Susan Diaz, NP
NPI 1962650754ActiveIndividual· Nurse Practitioner, Pediatrics· San Francisco, CA
Nurse Practitioner, Pediatrics (NP) with UCSF Medical Group Business Services, practicing in San Francisco, California. Their prescriptions cost Medicare Part D more than their services did: $161,477 for 583 claims, against $41,071 paid for services in 2024. Vifor Pharma, Inc. was the largest of 3 companies reporting payments in 2025, $235.45 in all, mostly food and beverage. Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1962650754 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | Yes |
| NPI issued | Sep 4, 2008 |
| Last updated in NPPES | Sep 4, 2008 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Pediatrics Primary | 363LP0200X | 495729 | CA |
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 - Nurse Practitioner (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 70 |
|---|---|
| Services billed | 551 across 9 procedure codes |
| Paid by Medicare | $41,071 |
Part D prescriptions in 2024
| Prescriptions (claims) | 583 · 794 30-day fills |
|---|---|
| Patients | 84 |
| Total drug cost | $161,477 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$235.45 · 3 payments from 3 companies
- 2024$99.99 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $119.23 | 1 |
| Alexion Pharmaceuticals, Inc. | $99.99 | 1 |
| Pharmacosmos Therapeutics Inc. | $16.23 | 1 |
What the 2025 payments were for
- Food and Beverage$135.46 · 2 payments
- Education$99.99 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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