NPI age
18 years
Enumerated 2007-12-31
● Active
Type 1 · Individual
DR. Rose M Walczak, MD
Walczak is 1 of 541 pediatrics providers in San Antonio and 1 of 7055 in Texas.
Primary specialty
Pediatrics
Plus 1 subspecialty
Licensed in
IL, TX
2 states
Status
Active
No deactivations on record
Last NPPES update
2016-01-15
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 7055 active pediatrics providers in Texas.
NPI age
18 years
≈ at median (18 yr)
State licenses
2 states
Top 91% — 8% of peers are multi-state
Subspecialties
0
23% of peers hold subspecialties
NPI lifetime · 2007 → 2026
2007-12Enumerated in NPPES
2007
2026
Where they practice
Practice location
333 N Santa Rosa St
San Antonio, TX 782073108
Mailing address
315 N San Saba, Suite 1003
San Antonio, TX 782073154
Specialties
-
Pediatrics PrimaryA 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. 131 other active providers share this practice address in NPPES.
Recently enumerated nearby: 2 new pediatrics 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.