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ELIZABETH C CHAO MD
NPI 1700179157
Medical Genetics - Clinical Genetics (M.D.) in Orange, CA

Active since May 18, 2011PECOS Enrolled
101 THE CITY DR S, ORANGE, CA 92868(714) 456-7004 Get Directions Write a Review

NPPES record last updated: July 8, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Elizabeth C Chao Md NPPES

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

ELIZABETH C CHAO MD (NPI 1700179157) is an individual clinical genetics (m.d.) provider in Orange, California, licensed in California (A89247) and active in the NPI registry since May 2011. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700179157
Entity TypeIndividualFemale
Primary Taxonomy207SG0201X
Provider Legal NameELIZABETH C CHAOCredential: MD
Location Address101 THE CITY DR SOrange, CA 92868-3201
Mailing AddressPo Box 513377Los Angeles, CA 90051-3377 · (714) 456-7004
Phone(714) 456-7004
Sole ProprietorNo
Enumeration DateMay 18, 2011
Last NPPES UpdateJuly 8, 2025
NPPES CertifiedJuly 8, 2025
✔ NPI 1700179157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtyMedical Genetics · Clinical Genetics (M.D.)Allopathic & Osteopathic Physicians
Taxonomy Code207SG0201X
License✔ Licensed in CA · A89247
Definition
A clinical geneticist demonstrates competence in providing comprehensive diagnostic, management and counseling services for genetic disorders.
Also ListedInternal MedicineTaxonomy 207R00000X · License A89247 (CA)
Also ListedMedical Genetics · Clinical Molecular GeneticsTaxonomy 207SG0203X · License A89247 (CA)
Also ListedPathology · Molecular Genetic PathologyTaxonomy 207ZP0007X · License A89247 (CA)
101 THE CITY DR S, Orange, CA 92868
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Elizabeth C Chao 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.

Medicare Billing Reassignment

Medicare enrollment records show Elizabeth Chao reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Uc Regents Uci Dept Of Pediatrics
0.3 mi
Pediatrics
101 THE CITY DR S
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 143 clinicians in this Medicare group
NPI 1235187311 (714) 456-8068

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Other Providers at the Same Location NPPES 20

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

DR. ANKIT BHUPENDRA PATEL D.O.
Radiology (Diagnostic Radiology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-5113
DR. LAURA CATHERINE SKOCZYLAS MD
Obstetrics & Gynecology
101 THE CITY DR S, BUILDING 56, DEPARTMENT OF OB/GYN
ORANGE, CA 92868
Orange County (714) 456-8224
MICHAEL CHENG DO
Internal Medicine (Rheumatology)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7110
AESTHETIC AND PLASTIC SURGERY INSTITUTE
Plastic Surgery
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-2986
JOSEPH VILLARREAL M.D.
Emergency Medicine
101 THE CITY DR S, BUILDING 1A, ROOM 1009
ORANGE, CA 92868
Orange County (714) 456-5239
DEMI TRAN
Psychiatry & Neurology (Neurology)
101 THE CITY DR S, CITY TOWER, SUITE 400
ORANGE, CA 92868
Orange County (171) 456-6693
DR. ISABEL CARLTON CLARK M.D.
Surgery (Trauma Surgery)
101 THE CITY DR S
ORANGE, CA 92868
Orange County (714) 456-7890
DYLAN LUKATO
Emergency Medicine
101 THE CITY DR S
ORANGE, CA 92868
Orange County (415) 218-8041

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 Elizabeth Chao's NPI number?

The NPI number for Elizabeth Chao is 1700179157. It was assigned to this individual provider in the NPPES registry on May 18, 2011.

Where is Elizabeth Chao located?

Elizabeth Chao practices at 101 The City Dr S, Orange, CA 92868. The listed phone number is (714) 456-7004.

What is Elizabeth Chao's specialty?

The primary specialty registered for this NPI is Medical Genetics, specializing in Clinical Genetics (M.D.), with taxonomy code 207SG0201X.

Is Elizabeth Chao enrolled in Medicare?

Yes. Elizabeth Chao is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Elizabeth Chao's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Elizabeth Chao reassigns Medicare benefits to Uc Regents Uci Dept Of Pediatrics (Orange, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Elizabeth Chao's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Elizabeth Chao was last updated on July 8, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.