Leeyen Hsu
NPI 1235541962ActiveIndividual· Internal Medicine, Pulmonary Disease· Sherman Oaks, CA
Internal Medicine, Pulmonary Disease in Sherman Oaks, California, trained at University of California, Davis School of Medicine (class of 2014). In 2024 Medicare paid $357,142 for 543 patients, and Part D covered 108 of their prescriptions, 55% of them generic. Glaxosmithkline, LLC. was the largest of 15 companies reporting payments in 2025, $724.77 in all, mostly food and beverage.
Overview
| NPI | 1235541962 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 29, 2014 |
| Last updated in NPPES | Feb 22, 2023 |
| Certified by provider | Feb 22, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Pulmonary Disease Primary | 207RP1001X | A140050 | 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 | 543 |
|---|---|
| Services billed | 3,912 across 21 procedure codes |
| Paid by Medicare | $357,142 |
Part D prescriptions in 2024
| Prescriptions (claims) | 108 · 183 30-day fills |
|---|---|
| Patients | 28 |
| Total drug cost | $26,964 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | University of California, Davis School of Medicine |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Pulmonary Disease |
| Telehealth | Offers telehealth |
Medical group
- Mid-Valley Pulmonary Medical Group, Inc.Sherman Oaks, CA · 11 clinicians
Hospital affiliations
- Cedars-Sinai Medical CenterLos Angeles, CA
- Encino Hospital Medical CenterEncino, CA
- Sherman Oaks HospitalSherman Oaks, CA
- Valley Presbyterian HospitalVan Nuys, CA
Other facilities
- Barlow Respiratory HospitalLong-term care hospital · Los Angeles, CA
Industry payments (Open Payments)
- 2025$724.77 · 28 payments from 15 companies
- 2024$836.66 · 29 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $160.91 | 6 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $93.77 | 4 |
| Grifols USA, LLC | $62.85 | 2 |
| Insmed, Inc. | $62.31 | 2 |
| Electromed, Inc. | $56.35 | 2 |
What the 2025 payments were for
- Food and Beverage$724.77 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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