DYANN M CHAO M.D.
NPI 1235422155
Pediatrics in San Francisco, CA

Active since May 25, 2011
3838 CALIFORNIA ST RM 510, SAN FRANCISCO, CA 94118(415) 600-2403(415) 379-1294 Get Directions Write a Review

NPPES record last updated: March 7, 2023. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Mar 7, 2023, May 1, 2019, Apr 18, 2019 (3 updates tracked since 2019).

About Dyann M Chao M.d. NPPES

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

DYANN M CHAO M.D. (NPI 1235422155) is an individual pediatrics provider in San Francisco, California, licensed in California (A82469) and active in the NPI registry since May 2011. She maintains a secondary practice location in San Francisco.

NPPES Registry Identity

NPI1235422155
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDYANN M CHAOCredential: M.D.
Location Address3838 CALIFORNIA ST RM 510San Francisco, CA 94118
Mailing Address2350 W El Camino Real, Fl 2Mountain View, CA 94040-6203 · (415) 600-2403 · Fax (415) 379-1294
Fax(415) 379-1294
Sole ProprietorNo
Enumeration DateMay 25, 2011
Last NPPES UpdateMarch 7, 20233 updates tracked since enumeration
NPI 1235422155 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses Licensed in CA · A82469 Licensed in LA · 25455
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.
3838 CALIFORNIA ST RM 510, San Francisco, CA 94118

Secondary Practice Location 1

Location 1350 Rhode Island St Ste 200San Francisco, CA 94103-5188 · Phone (415) 826-7575 · Fax (415) 369-1393

Other Identifiers 1

OtherA82469CA · State Medical License

Other Providers at the Same Location NPPES

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

Pediatrics
3838 CALIFORNIA ST RM 510
SAN FRANCISCO, CA 94118

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 Dyann Chao's NPI number?

The NPI number for Dyann Chao is 1235422155. It was assigned to this individual provider in the NPPES registry on May 25, 2011.

Where is Dyann Chao located?

Dyann Chao practices at 3838 California St Rm 510, San Francisco, CA 94118. The listed phone number is (415) 600-2403.

What is Dyann Chao's specialty?

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

When was this NPI record last updated?

The NPPES record for Dyann Chao was last updated on March 7, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.