Byung Lee, D.O
NPI 1780975136ActiveIndividual· Internal Medicine, Hematology & Oncology· Los Angeles, CA
Internal Medicine, Hematology & Oncology (D.O) in Los Angeles, California, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2005). Their prescriptions cost Medicare Part D more than their services did: $13,490,248 for 3,076 claims, against $158,337 paid for services in 2024. Novartis Pharmaceuticals Corporation was the largest of 45 companies reporting payments in 2025, $4,951 in all, mostly food and beverage.
Overview
| NPI | 1780975136 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O |
| Sole proprietor | Yes |
| NPI issued | Apr 20, 2011 |
| Last updated in NPPES | Mar 18, 2015 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 20A12262 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Hematology/Oncology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 59 |
|---|---|
| Services billed | 6,710 across 31 procedure codes |
| Paid by Medicare | $158,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,076 · 4,527 30-day fills |
|---|---|
| Patients | 539 |
| Total drug cost | $13,490,248 |
| Generic share | 59% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2005 |
| Medicare specialty | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- Austin J Ma MD A Professional CorporationOxnard, CA · 11 clinicians
Industry payments (Open Payments)
- 2025$4,951 · 187 payments from 45 companies
- 2024$4,891 · 177 payments from 42 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novartis Pharmaceuticals Corporation | $1,344 | 29 |
| Janssen Biotech, Inc. | $348.07 | 12 |
| Pfizer Inc. | $275.81 | 11 |
| Astrazeneca Pharmaceuticals LP | $258.58 | 15 |
| Eisai Inc. | $204.38 | 10 |
What the 2025 payments were for
- Food and Beverage$3,951 · 175 payments
- Long term medical supply or device loan$999.96 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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