NPI age
18 years
Enumerated 2007-09-13
● Active
Type 1 · Individual
DR. Steven Eugene Walker, MD
Walker is 1 of 823 internal medicine providers in San Antonio and 1 of 12343 in Texas.
Primary specialty
Internal Medicine
Plus 2 subspecialties
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2025-12-01
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 12343 active internal medicine providers in Texas.
NPI age
18 years
≈ at median (17 yr)
State licenses
1 state
12% of peers hold multiple states
Subspecialties
2
In the 33% of peers with subspecialties
NPI lifetime · 2007 → 2026
2007-09Enumerated in NPPES
2007
2026
Where they practice
Practice location
300 E Sonterra Blvd
San Antonio, TX 782583971
Mailing address
13619 Leon Springs Ln
Cypress, TX 774296016
Additional practice locations
7 secondary locations on file with NPPES.
Location 2
1040 Schlipf Rd # 126
Katy, TX 774936571
Location 3
4065 St Cloud Dr Unit 200
Loveland, CO 805389233
Location 4
9191 Sheridan Blvd Ste 103
Westminster, CO 800313023
Location 5
2629 Waterfront Parkway East Dr Ste 375
Indianapolis, IN 462142026
Location 6
767 Eustis St Ste 150
Saint Paul, MN 551140019
Location 7
3400 188th St Sw Ste 214
Lynnwood, WA 980374792
Location 8
6500 S MacAdam Ave Ste 160
Portland, OR 972393566
Specialties
-
Internal Medicine PrimaryA 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,...
-
HospitalistHospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term...
-
Internal MedicineAn internal medicine physician with special knowledge and skills to prevent and relieve the suffering experienced by patients with life-limiting illnesses. This specialist works with an interdisciplinary hospice or palliative care team...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 01 (MN) | 74748 | PHYSICIAN LICENSE |
| 01 (CO) | DR.0072034 | PHYSICIAN LICENSE |
| 01 (IN) | 01091951A | PHYSICIAN LICENSE |
| 01 (TX) | M7735 | TSMBE |
| 01 (OR) | MD217350 | PHYSICIAN LICENSE |
| 01 (WA) | 61475909 | PHYSICIAN LICENSE |
Practice context
Part of a multi-provider practice. 13 other active providers share this practice address in NPPES.
Recently enumerated nearby: 6 new internal medicine providers have been added in San Antonio in the last 180 days.
See all →
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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.