NPI age
11 years
Enumerated 2014-06-24
● Active
Type 1 · Individual
Barbara Michelle Kiersz Mueller, D.O., B.S., A.A.
Kiersz Mueller is 1 of 1 pediatrics providers in Lakeway and 1 of 112 in Texas.
Primary specialty
Pediatrics
Plus 2 subspecialties
Licensed in
TX, GA
2 states
Status
Active
No deactivations on record
Last NPPES update
2022-09-08
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org
How this provider compares
Across 112 active pediatrics providers in Texas.
NPI age
11 years
↓ 5 yr below median (16 yr)
State licenses
2 states
Top 81% — 18% of peers are multi-state
Subspecialties
1
In the 49% of peers with subspecialties
NPI lifetime · 2014 → 2026
2014-06Enumerated in NPPES
2014
2026
Where they practice
Practice location
401 Ranch Road 620 S Ste 210
Lakeway, TX 787345304
Mailing address
14960 Park Row Dr
Houston, TX 770845165
Specialties
-
Pediatrics PrimaryA developmental-behavioral specialist is a pediatrician with special training and experience who aims to foster understanding and promotion of optimal development of children and families through research, education, clinical care and...
-
Family MedicineFamily Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
Identifiers
| Type | Value | Notes |
|---|---|---|
| 05 (TX) | 374732101 | |
| 05 (TX) | 374732102 |
Multi-state credentialing: Licensed in 2 states. Useful context for credentialers building cross-state provider networks.
Practice context
Solo or small practice. No 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.
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