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TODD POU-YEN CHANG M.D.
NPI 1790991719
Pediatrics - Pediatric Emergency Medicine in Los Angeles, CA

Active since May 15, 2007PECOS Enrolled
4650 W SUNSET BLVD MSC #113, LOS ANGELES, CA 90027(323) 669-2109 Get Directions Write a Review

NPPES record last updated: February 16, 2010. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Todd Pou-yen Chang M.d. NPPES

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

TODD POU-YEN CHANG M.D. (NPI 1790991719) is an individual pediatric emergency medicine provider in Los Angeles, California, licensed in California (A94533) and active in the NPI registry since May 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790991719
Entity TypeIndividualMale
Primary Taxonomy2080P0204X
Provider Legal NameTODD POU-YEN CHANGCredential: M.D.
Location Address4650 W SUNSET BLVD MSC #113Los Angeles, CA 90027-6062
Mailing Address4650 Sunset Blvd. #113, Childrens Hospital Los AngelesLos Angeles, CA 90027 · (323) 669-2337 · Fax (323) 644-8491
Phone(323) 669-2109
Sole ProprietorNo
Enumeration DateMay 15, 2007
Last NPPES UpdateFebruary 16, 2010
✔ NPI 1790991719 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatrics · Pediatric Emergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code2080P0204X
License✔ Licensed in CA · A94533
Definition
A pediatrician who has special qualifications to manage emergencies in infants and children.

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Todd Pou-yen Chang 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 Reassignment

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

Children's Hospital Los Angeles Medical Group, Inc.
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.

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 Todd Chang's NPI number?

The NPI number for Todd Chang is 1790991719. It was assigned to this individual provider in the NPPES registry on May 15, 2007.

Where is Todd Chang located?

Todd Chang practices at 4650 W Sunset Blvd Msc #113, Los Angeles, CA 90027. The listed phone number is (323) 669-2109.

What is Todd Chang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Pediatric Emergency Medicine, with taxonomy code 2080P0204X.

Is Todd Chang enrolled in Medicare?

Yes. Todd Chang is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Todd Chang's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Todd Chang reassigns Medicare benefits to Children's Hospital Los Angeles Medical Group, Inc. (Los Angeles, 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 Todd Chang'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 Todd Chang was last updated on February 16, 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.