Paul Hung-Jen Chu, M.D.
NPI 1619052628ActiveIndividual· Internal Medicine· Los Angeles, CA
Internal Medicine (M.D.) in Los Angeles, California, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1992). Their prescriptions cost Medicare Part D more than their services did: $1,328,972 for 9,991 claims, against $480,077 paid for services in 2024. Abbvie Inc. was the largest of 8 companies reporting payments in 2025, $484.20 in all, mostly food and beverage.
Overview
| NPI | 1619052628 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Oct 26, 2006 |
| Last updated in NPPES | Oct 19, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | G78766 | 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 | 572 |
|---|---|
| Services billed | 8,015 across 24 procedure codes |
| Paid by Medicare | $480,077 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,991 · 17,240 30-day fills |
|---|---|
| Patients | 795 |
| Total drug cost | $1,328,972 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1992 |
| Medicare specialty | Internal Medicine |
Other facilities
- All Ways Home Health Care, Inc.Home health agency · Arcadia, CA
- Allegiance Home Health, IncHome health agency · Alhambra, CA
- Happy Home Health ServicesHome health agency · Arcadia, CA
- Del Mar Convalescent HospitalNursing home · Rosemead, CA
Industry payments (Open Payments)
- 2025$484.20 · 22 payments from 8 companies
- 2024$446.72 · 13 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $182.88 | 7 |
| Astrazeneca Pharmaceuticals LP | $147.06 | 9 |
| Smith+nephew, Inc. | $34.67 | 1 |
| Madrigal Pharmaceuticals | $27.90 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $27.15 | 1 |
What the 2025 payments were for
- Food and Beverage$484.20 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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