NPI age
18 years
Enumerated 2007-08-23
● Active
Type 1 · Individual
Oscar Alberto Iznaola -Esquivel, M.D.
Iznaola -Esquivel is 1 of 165 internal medicine providers in San Antonio and 1 of 1582 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2020-03-06
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1582 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (18 yr)
State licenses
1 state
14% of peers hold multiple states
Subspecialties
2
In the 34% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-08Enumerated in NPPES
2007
2026
Where they practice
Practice location
1141 N Loop 1604 E, 105-434
San Antonio, TX 782321339
Mailing address
1141 N Loop 1604 E, 105-434
San Antonio, TX 782321339
Specialties
-
Internal Medicine PrimaryAn internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
-
Internal MedicineAn internist who has special knowledge of the aging process and special skills in the diagnostic, therapeutic, preventive and rehabilitative aspects of illness in the elderly. This specialist cares for geriatric patients in the...
-
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.
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 207474204 |
Practice context
Part of a multi-provider practice. 5 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 →
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