Roger Mar-Tang, M.D.
NPI 1851375307ActiveIndividual· Internal Medicine· Folsom, CA
Internal Medicine (M.D.) in Folsom, California, trained at Stanford University School of Medicine (class of 2003). Part D covered 8,255 prescriptions written in 2024, 93% of them generic. Otsuka America Pharmaceutical, Inc. reported $125.00 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1851375307 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 29, 2005 |
| Last updated in NPPES | Dec 13, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A88695 | 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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 8,255 · 21,309 30-day fills |
|---|---|
| Patients | 726 |
| Total drug cost | $323,815 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Stanford University School of Medicine |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Internal Medicine |
Medical group
- Permanente Medical Group IncOakland, CA · 10,996 clinicians
Hospital affiliation
- Kaiser Foundation Hospital - RosevilleRoseville, CA
Other facilities
- Snowline HealthHospice · Diamond Springs, CA
Industry payments (Open Payments)
- 2025$125.00 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $125.00 | 1 |
What the 2025 payments were for
- Food and Beverage$125.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Folsom
- 1003971003
- 1073507786
- 1114038221
- 1215984364
- 1295779197
- 1336585603
- 1356311427
- 1356341606
- 1356413165
- 1376517656
- 1376575985
- 1376997866
All 64 internal medicine physicians in Folsom · All internal medicine physicians in California