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

GIANNA LILLIAN JOHNSON
NPI 1669311973
Marriage & Family Therapist in San Jose, CA

Q: What is Gianna Johnson's NPI number?

The NPI number for Gianna Johnson is 1669311973. It was assigned to this individual provider in the NPPES registry on March 25, 2026.

Q: What is Gianna Johnson's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Gianna Johnson was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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 March 25, 2026

2635 ZANKER RD, SAN JOSE, CA 95134(408) 292-9353 Get Directions Write a Review

NPPES record last updated: September 8, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 8, 2026, Mar 25, 2026 (2 updates tracked since 2026).

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About Gianna Lillian Johnson NPPES

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

GIANNA LILLIAN JOHNSON (NPI 1669311973) is an individual marriage & family therapist in San Jose, California, licensed in California (165002) and active in the NPI registry since March 2026.

NPPES Registry Identity

NPI1669311973

Entity TypeIndividualFemale

Primary Taxonomy106H00000X

Provider Legal NameGIANNA LILLIAN JOHNSON

Location Address2635 ZANKER RDSan Jose, CA 95134-2107

Mailing Address459 Avenue Del OraRedwood City, CA 94062-2201 · (650) 556-4898

Phone(408) 292-9353

Sole ProprietorNo

Enumeration DateMarch 25, 2026

Last NPPES UpdateSeptember 8, 20262 updates tracked since enumeration

NPPES CertifiedMarch 25, 2026

✔ NPI 1669311973 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 · 165002

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.

2635 ZANKER RD, San Jose, CA 95134

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Other Providers at the Same Location NPPES 20

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

YUN-CHIEN KU LMFT

Marriage & Family Therapist