Frank Y. An, MD
NPI 1558345843ActiveIndividual· Family Medicine· Lomita, CA
Family Medicine (MD) in Lomita, California, licensed in CA, with an NPI issued in December 2005. Their prescriptions cost Medicare Part D more than their services did: $63,971 for 733 claims, against $8,824 paid for services in 2024. Astrazeneca Pharmaceuticals LP reported $15.20 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1558345843 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Dec 1, 2005 |
| Last updated in NPPES | Jun 8, 2021 |
| Certified by provider | Jun 8, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | G62295 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 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 | 20 |
|---|---|
| Services billed | 172 across 22 procedure codes |
| Paid by Medicare | $8,824 |
Part D prescriptions in 2024
| Prescriptions (claims) | 733 · 1,073 30-day fills |
|---|---|
| Patients | 110 |
| Total drug cost | $63,971 |
| Generic share | 89% of claims |
Industry payments (Open Payments)
- 2025$15.20 · 1 payment from 1 company
- 2024$1,900 · 20 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $15.20 | 1 |
What the 2025 payments were for
- Food and Beverage$15.20 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Family Medicine providers in Lomita
- 1770840100
- 1497739734
- 1033054838
- 1073792446
- 1699729335