Catherine Diemphuc Hoang, MD
NPI 1023166956ActiveIndividual· Internal Medicine· Riverside, CA
Internal Medicine (MD) in Riverside, California, licensed in CA, with an NPI issued in January 2007. Part D covered 26 prescriptions written in 2024, 92% of them generic.
Overview
| NPI | 1023166956 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 8, 2007 |
| Last updated in NPPES | May 13, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A92652 | 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) | 26 · 52 30-day fills |
|---|---|
| Total drug cost | $3,580 |
| Generic share | 92% of claims |
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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All 246 internal medicine physicians in Riverside · All internal medicine physicians in California