NPI age
16 years
Enumerated 2010-04-16
● Active
Type 1 · Individual
DR. Subramaniyam Rajan, M.D.
Rajan is 1 of 20 internal medicine providers in Austin and 1 of 479 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2022-07-25
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
16 years
≈ at median (16 yr)
State licenses
1 state
32% of peers hold multiple states
Subspecialties
2
In the 79% of peers with subspecialties
NPI lifetime · 2010 → 2026
2010-04Enumerated in NPPES
2010
2026
Where they practice
Practice location
5920 W William Cannon Dr Ste 150
Austin, TX 787491902
Mailing address
Po Box 117655
Carrollton, TX 750117655
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 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...
-
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,...
Practice context
Part of a multi-provider practice. 9 other active providers share this practice address in NPPES.
Recently enumerated nearby: 1 new internal medicine provider has been added in Austin 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.
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