioner | 363L00000X | NP 18337 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 17 |
|---|---|
| Services billed | 100 across 5 procedure codes |
| Paid by Medicare | $5,928 |
Part D prescriptions in 2024
| Prescriptions (claims) | 11 · 19 30-day fills |
|---|---|
| Total drug cost | $1,318 |
| Generic share | 100% of claims |
Education and affiliations
| Graduation year | 2008 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliations
- Peninsula Medical CenterBurlingame, CA
- Sequoia HospitalRedwood City, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$220.39 · 2 payments from 1 company
- 2024$27.10 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Gilead Sciences, Inc. | $220.39 | 2 |
What the 2025 payments were for
- Food and Beverage$124.44 · 1 payment
- Education$95.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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