Thomas Thanh Tran, MD
NPI 1710972997ActiveIndividual· Internal Medicine· Corona, CA
Internal Medicine (MD) with Inpatient Specialists of California PC, practicing in Corona, California. In 2024 Medicare paid $32,632 for 140 patients, and Part D covered 152 of their prescriptions, 82% of them generic. Ucb, Inc. reported $125.01 in payments in 2025, mostly food and beverage. Lists St Bernardine Medical Center as a hospital affiliation.
Overview
| NPI | 1710972997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 14, 2005 |
| Last updated in NPPES | Dec 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A85242 | CA |
| Hospitalist | 208M00000X | A85242 | 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 | 140 |
|---|---|
| Services billed | 386 across 6 procedure codes |
| Paid by Medicare | $32,632 |
Part D prescriptions in 2024
| Prescriptions (claims) | 152 · 156 30-day fills |
|---|---|
| Patients | 71 |
| Total drug cost | $18,365 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 2000 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- Inpatient Specialists of California PCOakdale, CA · 385 clinicians
Hospital affiliation
- St Bernardine Medical CenterSan Bernardino, CA
Industry payments (Open Payments)
- 2025$125.01 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $125.01 | 1 |
What the 2025 payments were for
- Food and Beverage$125.01 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 85 internal medicine physicians in Corona · All internal medicine physicians in California