CHARLES CHANG LMFT
NPI 1972637650
Counselor - Mental Health in Cupertino, CA

Q: What is Charles Chang's NPI number?

The NPI number for Charles Chang is 1972637650. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Q: What is Charles Chang's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Charles Chang was last updated on May 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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 March 15, 2007

21710 STEVEN CREEK BLVD, STE 240, CUPERTINO, CA 95014(408) 475-6228 Get Directions Write a Review

NPPES record last updated: May 16, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: May 16, 2026, Oct 27, 2022 (2 updates tracked since 2022).

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About Charles Chang Lmft NPPES

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

CHARLES CHANG LMFT (NPI 1972637650) is an individual mental health provider in Cupertino, California, licensed in California (LMFT47841) and active in the NPI registry since March 2007.

NPPES Registry Identity

NPI1972637650

Entity TypeIndividualMale

Primary Taxonomy101YM0800X

Provider Legal NameCHARLES CHANGCredential: LMFT

Location Address21710 STEVEN CREEK BLVD, STE 240Cupertino, CA 95014-1172

Mailing Address2010 El Camino Real # 449Santa Clara, CA 95050-4051 · (408) 475-6228

Phone(408) 475-6228

Sole ProprietorYes

Enumeration DateMarch 15, 2007

Last NPPES UpdateMay 16, 20262 updates tracked since enumeration

NPPES CertifiedMay 16, 2026

✔ NPI 1972637650 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

License✔ Licensed in CA · LMFT47841

21710 STEVEN CREEK BLVD, STE 240, Cupertino, CA 95014

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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 Charles Chang's NPI number?

The NPI number for Charles Chang is 1972637650. It was assigned to this individual provider in the NPPES registry on March 15, 2007.

Where is Charles Chang located?

Charles Chang practices at 21710 Steven Creek Blvd, Ste 240, Cupertino, CA 95014. The listed phone number is (408) 475-6228.

What is Charles Chang's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

When was this NPI record last updated?

The NPPES record for Charles Chang was last updated on May 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months 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.