Leonard Wei-Chang Liang, M.D.
NPI 1134131196ActiveIndividual· Specialist· Los Angeles, CA
Specialist (M.D.) in Los Angeles, California, trained at University of Michigan Medical School (class of 1996). Their prescriptions cost Medicare Part D more than their services did: $327,776 for 362 claims, against $23,506 paid for services in 2024. Teleflex LLC was the largest of 7 companies reporting payments in 2025, $971.15 in all, mostly food and beverage.
Overview
| NPI | 1134131196 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Aug 11, 2006 |
| Last updated in NPPES | Aug 12, 2025 |
| Certified by provider | Aug 12, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | A66024 | CA |
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 - Urology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 88 |
|---|---|
| Services billed | 214 across 21 procedure codes |
| Paid by Medicare | $23,506 |
Part D prescriptions in 2024
| Prescriptions (claims) | 362 · 731 30-day fills |
|---|---|
| Patients | 94 |
| Total drug cost | $327,776 |
| Generic share | 82% of claims |
Education and affiliations
| Medical school | University of Michigan Medical School |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Urology |
Hospital affiliations
- California Hospital Medical Center laLos Angeles, CA
- Lac/Harbor-Ucla Med CenterTorrance, CA
Industry payments (Open Payments)
- 2025$971.15 · 20 payments from 7 companies
- 2024$1,264 · 30 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Teleflex LLC | $288.32 | 3 |
| Pfizer Inc. | $254.39 | 6 |
| Dendreon Pharmaceuticals LLC | $174.09 | 2 |
| Janssen Biotech, Inc. | $108.88 | 4 |
| Progenics Pharmaceuticals, Inc. | $56.99 | 2 |
What the 2025 payments were for
- Food and Beverage$971.15 · 20 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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