Brian Thomas Callahan, M.D.
NPI 1013059625ActiveIndividual· Radiology, Diagnostic Radiology· Lackland A F B, TX
Radiology, Diagnostic Radiology (M.D.) in Lackland A F B, Texas, trained at Harvard Medical School (class of 2004). Medicare paid $135,869 for services to 974 patients in 2024. Bard Peripheral Vascular, Inc. was the largest of 3 companies reporting payments in 2025, $119.84 in all, mostly food and beverage.
Overview
| NPI | 1013059625 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Feb 12, 2007 |
| Last updated in NPPES | Sep 2, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Radiology, Diagnostic Radiology Primary | 2085R0202X | 226167 | MA |
| Radiology, Vascular & Interventional Radiology | 2085R0204X | 233866 | MA |
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 - Diagnostic Radiology (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 974 |
|---|---|
| Services billed | 1,914 across 147 procedure codes |
| Paid by Medicare | $135,869 |
Education and affiliations
| Medical school | Harvard Medical School |
|---|---|
| Graduation year | 2004 |
| Medicare specialty | Diagnostic Radiology |
| Secondary specialties | Interventional Radiology |
Medical group
- University of Maryland Community Medical Group IncEaston, MD · 477 clinicians
Hospital affiliations
- University of MD Shore Medical Center at EastonEaston, MD
- University of MD Shore Medical Ctr at ChestertownChestertown, MD
Industry payments (Open Payments)
- 2025$119.84 · 4 payments from 3 companies
- 2024$18.23 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bard Peripheral Vascular, Inc. | $50.84 | 2 |
| W. L. Gore & Associates, Inc. | $41.41 | 1 |
| Becton, Dickinson and Company | $27.59 | 1 |
What the 2025 payments were for
- Food and Beverage$119.84 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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