NPI age
10 years
Enumerated 2016-03-01
● Active
Type 1 · Individual
DR. Andrea N. Keithler, D.O.
Keithler is 1 of 1 internal medicine providers in Jbsa Ft Sam Houston and 1 of 309 in Texas.
Primary specialty
Internal Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-17
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 309 active internal medicine providers in Texas.
NPI age
10 years
↓ 8 yr below median (18 yr)
State licenses
1 state
20% of peers hold multiple states
Subspecialties
0
72% of peers hold subspecialties
NPI lifetime · 2016 → 2026
2016-03Enumerated in NPPES
2016
2026
Where they practice
Practice location
3551 Roger Brooke Dr, San Antonio Military Medical Center, McHe-Zdm-M
Jbsa Ft Sam Houston, TX 782344504
Mailing address
3551 Roger Brooke Dr
San Antonio, TX 782344504
Specialties
-
Internal Medicine PrimaryA field of special interest within the subspecialty of cardiovascular disease, specialty of Internal Medicine, which involves intricate technical procedures to evaluate heart rhythms and determine appropriate treatment for them.
Practice context
Part of a multi-provider practice. 623 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 309 Internal Medicine 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.