Robert Joseph Weber, MD, PHD
NPI 1497217913ActiveIndividual· Internal Medicine· Palo Alto, CA
Internal Medicine (MD, PHD) with University of California San Francisco and 2 other groups, practicing in Palo Alto, California. Their prescriptions cost Medicare Part D more than their services did: $74,253 for 121 claims, against $2,974 paid for services in 2024. E.R. Squibb & Sons, L.L.C. was the largest of 4 companies reporting payments in 2025, $386.96 in all, mostly food and beverage. Lists UCSF Health St. Mary's Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1497217913 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD, PHD |
| Sole proprietor | No |
| NPI issued | Apr 3, 2019 |
| Last updated in NPPES | Feb 2, 2024 |
| Certified by provider | Feb 2, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A177781 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 26 across 6 procedure codes |
| Paid by Medicare | $2,974 |
Part D prescriptions in 2024
| Prescriptions (claims) | 121 · 191 30-day fills |
|---|---|
| Patients | 27 |
| Total drug cost | $74,253 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- University of California San FranciscoSan Francisco, CA · 1,839 clinicians
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
- Regents of the University of CaliforniaSan Francisco, CA · 732 clinicians
Hospital affiliations
- UCSF Health St. Mary's HospitalSan Francisco, CA
- UCSF Medical CenterSan Francisco, CA
- Zuckerberg San Francisco General Hosp & Trauma CtrSan Francisco, CA
Industry payments (Open Payments)
- 2025$386.96 · 7 payments from 4 companies
- 2024$114.10 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $135.00 | 1 |
| Astrazeneca Pharmaceuticals LP | $117.65 | 1 |
| Eisai Inc. | $112.49 | 4 |
| Genentech USA, Inc. | $21.82 | 1 |
What the 2025 payments were for
- Food and Beverage$386.96 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 196 internal medicine physicians in Palo Alto · All internal medicine physicians in California