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

ASHLEY SUNG-YEON CHANG
NPI 1336963511
Social Worker - School in Redwood City, CA

Q: What is Ashley Chang's NPI number?

The NPI number for Ashley Chang is 1336963511. It was assigned to this individual provider in the NPPES registry on November 13, 2024.

Q: What is Ashley Chang's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

Q: When was this NPI record last updated?

The NPPES record for Ashley Chang was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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 November 13, 2024

350 TWIN DOLPHIN DR, REDWOOD CITY, CA 94065(831) 809-8642 Get Directions Write a Review

NPPES record last updated: August 6, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: Aug 6, 2026, Nov 13, 2024 (2 updates tracked since 2024).

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About Ashley Sung-yeon Chang NPPES

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

ASHLEY SUNG-YEON CHANG (NPI 1336963511) is an individual school provider in Redwood City, California and active in the NPI registry since November 2024.

NPPES Registry Identity

NPI1336963511

Entity TypeIndividualFemale

Primary Taxonomy1041S0200X

Provider Legal NameASHLEY SUNG-YEON CHANG

Location Address350 TWIN DOLPHIN DRRedwood City, CA 94065-1457

Mailing Address2001 Gateway PlSan Jose, CA 95110-1010 · (831) 809-8642

Phone(831) 809-8642

Sole ProprietorNo

Enumeration DateNovember 13, 2024

Last NPPES UpdateAugust 6, 20262 updates tracked since enumeration

NPPES CertifiedAugust 6, 2026

✔ NPI 1336963511 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · SchoolBehavioral Health & Social Service Providers

Taxonomy Code1041S0200X

350 TWIN DOLPHIN DR, Redwood City, CA 94065

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Other Providers at the Same Location NPPES 2

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

MS. REBECCA GRACE REEDER MS

Speech-Language Pathologist

350 TWIN DOLPHIN DR
REDWOOD CITY, CA 94065

San Mateo County (650) 201-8023

LORIEL ROMAN

Speech-Language Pathologist

350 TWIN DOLPHIN DR
REDWOOD CITY, CA 94065

San Mateo County (650) 259-8500

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 Ashley Chang's NPI number?

The NPI number for Ashley Chang is 1336963511. It was assigned to this individual provider in the NPPES registry on November 13, 2024.

Where is Ashley Chang located?

Ashley Chang practices at 350 Twin Dolphin Dr, Redwood City, CA 94065. The listed phone number is (831) 809-8642.

What is Ashley Chang's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in School, with taxonomy code 1041S0200X.

When was this NPI record last updated?

The NPPES record for Ashley Chang was last updated on August 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.