NPI age
15 years
Enumerated 2011-04-20
● Active
Type 1 · Individual
DR. Ildefonso Ismael Rodriguez-Rivera, M.D.
Rodriguez-Rivera 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, NY
2 states
Status
Active
No deactivations on record
Last NPPES update
2021-10-04
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
15 years
↓ 3 yr below median (18 yr)
State licenses
2 states
Top 77% — 22% of peers are multi-state
Subspecialties
2
In the 52% of peers with subspecialties
NPI lifetime · 2011 → 2026
2011-04Enumerated in NPPES
2011
2026
Where they practice
Practice location
2829 Babcock Rd Ste 300
San Antonio, TX 782296011
Mailing address
Po Box 911230
Dallas, TX 753911230
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
1275 York Ave
New York, NY 100656007
Location 3
650 Commack Rd
Commack, NY 11725
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 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 with additional training who specializes in diseases of the blood, spleen and lymph. This specialist treats conditions such as anemia, clotting disorders, sickle cell disease, hemophilia, leukemia and lymphoma.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 341471603 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Part of a multi-provider practice. 4 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.
- Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.