NPI age
20 years
Enumerated 2005-09-13
● Active
Type 1 · Individual
DR. Markham Jay Brown, M.D.
Brown is 1 of 1062 family medicine providers in San Antonio and 1 of 15966 in Texas.
Primary specialty
Family Medicine
Plus 1 subspecialty
Licensed in
TX, CA
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-07-14
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 15966 active family medicine providers in Texas.
NPI age
20 years
↑ 3 yr above median (17 yr)
State licenses
2 states
Top 91% — 8% of peers are multi-state
Subspecialties
0
26% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-09Enumerated in NPPES
2005
2026
Where they practice
Practice location
3551 Roger Brooke Dr
San Antonio, TX 782344504
Mailing address
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Specialties
-
Family Medicine PrimaryFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
Practice context
Part of a multi-provider practice. 365 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new family medicine providers have been added in San Antonio 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.