1. Home
  2. Directory
  3. California
  4. Irvine
  5. Pediatrics
  6. NPI Profile

CYNTHIA HANH LE BUI MD
NPI 1104261296
Pediatrics in Irvine, CA

Active since May 03, 2013PECOS Enrolled
17877 VON KARMAN AVE STE 210, IRVINE, CA 92614(949) 617-2525(949) 617-3535 Get Directions Write a Review

NPPES record last updated: December 8, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 8, 2025, Mar 2, 2022, Sep 22, 2021 and 1 more (4 updates tracked since 2019).

About Cynthia Hanh Le Bui Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

CYNTHIA HANH LE BUI MD (NPI 1104261296) is an individual pediatrics provider in Irvine, California, licensed in California (A134222) and active in the NPI registry since May 2013. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1104261296
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameCYNTHIA HANH LE BUICredential: MD
Location Address17877 VON KARMAN AVE STE 210Irvine, CA 92614-4227
Mailing Address17877 Von Karman Ave Ste 210Irvine, CA 92614-4227 · (949) 617-2525 · Fax (949) 617-3535
Phone(949) 617-2525
Fax(949) 617-3535
Sole ProprietorNo
Enumeration DateMay 3, 2013
Last NPPES UpdateDecember 8, 20254 updates tracked since enumeration
NPPES CertifiedDecember 8, 2025
✔ NPI 1104261296 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses✔ Licensed in CA · A134222✔ Licensed in CA · A1344222
Definition
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.
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
17877 VON KARMAN AVE STE 210, Irvine, CA 92614
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Cynthia Hanh Le Bui Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92614 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$96.36 typical visit price
range $62.96 – $187.60
Typical copayment $24.09 (range $15.74 – $46.90)
Most-billed visit code 99203
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 4

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SUNSHINE PEDIATRICS OC INC
Pediatrics
17877 VON KARMAN AVE STE 210
IRVINE, CA 92614
Orange County (949) 617-2525
DR. CHRISTINE WANG KORNU MD
Pediatrics
17877 VON KARMAN AVE STE 210
IRVINE, CA 92614
Orange County (949) 617-2525
SANDY OAK LEE MD
Pediatrics
17877 VON KARMAN AVE STE 210
IRVINE, CA 92614
Orange County (949) 617-2525
JIYEON KIM M.D.
Pediatrics
17877 VON KARMAN AVE STE 210
IRVINE, CA 92614
Orange County (949) 617-2525

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Cynthia Bui's NPI number?

The NPI number for Cynthia Bui is 1104261296. It was assigned to this individual provider in the NPPES registry on May 3, 2013.

Where is Cynthia Bui located?

Cynthia Bui practices at 17877 Von Karman Ave Ste 210, Irvine, CA 92614. The listed phone number is (949) 617-2525.

What is Cynthia Bui's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Cynthia Bui enrolled in Medicare?

Yes. Cynthia Bui is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Cynthia Bui was last updated on December 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.