NPI age
19 years
Enumerated 2006-10-12
● Active
Type 1 · Individual
DR. Rosemary Chacko, MD
Chacko is 1 of 1 internal medicine providers in Fort Sam Houston and 1 of 217 in Texas.
Primary specialty
Internal Medicine
Plus 1 subspecialty
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-12-09
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 217 active internal medicine providers in Texas.
NPI age
19 years
↑ 7 yr above median (12 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
1
In the 60% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-10Enumerated in NPPES
2006
2026
Where they practice
Practice location
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Mailing address
3551 Roger Brooke Dr
Fort Sam Houston, TX 782344504
Additional practice locations
1 secondary location on file with NPPES.
Location 2
11 Myrtlewood
San Antonio, TX 782186000
Specialties
-
Internal Medicine PrimaryAn internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
-
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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 1137176-01 |
Practice context
Part of a multi-provider practice. 1394 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 217 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.