Jeng-Jong Liao, MD
NPI 1851442057ActiveIndividual· Internal Medicine, Critical Care Medicine· Monterey Park, CA
Internal Medicine, Critical Care Medicine (MD) in Monterey Park, California, trained at Temple University School of Medicine (class of 1980). 256 Medicare patients in 2024, $224,981 paid; nearly all of their 622 Part D prescriptions were generic (91%). Astrazeneca Pharmaceuticals LP was the largest of 2 companies reporting payments in 2025, $621.62 in all, mostly food and beverage.
Overview
| NPI | 1851442057 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jan 15, 2007 |
| Last updated in NPPES | Apr 20, 2020 |
| Certified by provider | Apr 20, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Critical Care Medicine Primary | 207RC0200X | C50014 | CA |
| Internal Medicine, Pulmonary Disease | 207RP1001X | C50014 | 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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 256 |
|---|---|
| Services billed | 2,279 across 8 procedure codes |
| Paid by Medicare | $224,981 |
Part D prescriptions in 2024
| Prescriptions (claims) | 622 · 676 30-day fills |
|---|---|
| Patients | 47 |
| Total drug cost | $33,894 |
| Generic share | 91% of claims |
Education and affiliations
| Medical school | Temple University School of Medicine |
|---|---|
| Graduation year | 1980 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
Other facilities
- Sunset Manor Conv HospNursing home · El Monte, CA
Industry payments (Open Payments)
- 2025$621.62 · 5 payments from 2 companies
- 2024$282.77 · 4 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $374.80 | 3 |
| Glaxosmithkline, LLC. | $246.82 | 2 |
What the 2025 payments were for
- Food and Beverage$621.62 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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