NPI age
11 years
Enumerated 2015-01-15
● Active
Type 1 · Individual
DR. Gabriel Calles, MD
Calles is 1 of 903 radiology providers in Houston and 1 of 3776 in Texas.
Primary specialty
Radiology
Plus 4 subspecialties
Licensed in
TX, MA, FL
3 states
Status
Active
No deactivations on record
Last NPPES update
2024-08-11
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 3776 active radiology providers in Texas.
NPI age
11 years
↓ 8 yr below median (19 yr)
State licenses
3 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 36% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-01Enumerated in NPPES
2015
2026
Where they practice
Practice location
6411 Fannin St
Houston, TX 770301501
Mailing address
6411 Fannin St
Houston, TX 770301501
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
75 Francis St
Boston, MA 021156110
Location 3
1475 Nw 12th Ave
Miami, FL 331361002
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
-
RadiologyA 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.
Practice context
Part of a multi-provider practice. 810 other active providers share this practice address in NPPES.
Recently enumerated nearby: 4 new radiology providers have been added in Houston in the last 180 days.
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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.