Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1104261296 Individual Practitioner Female Practitioner

Dr. Cynthia Hanh Le Bui , MD

Pediatrics • Irvine, CA

Professional Overview & Biography Verified Profile Summary

Dr. Cynthia Bui, MD is a registered healthcare professional specializing in Pediatrics in Irvine, CA. Practice services are available at 17877 VON KARMAN AVE STE 210 under active NPI credentials.

Practice Location & Contact Primary Location

Practice Address

17877 Von Karman Ave Ste 210

Irvine, CA 926144227

Telephone 9496172525
Fax 9496173535
Associated Practice Facility / Clinic
🏢 Sunshine Pediatrics Oc Inc Facility NPI 1154299949

Specialty Benchmarks & Practice Insights

Comparative analytics for Pediatrics in Irvine, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 28.5 Yrs
State Avg: 22.5 Yrs
Regional Practice Density
56 Specialists

Practicing in Irvine, CA (9612 Statewide)

Telehealth Adoption Rate
1.8% 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: 2025-12-08
Pediatrics Primary Specialty

NUCC Taxonomy Code: 208000000X

State License CA A134222

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.

Student in an Organized Health Care Education/Training Program

NUCC Taxonomy Code: 390200000X

An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.

Pediatrics

NUCC Taxonomy Code: 208000000X

State License CA A1344222

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

3 Associated Practitioners
NPI 1407932320

Doctor of Medicine (M.D.)

NPI 1841324456

Doctor of Medicine (M.D.)

NPI 1922206135

Doctor of Medicine (M.D.)

Career & Practice History Timeline

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

15 Historical Events
📍
Updated Practice Location December 08, 2025

Registered at 17877 VON KARMAN AVE STE 210, IRVINE, CA 926144227 (Tel: 9496172525)

📍
Updated Business Mailing Address December 08, 2025

Registered at 17877 VON KARMAN AVE STE 210, IRVINE, CA 926144227 (Tel: 9496172525)

📍
Updated Business Mailing Address March 02, 2022

Registered at 24422 AVENIDA DE LA CARLOTA STE 300, LAGUNA HILLS, CA 926533628 (Tel: 9495992434)

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) March 02, 2022

Pediatrics (License #A134222 in CA)

📍
Updated Business Mailing Address September 22, 2021

Registered at 24422 AVENIDA DE LA CARLOTA STE 380, LAGUNA HILLS, CA 926533628 (Tel: 9495992434)

📍
Updated Practice Location July 16, 2019

Registered at 4968 BOOTH CIR STE 106, IRVINE, CA 926043370 (Tel: 9493874900)

📍
Updated Business Mailing Address July 16, 2019

Registered at 4968 BOOTH CIR STE 106, IRVINE, CA 926043370 (Tel: 9493874900)

👤
Provider Name / Credentials Updated July 16, 2019

Recorded as CYNTHIA BUI, MD

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 16, 2019

Pediatrics (License #A1344222 in CA)

NPI Profile Active May 03, 2013

NPI status registered as active in NPPES database

📍
Updated Practice Location May 03, 2013

Registered at 505 S MAIN ST STE 525, ORANGE, CA 928684553 (Tel: 7144565631)

📍
Updated Business Mailing Address May 03, 2013

Registered at 505 S MAIN ST STE 525, ORANGE, CA 928684553 (Tel: 7144565631)

👤
Provider Name / Credentials Updated May 03, 2013

Recorded as CYNTHIA BUI

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) May 03, 2013

Student in an Organized Health Care Education/Training Program

🟢
Initial NPI Registration & Enumeration May 03, 2013

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: 1104261296
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: May 03, 2013
Last Update: December 08, 2025
Sole Proprietor: No

Mailing Address

17877 Von Karman Ave Ste 210

Irvine, CA 926144227

Phone: 9496172525

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.