Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1063973089 Individual Practitioner Female Practitioner

Dr. Allison Lai Wittenburg , MD

Pediatrics • Austin, TX

Professional Overview & Biography Verified Profile Summary

Dr. Allison Wittenburg, MD is a registered healthcare professional specializing in Pediatrics in Austin, TX. Practice services are available at 4900 MUELLER BLVD under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

4900 Mueller Blvd

Austin, TX 787233079

Telephone 5123240000
Associated Practice Facility / Clinic

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Austin, TX

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 15.7 Yrs
State Avg: 22.0 Yrs
Regional Practice Density
473 Specialists

Practicing in Austin, TX (5841 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

CMS Verified: 2026-06-05
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License TX W5622

A 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 of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

40 Associated Practitioners
Jennifer Krena

Nurse Practitioner - Pediatrics

NPI 1003260720
Dr. Patrick Day , MD

Pediatrics - Pediatric Cardiology

NPI 1003376138

Doctor of Medicine (M.D.)

Rachel Schroer , APRN, CPNP-PC, AC

Nurse Practitioner - Pediatrics

NPI 1003622028

Advanced Practice Registered Nurse, CPNPPC, AC

Arturo Vargas , RRT

Respiratory Therapist, Registered - Neonatal/Pediatrics

NPI 1013705805

Registered Respiratory Therapist

Nicole Friedman

Student in an Organized Health Care Education/Training Program

NPI 1013887686
Rebecca Byars , CPNP-AC, PC

Nurse Practitioner - Pediatrics, Critical Care

NPI 1023668860

CPNPAC, PC

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

14 Historical Events
📍
Updated Practice Location June 05, 2026

Registered at 4900 MUELLER BLVD, AUSTIN, TX 787233079 (Tel: 5123240000)

📍
Updated Business Mailing Address June 05, 2026

Registered at 4900 MUELLER BLVD, AUSTIN, TX 787233079

👤
Provider Name / Credentials Updated June 05, 2026

Recorded as ALLISON WITTENBURG, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) June 05, 2026

Pediatrics (License #W5622 in TX)

📍
Updated Practice Location August 18, 2022

Registered at 225 E CHICAGO AVE, CHICAGO, IL 606112991 (Tel: 5165249933)

📍
Updated Business Mailing Address August 18, 2022

Registered at 201 E CHESTNUT ST APT 12C, CHICAGO, IL 606117378 (Tel: 5165249933)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) August 18, 2022

Pediatrics (License #036.160597 in IL)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 24, 2021

Pediatrics (License #818 in CA)

NPI Profile Active March 31, 2019

NPI status registered as active in NPPES database

📍
Updated Practice Location March 31, 2019

Registered at 550 16TH ST FL HALL4, SAN FRANCISCO, CA 941432549 (Tel: 4154765001)

📍
Updated Business Mailing Address March 31, 2019

Registered at 550 16TH ST FL HALL4, SAN FRANCISCO, CA 941432549

👤
Provider Name / Credentials Updated March 31, 2019

Recorded as ALLISON LAI

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 31, 2019

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration March 31, 2019

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1063973089
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: March 31, 2019
Last Update: June 05, 2026
Sole Proprietor: No

Mailing Address

4900 Mueller Blvd

Austin, TX 787233079

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.