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

ETHAN TONOMURA
NPI 1598317604
Marriage & Family Therapist in San Jose, CA

Active since July 10, 2019
3588 ZANKER RD, SAN JOSE, CA 95134(408) 423-2000 Get Directions Write a Review

NPPES record last updated: August 13, 2026. Verified against the NPPES registry weekly; last sync: August 30, 2026.

Record update history: Aug 13, 2026, Jan 20, 2026, Dec 10, 2025 and 1 more (4 updates tracked since 2019).

About Ethan Tonomura NPPES

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

ETHAN TONOMURA (NPI 1598317604) is an individual marriage & family therapist in San Jose, California, licensed in California (160594) and active in the NPI registry since July 2019.

NPPES Registry Identity

NPI1598317604
Entity TypeIndividualMale
Primary Taxonomy106H00000X
Provider Legal NameETHAN TONOMURA
Location Address3588 ZANKER RDSan Jose, CA 95134-2201
Mailing Address216 Fernwood DrMoraga, CA 94556-2116
Phone(408) 423-2000
Sole ProprietorNo
Enumeration DateJuly 10, 2019
Last NPPES UpdateAugust 13, 20264 updates tracked since enumeration
NPPES CertifiedAugust 13, 2026
✔ NPI 1598317604 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in CA · 160594
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
3588 ZANKER RD, San Jose, CA 95134
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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.

PACIFIC CLINICS
Community/Behavioral Health
3588 ZANKER RD
SAN JOSE, CA 95134
Santa Clara County (669) 369-4400
MS. JODI LYNN QUINTON BSN, RN PHN
Registered Nurse
3588 ZANKER RD
SAN JOSE, CA 95134
Santa Clara County (408) 369-4420

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 Ethan Tonomura's NPI number?

The NPI number for Ethan Tonomura is 1598317604. It was assigned to this individual provider in the NPPES registry on July 10, 2019.

Where is Ethan Tonomura located?

Ethan Tonomura practices at 3588 Zanker Rd, San Jose, CA 95134. The listed phone number is (408) 423-2000.

What is Ethan Tonomura's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Ethan Tonomura was last updated on August 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.