NPI age
19 years
Enumerated 2006-06-13
● Active
Type 1 · Individual
DR. Thomas E Callahan III, MD
Callahan is 1 of 31 radiology providers in Fort Worth and 1 of 408 in Texas.
Primary specialty
Radiology
Plus 2 subspecialties
Licensed in
TX, HI
2 states
Status
Active
No deactivations on record
Last NPPES update
2026-04-07
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 408 active radiology providers in Texas.
NPI age
19 years
↑ 5 yr above median (14 yr)
State licenses
2 states
Top 74% — 25% of peers are multi-state
Subspecialties
1
In the 59% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-06Enumerated in NPPES
2006
2026
Where they practice
Practice location
815 Pennsylvania Ave
Fort Worth, TX 761042294
Mailing address
816 W Cannon St
Fort Worth, TX 761043194
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
4005 24th St
Lubbock, TX 794101835
Location 3
4515 Marsha Sharp Fwy
Lubbock, TX 794072520
Specialties
-
Radiology PrimaryA radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
-
RadiologyA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (MA) | 2107619 | |
| 01 (MA) | AA64569 | HARVARD PILGRIM HEALTHCAR |
| 01 | P00602905 | RAILROAD MEDICARE |
| 01 (MA) | J28704 | BLUE CROSS BLUE SHIELD |
| 01 (MA) | 462205 | TUFTS |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 244 other active providers share this practice address in NPPES.
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- Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
- Check the state license is currently active.State licensing boards publish current status; NPPES does not.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.