Thanh V. Hoang, MD
NPI 1174690994ActiveIndividual· Internal Medicine· Riverside, CA
Internal Medicine (MD) in Riverside, California, trained at University of Southern California Keck School of Medicine (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $18,897 for 287 claims, against $6,517 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 2 companies reporting payments in 2025, $72.19 in all, mostly food and beverage.
Overview
| NPI | 1174690994 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Nov 29, 2006 |
| Last updated in NPPES | Nov 30, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A63933 | 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 | 27 |
|---|---|
| Services billed | 71 across 8 procedure codes |
| Paid by Medicare | $6,517 |
Part D prescriptions in 2024
| Prescriptions (claims) | 287 · 562 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $18,897 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical group
- Southern California Permanente Medical GroupRedlands, CA · 11,293 clinicians
Hospital affiliation
- Kaiser Foundation Hospital, RiversideRiverside, CA
Industry payments (Open Payments)
- 2025$72.19 · 2 payments from 2 companies
- 2024$49.86 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $39.03 | 1 |
| Alexion Pharmaceuticals, Inc. | $33.16 | 1 |
What the 2025 payments were for
- Food and Beverage$72.19 · 2 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