Brian Dong, MD
NPI 1366837874ActiveIndividual· Internal Medicine, Hematology & Oncology· Louisville, KY
Internal Medicine, Hematology & Oncology (MD) in Louisville, Kentucky, trained at University of Louisville School of Medicine (class of 2015). Their prescriptions cost Medicare Part D more than their services did: $1,559,124 for 979 claims, against $48,867 paid for services in 2024. Pfizer Inc. was the largest of 32 companies reporting payments in 2025, $10,156 in all, mostly consulting fees.
Overview
| NPI | 1366837874 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 1, 2015 |
| Last updated in NPPES | Sep 29, 2025 |
| Certified by provider | Sep 29, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology & Oncology Primary | 207RH0003X | 51631 | KY |
| Internal Medicine | 207R00000X | 51631 | KY |
| 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 - Internal Medicine (KY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 239 |
|---|---|
| Services billed | 748 across 11 procedure codes |
| Paid by Medicare | $48,867 |
Part D prescriptions in 2024
| Prescriptions (claims) | 979 · 1,742 30-day fills |
|---|---|
| Patients | 169 |
| Total drug cost | $1,559,124 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Louisville School of Medicine |
|---|---|
| Graduation year | 2015 |
| Medicare specialty | Internal Medicine |
Medical group
- University of Louisville Physicians IncLouisville, KY · 1,445 clinicians
Hospital affiliations
- Baptist Health HardinElizabethtown, KY
- University of Louisville HospitalLouisville, KY
- Uofl Health - Jewish Hospital and Mary & Elizabeth HospitalLouisville, KY
Industry payments (Open Payments)
- 2025$10,156 · 160 payments from 32 companies
- 2024$9,184 · 161 payments from 35 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $4,147 | 12 |
| Astrazeneca Pharmaceuticals LP | $2,454 | 16 |
| Daiichi Sankyo Inc. | $729.27 | 31 |
| Novartis Pharmaceuticals Corporation | $489.16 | 19 |
| Gilead Sciences, Inc. | $462.84 | 9 |
What the 2025 payments were for
- Consulting Fee$5,970 · 3 payments
- Food and Beverage$4,174 · 156 payments
- Education$12.42 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 hematologist-oncologists in Louisville · All hematologist-oncologists in Kentucky