Nghia Thanh Phan, D.O.
NPI 1164415535ActiveIndividual· Family Medicine· Pomona, CA
Family Medicine (D.O.) in Pomona, California, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2000). Their prescriptions cost Medicare Part D more than their services did: $190,156 for 2,080 claims, against $12,107 paid for services in 2024. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $245.26 in all, mostly food and beverage.
Overview
| NPI | 1164415535 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Aug 31, 2005 |
| Last updated in NPPES | Feb 6, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 20A10219 | 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 - Family Practice (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 66 |
|---|---|
| Services billed | 363 across 26 procedure codes |
| Paid by Medicare | $12,107 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,080 · 4,530 30-day fills |
|---|---|
| Patients | 275 |
| Total drug cost | $190,156 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2000 |
| Medicare specialty | Family Practice |
Medical group
- Western University of Health SciencesPomona, CA · 51 clinicians
Hospital affiliation
- Pomona Valley Hospital Medical CenterPomona, CA
Industry payments (Open Payments)
- 2025$245.26 · 10 payments from 4 companies
- 2024$166.13 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $170.72 | 7 |
| Lilly USA, LLC | $32.59 | 1 |
| Exact Sciences Corporation | $24.99 | 1 |
| Merck Sharp & Dohme LLC | $16.96 | 1 |
What the 2025 payments were for
- Food and Beverage$245.26 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 108 family medicine physicians in Pomona · All family medicine physicians in California