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DR. NANCY C CHUNG M.D.
NPI 1093943375
Pediatrics in Brea, CA

Active since June 25, 2009PECOS Enrolled
407 W IMPERIAL HWY, H-171, BREA, CA 92821(562) 365-3540(714) 990-2754 Get Directions Write a Review

NPPES record last updated: April 29, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Dr. Nancy C Chung M.d. NPPES

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

DR. NANCY C CHUNG M.D. (NPI 1093943375) is an individual pediatrics provider in Brea, California, licensed in California (A61456) and active in the NPI registry since June 2009. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1093943375
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. NANCY C CHUNGCredential: M.D.
Location Address407 W IMPERIAL HWY, H-171Brea, CA 92821-4832
Mailing Address407 W Imperial Hwy, H-171Brea, CA 92821-4832 · (562) 365-3540 · Fax (714) 990-2754
Phone(562) 365-3540
Fax(714) 990-2754
Sole ProprietorYes
Enumeration DateJune 25, 2009
Last NPPES UpdateApril 29, 2010
✔ NPI 1093943375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
License✔ Licensed in CA · A61456
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.
407 W IMPERIAL HWY, Brea, CA 92821
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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)

Dr. Nancy C 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 Nancy Chung reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Ucr Health - Psychiatry
17 mi
Psychiatry
18881 VON KARMAN AVE # 1227
Irvine, CA 92612
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Regents Of The University Of California
  • 60 clinicians in this Medicare group
NPI 1336679109 (844) 827-8000
Children's Hospital Los Angeles Medical Group, Inc.
25 mi
Multi-Specialty
4650 SUNSET BLVD
Los Angeles, CA 90027
  • Reassigned Medicare billing, California enrollment
  • Medicare enrollment name: Childrens Hospital Los Angeles Medical Group Inc
  • 1,281 clinicians in this Medicare group
NPI 1265530653 (323) 361-2337

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92821 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 5

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

DR. FRANKLIN L DAWES M.D.
Internal Medicine
407 W IMPERIAL HWY, H-171
BREA, CA 92821
Orange County (562) 365-3540
DR. JADE-MING JENG MD
Pediatrics
407 W IMPERIAL HWY, H-171
BREA, CA 92821
Orange County (562) 365-3540
MR. RICKY LE LUU M.D.
Pediatrics
407 W IMPERIAL HWY, SUITE 105
BREA, CA 92821
Orange County (562) 365-3540
MRS. JESSICA LYNN WOODS RDA, RDH, RDHAP
Dental Hygienist
407 W IMPERIAL HWY, SUITE H175
BREA, CA 92821
Orange County (714) 292-3291
NICHOLAS ANTHONY MARTINEZ
Massage Therapist
407 W IMPERIAL HWY
BREA, CA 92821
Orange County (714) 492-0246

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 Nancy Chung's NPI number?

The NPI number for Nancy Chung is 1093943375. It was assigned to this individual provider in the NPPES registry on June 25, 2009.

Where is Nancy Chung located?

Nancy Chung practices at 407 W Imperial Hwy H-171, Brea, CA 92821. The listed phone number is (562) 365-3540.

What is Nancy Chung's specialty?

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

Is Nancy Chung enrolled in Medicare?

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

Which organizations bill Medicare for Nancy Chung's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Nancy Chung reassigns Medicare benefits to 2 organizations: Ucr Health - Psychiatry (Irvine, CA) and Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Nancy 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 Nancy Chung was last updated on April 29, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.