Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

YUN CHEONG CHANG MD
NPI 1790472454
Pediatrics - Neonatal-Perinatal Medicine in San Francisco, CA

Q: What is Yun Cheong Chang's NPI number?

The NPI number for Yun Cheong Chang is 1790472454. It was assigned to this individual provider in the NPPES registry on April 21, 2023.

Q: What is Yun Cheong Chang's specialty?

The primary specialty registered for this NPI is Pediatrics, specializing in Neonatal-Perinatal Medicine, with taxonomy code 2080N0001X.

Q: When was this NPI record last updated?

The NPPES record for Yun Cheong Chang was last updated on August 10, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days 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.

Active since April 21, 2023PECOS Enrolled

350 RHODE ISLAND ST STE 200, SAN FRANCISCO, CA 94103(415) 600-6420 Get Directions Write a Review

NPPES record last updated: August 10, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

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About Yun Cheong Chang Md NPPES

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

YUN CHEONG CHANG MD (NPI 1790472454) is an individual neonatal-perinatal medicine provider in San Francisco, California, licensed in California (A209264) and active in the NPI registry since April 2023. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1790472454

Entity TypeIndividualFemale

Primary Taxonomy2080N0001X

Provider Legal NameYUN CHEONG CHANGCredential: MD

Location Address350 RHODE ISLAND ST STE 200San Francisco, CA 94103-5188

Mailing Address350 Rhode Island St Ste 200San Francisco, CA 94103-5188 · (415) 600-6242

Phone(415) 600-6420

Sole ProprietorNo

Enumeration DateApril 21, 2023

Last NPPES UpdateAugust 10, 2026

NPPES CertifiedAugust 10, 2026

✔ NPI 1790472454 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyPediatrics · Neonatal-Perinatal MedicineAllopathic & Osteopathic Physicians

Taxonomy Code2080N0001X

License✔ Licensed in CA · A209264

Definition

A pediatrician who is the principal care provider for sick newborn infants. Clinical expertise is used for direct patient care and for consulting with obstetrical colleagues to plan for the care of mothers who have high-risk pregnancies.

Also ListedPediatricsTaxonomy 208000000X · License A209264 (CA)

350 RHODE ISLAND ST STE 200, San Francisco, CA 94103

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Yun Cheong Chang 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.

Other Providers at the Same Location NPPES 12

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

JENNA J GUTIERREZ FNP-BC

Nurse Practitioner (Family)