NPI age
20 years
Enumerated 2005-10-26
● Active
Type 1 · Individual
DR. Jackie Allen Hayes, M.D.
Hayes is 1 of 10 internal medicine providers in Fort Sam Houston and 1 of 1318 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX, MS
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-10-30
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1318 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
2 states
Top 84% — 15% of peers are multi-state
Subspecialties
0
57% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-10Enumerated in NPPES
2005
2026
Where they practice
Practice location
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Mailing address
3551 Roger Brooke Dr, Brooke Army Medical Center McHe-Qd/ Credentials
Fort Sam Houston, TX 782344504
Specialties
-
Internal Medicine PrimaryAn 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...
Practice context
Part of a multi-provider practice. 1394 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 1318 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.