GIANNA LILLIAN JOHNSON
NPI 1669311973
Counselor - Mental Health in Sunnyvale, 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 Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Q: When was this NPI record last updated?

The NPPES record for Gianna Johnson was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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 25, 2026

1054 CARSON DR, SUNNYVALE, CA 94086(408) 522-8267 Get Directions Write a Review

NPPES record last updated: March 25, 2026. Verified against the NPPES registry weekly; last sync: August 09, 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 mental health provider in Sunnyvale, California and active in the NPI registry since March 2026. She maintains a secondary practice location in Sunnyvale.

NPPES Registry Identity

NPI1669311973

Entity TypeIndividualFemale

Primary Taxonomy101YM0800X

Provider Legal NameGIANNA LILLIAN JOHNSON

Location Address1054 CARSON DRSunnyvale, CA 94086-5806

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

Phone(408) 522-8267

Sole ProprietorNo

Enumeration DateMarch 25, 2026

NPPES CertifiedMarch 25, 2026

✔ NPI 1669311973 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

1054 CARSON DR, Sunnyvale, CA 94086

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Secondary Practice Location 1

Location 11080 Mango AveSunnyvale, CA 94087-1728 · Phone (408) 522-8288

Other Providers at the Same Location NPPES 3

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

RACHEL BOONE LCSW

Social Worker (School)

1054 CARSON DR
SUNNYVALE, CA 94086

Santa Clara County (669) 454-3546

MRS. DANIELLE LOWRY M.S., NCSP

Psychologist (School)

1054 CARSON DR
SUNNYVALE, CA 94086

Santa Clara County (408) 522-8267

CHANDRASHEKAR VITTALBABU

Speech-Language Pathologist

1054 CARSON DR
SUNNYVALE, CA 94086

Santa Clara County (408) 522-8267

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 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.

Where is Gianna Johnson located?

Gianna Johnson practices at 1054 Carson Dr, Sunnyvale, CA 94086. The listed phone number is (408) 522-8267.

What is Gianna Johnson'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 Gianna Johnson was last updated on March 25, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.