Lillian Yonshin Hsu, M.D.
NPI 1942518691ActiveIndividual· Internal Medicine, Pulmonary Disease· Beverly Hills, CA
Internal Medicine, Pulmonary Disease (M.D.) in Beverly Hills, California, trained at Ohio State University College of Medicine (class of 2010). In 2024 Medicare paid $172,424 for 216 patients, and Part D covered 660 of their prescriptions, 35% of them generic. Regeneron Healthcare Solutions, Inc. reported $57.05 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1942518691 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Sep 15, 2010 |
| Last updated in NPPES | Jul 5, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A119471 | CA |
| Internal Medicine, Critical Care Medicine | 207RC0200X | A119471 | CA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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 - Pulmonary Disease (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 1,914 across 25 procedure codes |
| Paid by Medicare | $172,424 |
Part D prescriptions in 2024
| Prescriptions (claims) | 660 · 1,008 30-day fills |
|---|---|
| Patients | 131 |
| Total drug cost | $232,621 |
| Generic share | 35% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Pulmonary Disease |
| Secondary specialties | Critical Care (Intensivists), Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- The Regents of the University of CaliforniaSanta Monica, CA · 1,462 clinicians
Hospital affiliations
- Ronald Reagan UCLA Medical CenterLos Angeles, CA
- Santa Monica - UCLA Med Ctr & Orthopaedic HospitalSanta Monica, CA
Other facilities
- Barlow Respiratory HospitalLong-term care hospital · Los Angeles, CA
Industry payments (Open Payments)
- 2025$57.05 · 2 payments from 1 company
- 2024$58.27 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $57.05 | 2 |
What the 2025 payments were for
- Food and Beverage$57.05 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 29 pulmonologists in Beverly Hills · All pulmonologists in California