NPI age
20 years
Enumerated 2006-05-12
● Active
Type 1 · Individual
John D Barr, MD
Barr is 1 of 13 radiology providers in Dallas and 1 of 102 in Texas.
Primary specialty
Radiology
Plus 3 subspecialties
Licensed in
TX, TN
2 states
Status
Active
No deactivations on record
Last NPPES update
2020-03-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 102 active radiology providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
2 states
Top 75% — 24% of peers are multi-state
Subspecialties
1
In the 49% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-05Enumerated in NPPES
2006
2026
Where they practice
Practice location
5323 Harry Hines Blvd
Dallas, TX 753907201
Mailing address
Po Box 845347
Dallas, TX 752845347
Specialties
-
Radiology PrimaryA radiologist who diagnoses and treats diseases utilizing imaging procedures as they relate to the brain, spine and spinal cord, head, neck and organs of special sense in adults and children.
-
RadiologyA radiologist who diagnoses and treats diseases by various radiologic imaging modalities. These include fluoroscopy, digital radiography, computed tomography, sonography and magnetic resonance imaging.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (AR) | 142190001 | |
| 05 (MO) | 205226905 | |
| 01 (TN) | 3162854 | TN BCBS |
| 01 (AR) | 99289 | AR BCBS |
| 05 (MS) | 0124018 | |
| 05 (TN) | 3858446 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 4085 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 →
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