William James Deardorff
NPI 1003348830ActiveIndividual· Internal Medicine, Geriatric Medicine· San Francisco, CA
Internal Medicine, Geriatric Medicine with Regents of the University of California, practicing in San Francisco, California. 133 Medicare patients in 2024, $27,923 paid; nearly all of their 893 Part D prescriptions were generic (93%). Lists UCSF Medical Center as a hospital affiliation.
Overview
| NPI | 1003348830 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 30, 2017 |
| Last updated in NPPES | Jul 15, 2024 |
| Certified by provider | Jul 8, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Geriatric Medicine Primary | 207RG0300X | A169642 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Geriatric Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 133 |
|---|---|
| Services billed | 245 across 14 procedure codes |
| Paid by Medicare | $27,923 |
Part D prescriptions in 2024
| Prescriptions (claims) | 893 · 899 30-day fills |
|---|---|
| Patients | 48 |
| Total drug cost | $32,667 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Geriatric Medicine |
Medical group
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliation
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Jewish Home & Rehab Center D/P SnfNursing home · San 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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