NPI age
19 years
Enumerated 2006-10-19
● Active
Type 1 · Individual
George R Gilligan, M.D.
Gilligan is 1 of 64 internal medicine providers in Dallas and 1 of 479 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2023-11-09
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 479 active internal medicine providers in Texas.
NPI age
19 years
↑ 3 yr above median (16 yr)
State licenses
1 state
32% of peers hold multiple states
Subspecialties
1
In the 79% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
221 W Colorado Blvd Ste 525
Dallas, TX 752082312
Mailing address
221 W Colorado Blvd Ste 525
Dallas, TX 752082312
Additional practice locations
1 secondary location on file with NPPES.
Location 2
2001 N MacArthur Blvd, Suite 450
Irving, TX 750612256
Specialties
-
Internal Medicine PrimaryAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
-
Internal MedicineAn internist who treats diseases of the lungs and airways. The pulmonologist diagnoses and treats cancer, pneumonia, pleurisy, asthma, occupational and environmental diseases, bronchitis, sleep disorders, emphysema and other complex...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TX) | 8P1831 | BLUE CROSS & BLUE SHIELD |
| 05 (TX) | 175615702 |
Practice context
Part of a multi-provider practice. 106 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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