Stephen Liu, MD
NPI 1184788432ActiveIndividual· Internal Medicine, Medical Oncology· Los Angeles, CA
Internal Medicine, Medical Oncology (MD) in Los Angeles, California, trained at University of Maryland School of Medicine (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $2,868,640 for 454 claims, against $77,633 paid for services in 2024. Jazz Pharmaceuticals Inc. was the largest of 21 companies reporting payments in 2025, $131,599 in all, mostly consulting fees.
Overview
| NPI | 1184788432 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 21, 2006 |
| Last updated in NPPES | Apr 23, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Medical Oncology Primary | 207RX0202X | A102491 | CA |
| Internal Medicine | 207R00000X | MT186453 | PA |
| Internal Medicine | 207R00000X | A102491 | 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 - Hematology/Oncology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 160 |
|---|---|
| Services billed | 656 across 9 procedure codes |
| Paid by Medicare | $77,633 |
Part D prescriptions in 2024
| Prescriptions (claims) | 454 · 543 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $2,868,640 |
| Generic share | 55% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Hematology/Oncology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Hospital affiliations
- Medstar Georgetown University HospitalWashington, DC
- Medstar Saint Mary's HospitalLeonardtown, MD
- Medstar Washington Hospital CenterWashington, DC
Other facilities
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$131,599 · 107 payments from 21 companies
- 2024$101,944 · 78 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Jazz Pharmaceuticals Inc. | $49,777 | 36 |
| Astrazeneca Pharmaceuticals LP | $20,833 | 16 |
| Hoffmann-La Roche Limited | $17,655 | 9 |
| Glaxosmithkline, LLC. | $6,600 | 2 |
| Astrazeneca Uk Limited | $5,072 | 2 |
What the 2025 payments were for
- Consulting Fee$98,512 · 37 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$26,108 · 2 payments
- Travel and Lodging$3,559 · 22 payments
- Food and Beverage$3,421 · 46 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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