Tan Dinh Ngo, M.D.
NPI 1770503997ActiveIndividual· Internal Medicine· Westminster, CA
Internal Medicine (M.D.) in Westminster, California, trained at University of Southern California Keck School of Medicine (class of 1991). In 2024 Medicare paid $594,214 for 293 patients, and Part D covered 5,824 of their prescriptions, 84% of them generic. Amgen Inc. reported $16.20 in payments in 2024, mostly food and beverage.
Overview
| NPI | 1770503997 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Jul 20, 2006 |
| Last updated in NPPES | Nov 30, 2022 |
| Certified by provider | Nov 30, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G75839L | 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 | 293 |
|---|---|
| Services billed | 30,248 across 31 procedure codes |
| Paid by Medicare | $594,214 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,824 · 10,788 30-day fills |
|---|---|
| Patients | 206 |
| Total drug cost | $584,623 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Southern California Keck School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
Other facilities
- 24/7 Care at Home - Home HealthHome health agency · Westminster, CA
- Focus Home Health IncHome health agency · Garden Grove, CA
Industry payments (Open Payments)
- 2024$16.20 · 1 payment from 1 company
Top paying companies in 2024
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $16.20 | 1 |
What the 2024 payments were for
- Food and Beverage$16.20 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 74 internal medicine physicians in Westminster · All internal medicine physicians in California