NPI age
8 years
Enumerated 2018-04-25
● Active
Type 1 · Individual
Nagasri Shankar, MD
Shankar is 1 of 8 internal medicine providers in Houston and 1 of 29 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-09-19
Source: monthly bulk 2026-05
Sole proprietor
Yes
Solo practice on file
How this provider compares
Across 29 active internal medicine providers in Texas.
NPI age
8 years
↓ 10 yr below median (18 yr)
State licenses
1 state
31% of peers hold multiple states
Subspecialties
2
In the 96% of peers with subspecialties
NPI lifetime · 2018 → 2026
2018-04Enumerated in NPPES
2018
2026
Where they practice
Practice location
6620 Main St Ste 1450
Houston, TX 770302346
Mailing address
3500 Gaston Ave
Dallas, TX 752462017
Additional practice locations
1 secondary location on file with NPPES.
Location 2
3500 Gaston Ave
Dallas, TX 752462017
Specialties
-
Internal Medicine PrimaryAn internist with special knowledge and the skill required of a gastroenterologist to care for patients prior to and following hepatic transplantation that spans all phases of liver transplantation. Selection of appropriate recipients...
-
Internal MedicineAn internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and...
-
Student in an Organized Health Care Education/Training ProgramAn individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
Practice context
Part of a multi-provider practice. 15 other active providers share this practice address in NPPES.
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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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