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DR. PETER J. CHUNG M.D.
NPI 1083813687
Pediatrics - Developmental - Behavioral Pediatrics in Santa Ana, CA

Active since July 13, 2007PECOS Enrolled
2500 REDHILL AVE STE 100, SANTA ANA, CA 92705(949) 267-0400(949) 221-0004 Get Directions Write a Review

NPPES record last updated: July 27, 2021. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Dr. Peter J. Chung M.d. NPPES

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

DR. PETER J. CHUNG M.D. (NPI 1083813687) is an individual developmental - behavioral pediatrics provider in Santa Ana, California, licensed in California (A108088) and active in the NPI registry since July 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1083813687
Entity TypeIndividualMale
Primary Taxonomy2080P0006X
Provider Legal NameDR. PETER J. CHUNGCredential: M.D.
Location Address2500 REDHILL AVE STE 100Santa Ana, CA 92705-5518
Mailing Address2500 Redhill Ave Ste 100Santa Ana, CA 92705-5518 · (949) 267-0400 · Fax (949) 221-0004
Phone(949) 267-0400
Fax(949) 221-0004
Sole ProprietorYes
Enumeration DateJuly 13, 2007
Last NPPES UpdateJuly 27, 2021
NPPES CertifiedJuly 27, 2021
✔ NPI 1083813687 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPediatrics · Developmental - Behavioral PediatricsAllopathic & Osteopathic Physicians
Taxonomy Code2080P0006X
License✔ Licensed in CA · A108088
Definition
A 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 advocacy efforts. This physician assists in the prevention, diagnosis, and management of developmental difficulties and problematic behaviors in children and in the family dysfunctions that compromise children's development.
Also ListedPediatricsTaxonomy 208000000X · License A108088 (CA)
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
2500 REDHILL AVE STE 100, Santa Ana, CA 92705
Open in Google Maps ↗

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X MULTIPLE SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Peter J. Chung M.d. 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 Reassignments

2

Medicare enrollment records show Peter Chung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Children's Hospital Of Orange County
5.2 mi
Pediatrics
1201 W LA VETA AVE
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Of Orange County
  • 190 clinicians in this Medicare group
NPI 1275975104 (714) 509-8649
Uc Regents Uci Dept Of Pediatrics
6.1 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.

LISA MARIE BROWN
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571
JENNIFER E JOLIN
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571
REBECCA CHRISTINE GRAHAM
Occupational Therapist
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571
NOLAN MORRIS MARSHALL
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571
MARIA AGUILAR
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (858) 304-6440
AMETHYST IBARRA
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571
JENNIFER GARCIA
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571
LINDSAY HAMILTON
Behavior Technician
2500 REDHILL AVE STE 100
SANTA ANA, CA 92705
Orange County (949) 748-8571

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 Peter Chung's NPI number?

The NPI number for Peter Chung is 1083813687. It was assigned to this individual provider in the NPPES registry on July 13, 2007.

Where is Peter Chung located?

Peter Chung practices at 2500 Redhill Ave Ste 100, Santa Ana, CA 92705. The listed phone number is (949) 267-0400.

What is Peter Chung's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Developmental - Behavioral Pediatrics, with taxonomy code 2080P0006X.

Is Peter Chung enrolled in Medicare?

Yes. Peter Chung is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Peter Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Peter Chung reassigns Medicare benefits to 2 organizations: Children's Hospital Of Orange County (Orange, CA) and Uc Regents Uci Dept Of Pediatrics (Orange, CA). Each 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 Peter Chung'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 Peter Chung was last updated on July 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.