Robert Thomas Santos, M.D.
NPI 1356340384ActiveIndividual· Internal Medicine· Pleasanton, CA
Internal Medicine (M.D.) in Pleasanton, California, trained at George Washington University School of Medicine (class of 1978). In 2024 Medicare paid $39,514 for 266 patients, and Part D covered 250 of their prescriptions, 86% of them generic.
Overview
| NPI | 1356340384 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 20, 2005 |
| Last updated in NPPES | Sep 22, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G40697 | 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 | 266 |
|---|---|
| Services billed | 364 across 24 procedure codes |
| Paid by Medicare | $39,514 |
Part D prescriptions in 2024
| Prescriptions (claims) | 250 · 435 30-day fills |
|---|---|
| Patients | 136 |
| Total drug cost | $16,107 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1978 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Otolaryngology |
| Telehealth | Offers telehealth |
Medical group
- University Healthcare AlliancePleasanton, CA · 327 clinicians
Hospital affiliations
- Stanford Health CareStanford, CA
- Stanford Health Care Tri-ValleyPleasanton, CA
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Pleasanton
- 1205141322
- 1245347608
- 1265432967
- 1578658795
- 1700882727
- 1710119003
- 1710902499
- 1801910138
- 1821067547
- 1841466471
- 1104904283
- 1134395775
All 71 internal medicine physicians in Pleasanton · All internal medicine physicians in California