NPI age
16 years
Enumerated 2009-06-04
● Active
Type 1 · Individual
DR. Erin Kristin Spengler, M.D.
Spengler is 1 of 133 internal medicine providers in San Antonio and 1 of 1807 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2026-04-02
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 1807 active internal medicine providers in Texas.
NPI age
16 years
↓ 3 yr below median (19 yr)
State licenses
1 state
17% of peers hold multiple states
Subspecialties
2
In the 35% of peers with subspecialties
NPI lifetime · 2009 → 2026
2009-06Enumerated in NPPES
2009
2026
Where they practice
Practice location
520 E Euclid Ave
San Antonio, TX 782124414
Mailing address
Po Box 35629
Dallas, TX 752350629
Additional practice locations
1 secondary location on file with NPPES.
Location 2
4502 Medical Dr
San Antonio, TX 782294402
Specialties
-
Internal Medicine PrimaryAn 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...
-
Internal MedicineAn 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 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,...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 1568698579 |
Practice context
Part of a multi-provider practice. 44 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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