NPI age
7 years
Enumerated 2019-04-16
● Active
Type 1 · Individual
Isaiah D Brown, MD, MS
Brown is 1 of 285 radiology providers in San Antonio and 1 of 3776 in Texas.
Primary specialty
Radiology
Plus 2 subspecialties
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-05-12
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 3776 active radiology providers in Texas.
NPI age
7 years
↓ 12 yr below median (19 yr)
State licenses
2 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 36% of peers with subspecialties
NPI lifetime · 2019 → 2026
2019-04Enumerated in NPPES
2019
2026
Where they practice
Practice location
8715 Village Dr Ste 320
San Antonio, TX 782175407
Mailing address
Po Box 650002, Dept D8288
Dallas, TX 75265
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
1411 E 31st St Fl 2
Oakland, CA 946021018
Location 3
2315 Stockton Blvd Dept Of
Sacramento, CA 958172201
Specialties
-
Radiology PrimaryA radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.
-
Internal MedicineA physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer,...
Practice context
Part of a multi-provider practice. 4 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new radiology provider has been added in San Antonio in the last 180 days.
See all →
Provyx · Custom healthcare lists
Need all 3776 Radiology providers in Texas?
Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.
Request a quote →How to verify this provider
- 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.