NPI age
19 years
Enumerated 2006-07-27
● Active
Type 1 · Individual
DR. Arun R Rao, M.D.
Rao is 1 of 95 internal medicine providers in San Antonio and 1 of 1069 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX, TN
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-06-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1069 active internal medicine providers in Texas.
NPI age
19 years
≈ at median (18 yr)
State licenses
2 states
Top 77% — 22% of peers are multi-state
Subspecialties
1
In the 52% of peers with subspecialties
NPI lifetime · 2006 → 2026
2006-07Enumerated in NPPES
2006
2026
Where they practice
Practice location
3327 Research Plz Ste 102
San Antonio, TX 782355156
Mailing address
Po Box 911230
Dallas, TX 753911230
Specialties
-
Internal Medicine PrimaryAn internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine...
-
Internal MedicineAn internist who specializes in the diagnosis and treatment of all types of cancer and other benign and malignant tumors. This specialist decides on and administers therapy for these malignancies as well as consults with surgeons and...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (TN) | 103I836550 | MEDICARE |
| 01 (MS) | 318281YJ6C | MEDICARE |
| 05 (AR) | 199498001 | |
| 05 (MS) | 06806350 | |
| 05 (TN) | Q001744 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 2 other active providers share this practice address in NPPES.
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