Joseph G. Mallon, MD
NPI 1407041197ActiveIndividual· Hospitalist· San Francisco, CA
Hospitalist (MD) with Vituity Hospitalists PC, practicing in San Francisco, California. In 2024 Medicare paid $39,128 for 66 patients, and Part D covered 181 of their prescriptions, 81% of them generic. Lists UCSF Health Saint Francis Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1407041197 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 6, 2007 |
| Last updated in NPPES | Dec 8, 2025 |
| Certified by provider | Dec 8, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A97574 | CA |
| Internal Medicine | 207R00000X | A97574 | 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 - Hospitalist (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 418 across 8 procedure codes |
| Paid by Medicare | $39,128 |
Part D prescriptions in 2024
| Prescriptions (claims) | 181 · 234 30-day fills |
|---|---|
| Patients | 45 |
| Total drug cost | $14,103 |
| Generic share | 81% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Vituity Hospitalists PCRedwood City, CA · 79 clinicians
Hospital affiliations
- UCSF Health Saint Francis HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
Other facilities
- Sutter Care at HomeHospice · San Mateo, 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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All 173 hospitalists in San Francisco · All hospitalists in California