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

DEIRDRE NAGAYAMA
NPI 1497420715
Counselor - Mental Health in Palo Alto, CA

Q: What is Deirdre Nagayama's NPI number?

The NPI number for Deirdre Nagayama is 1497420715. It was assigned to this individual provider in the NPPES registry on August 10, 2021.

Q: What is Deirdre Nagayama'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 Deirdre Nagayama was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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 August 10, 2021

4232 DAKE AVE, PALO ALTO, CA 94306(415) 846-2549 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 29, 2026, Aug 10, 2021 (2 updates tracked since 2021).

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About Deirdre Nagayama NPPES

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

DEIRDRE NAGAYAMA (NPI 1497420715) is an individual mental health provider in Palo Alto, California, licensed in California (APCC7263) and active in the NPI registry since August 2021.

NPPES Registry Identity

NPI1497420715

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameDEIRDRE NAGAYAMA

Location Address4232 DAKE AVEPalo Alto, CA 94306-4617

Mailing Address4232 Dake AvePalo Alto, CA 94306-4617 · (415) 846-2549

Phone(415) 846-2549

Sole ProprietorNo

Enumeration DateAugust 10, 2021

Last NPPES UpdateSeptember 29, 20262 updates tracked since enumeration

NPPES CertifiedAugust 10, 2021

✔ NPI 1497420715 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 · APCC7263

4232 DAKE AVE, Palo Alto, CA 94306

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Other Identifiers 1

MedicaidAPCC7263CA

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 Deirdre Nagayama's NPI number?

The NPI number for Deirdre Nagayama is 1497420715. It was assigned to this individual provider in the NPPES registry on August 10, 2021.

Where is Deirdre Nagayama located?

Deirdre Nagayama practices at 4232 Dake Ave, Palo Alto, CA 94306. The listed phone number is (415) 846-2549.

What is Deirdre Nagayama'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 Deirdre Nagayama was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 34 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.