NPI age
11 years
Enumerated 2015-03-30
● Active
Type 1 · Individual
David Robert Stachniak, MD
Stachniak is 1 of 446 emergency medicine providers in San Antonio and 1 of 6039 in Texas.
Primary specialty
Emergency Medicine
Plus 2 subspecialties
Licensed in
TX, NE
2 states
Status
Active
No deactivations on record
Last NPPES update
2025-01-27
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 6039 active emergency medicine providers in Texas.
NPI age
11 years
↓ 4 yr below median (15 yr)
State licenses
2 states
Top 82% — 17% of peers are multi-state
Subspecialties
1
In the 43% of peers with subspecialties
NPI lifetime · 2015 → 2026
2015-03Enumerated in NPPES
2015
2026
Where they practice
Practice location
333 N Santa Rosa
San Antonio, TX 782073108
Mailing address
1100 Wilford Hall Loop Bldg 4554
San Antonio, TX 782365638
Additional practice locations
2 secondary locations on file with NPPES.
Location 2
3551 Roger Brooke Dr
Jbsa Ft Sam Houston, TX 782344504
Location 3
1100 Wilford Hall Loop Bldg 4554
San Antonio, TX 78236
Specialties
-
Emergency Medicine PrimaryAn emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department....
-
PediatricsA pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment...
Practice context
Part of a multi-provider practice. 246 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new emergency medicine providers have been added in San Antonio in the last 180 days.
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Request a quote →How to verify this provider
- 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.