Nguyen Tu Doan, M.D.
NPI 1538547302ActiveIndividual· Internal Medicine· Riverside, CA
Internal Medicine (M.D.) in Riverside, California, trained at Michigan State University College of Human Medicine (class of 2015). In 2024 Medicare paid $35,612 for 151 patients, and Part D covered 195 of their prescriptions, 88% of them generic. Abbvie Inc. reported $250.38 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1538547302 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 13, 2015 |
| Last updated in NPPES | Mar 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A148066 | 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 | 151 |
|---|---|
| Services billed | 412 across 6 procedure codes |
| Paid by Medicare | $35,612 |
Part D prescriptions in 2024
| Prescriptions (claims) | 195 · 199 30-day fills |
|---|---|
| Patients | 79 |
| Total drug cost | $15,107 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Michigan State University College of Human Medicine |
|---|---|
| Graduation year | 2015 |
| 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$250.38 · 10 payments from 1 company
- 2024$143.98 · 5 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $250.38 | 10 |
What the 2025 payments were for
- Food and Beverage$250.38 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 246 internal medicine physicians in Riverside · All internal medicine physicians in California