William Hung
NPI 1972615771ActiveIndividual· Internal Medicine· El Monte, CA
Internal Medicine with County of Los Angeles, practicing in El Monte, California. Their prescriptions cost Medicare Part D more than their services did: $122,711 for 1,897 claims, against $21,019 paid for services in 2024. Lists Lac/Rancho Los Amigos National Rehabilitation Ctr and 1 other hospital as hospital affiliations.
Overview
| NPI | 1972615771 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 31, 2006 |
| Last updated in NPPES | Aug 7, 2025 |
| Certified by provider | Aug 7, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A79596 | 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 - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 132 |
|---|---|
| Services billed | 711 across 62 procedure codes |
| Paid by Medicare | $21,019 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,897 · 4,101 30-day fills |
|---|---|
| Patients | 135 |
| Total drug cost | $122,711 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1996 |
|---|---|
| Medicare specialty | Internal Medicine |
Medical group
- County of Los AngelesWilmington, CA · 397 clinicians
Hospital affiliations
- Lac/Rancho Los Amigos National Rehabilitation CtrDowney, CA
- Los Angeles General Medical CenterLos Angeles, CA
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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