NPI age
20 years
Enumerated 2005-10-25
● Active
Type 1 · Individual
DR. Mark Kowalski Wallace, M.D
Wallace is 1 of 85 internal medicine providers in San Antonio and 1 of 935 in Texas.
Primary specialty
Internal Medicine
Licensed in
IN
1 state
Status
Active
No deactivations on record
Last NPPES update
2007-07-08
Source: monthly bulk 2026-05
Sole proprietor
Not specified
May be part of a larger org
How this provider compares
Across 935 active internal medicine providers in Texas.
NPI age
20 years
↑ 2 yr above median (18 yr)
State licenses
1 state
15% of peers hold multiple states
Subspecialties
0
38% of peers hold subspecialties
NPI lifetime · 2005 → 2026
2005-10Enumerated in NPPES
2005
2026
Where they practice
Practice location
3851 Roger Brooke Dr, Ft Sam Houston
San Antonio, TX 78234
Mailing address
12443 Tech Ridge Blvd, #712
Austin, TX 78753
Specialties
-
Internal Medicine PrimaryAn internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary...
Practice context
Part of a multi-provider practice. 47 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.