Brian Na, M.D.
NPI 1780078071ActiveIndividual· Pediatrics, Pediatric Hematology-Oncology· Los Angeles, CA
Pediatrics, Pediatric Hematology-Oncology (M.D.) in Los Angeles, California, trained at Drexel University College of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $88,791 for 18 claims, against $3,610 paid for services in 2024. Day One Biopharmaceuticals was the largest of 4 companies reporting payments in 2025, $6,581 in all, mostly consulting fees.
Overview
| NPI | 1780078071 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 24, 2015 |
| Last updated in NPPES | Jun 7, 2021 |
| Certified by provider | Jun 7, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Hematology-Oncology Primary | 2080P0207X | A154739 | 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 - Pediatric Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 14 |
|---|---|
| Services billed | 57 across 5 procedure codes |
| Paid by Medicare | $3,610 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18 · 33 30-day fills |
|---|---|
| Patients | 12 |
| Total drug cost | $88,791 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | Drexel University College of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Pediatric Medicine |
| Secondary specialties | Hematology/Oncology |
| Telehealth | Offers telehealth |
Medical group
- UCSF Medical Group Business ServicesSan Francisco, CA · 1,598 clinicians
Hospital affiliations
- Enloe HealthChico, CA
- UCSF Medical CenterSan Francisco, CA
Industry payments (Open Payments)
- 2025$6,581 · 7 payments from 4 companies
- 2024$5,851 · 6 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Day One Biopharmaceuticals | $3,108 | 1 |
| Springworks Therapeutics, Inc. | $2,520 | 4 |
| Alexion Pharmaceuticals, Inc. | $930.00 | 1 |
| Servier Pharmaceuticals LLC | $23.44 | 1 |
What the 2025 payments were for
- Consulting Fee$3,402 · 2 payments
- Honoraria$3,108 · 1 payment
- Food and Beverage$71.18 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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