Robert Alan Feren, M.D.
NPI 1851453104ActiveIndividual· Hospitalist· Walnut Creek, CA
Hospitalist (M.D.) in Walnut Creek, California, trained at George Washington University School of Medicine (class of 2002). In 2024 Medicare paid $125,257 for 351 patients, and Part D covered 314 of their prescriptions, 89% of them generic. Smith+nephew, Inc. reported $24.95 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1851453104 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 14, 2006 |
| Last updated in NPPES | Sep 28, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A89317 | CA |
| Internal Medicine | 207R00000X | A89317 | 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 | 351 |
|---|---|
| Services billed | 1,256 across 10 procedure codes |
| Paid by Medicare | $125,257 |
Part D prescriptions in 2024
| Prescriptions (claims) | 314 · 339 30-day fills |
|---|---|
| Patients | 149 |
| Total drug cost | $18,249 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Galen Inpatient Physicians PCHanford, CA · 1,077 clinicians
Hospital affiliations
- Adventist Health SonoraSonora, CA
- Doctors Medical CenterModesto, CA
Industry payments (Open Payments)
- 2025$24.95 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Smith+nephew, Inc. | $24.95 | 1 |
What the 2025 payments were for
- Food and Beverage$24.95 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 72 hospitalists in Walnut Creek · All hospitalists in California