NPI age
13 years
Enumerated 2013-05-23
● Active
Type 1 · Individual
DR. Mudassar Ahmad, M.D.
Ahmad is 1 of 141 internal medicine providers in Houston and 1 of 479 in Texas.
Primary specialty
Internal Medicine
Plus 3 subspecialties
Licensed in
TX, SD
2 states
Status
Active
No deactivations on record
Last NPPES update
2019-07-31
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 479 active internal medicine providers in Texas.
NPI age
13 years
↓ 3 yr below median (16 yr)
State licenses
2 states
Top 67% — 32% of peers are multi-state
Subspecialties
2
In the 79% of peers with subspecialties
NPI lifetime · 2013 → 2026
2013-05Enumerated in NPPES
2013
2026
Where they practice
Practice location
18220 State Highway 249
Houston, TX 770704347
Mailing address
15150 Blanco Rd Apt 3219
San Antonio, TX 782323314
Additional practice locations
1 secondary location on file with NPPES.
Location 2
1310 McCullough Ave
San Antonio, TX 782125601
Specialties
-
Internal Medicine PrimaryAn internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the...
-
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,...
-
Internal MedicineAn 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. 97 other active providers share this practice address in NPPES.
Provyx · Custom healthcare lists
Need all 479 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.