Pei-Fen Lin, MD
NPI 1740429885ActiveIndividual· Hospitalist· Castro Valley, CA
Hospitalist (MD) in Castro Valley, California, trained at Indiana University School of Medicine (class of 2008). In 2024 Medicare paid $82,940 for 354 patients, and Part D covered 246 of their prescriptions, 79% of them generic.
Overview
| NPI | 1740429885 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 12, 2009 |
| Last updated in NPPES | May 9, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | A110396 | CA |
| Internal Medicine | 207R00000X | A110396 | 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 - Other (Physician) (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 354 |
|---|---|
| Services billed | 748 across 8 procedure codes |
| Paid by Medicare | $82,940 |
Part D prescriptions in 2024
| Prescriptions (claims) | 246 · 269 30-day fills |
|---|---|
| Patients | 66 |
| Total drug cost | $16,145 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Indiana University School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Undefined Physician Type (Specify) |
| Secondary specialties | Internal Medicine |
Medical group
- Sutter Bay Medical FoundationFremont, CA · 3,829 clinicians
Hospital affiliations
- Alta Bates Summit Medical CenterOakland, CA
- Eden Medical CenterCastro Valley, 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
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