Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Gianna Lillian Johnson

Individual provider Mental Health Counselor · NPI 1669311973

Gianna Lillian Johnson is a Mental Health Counselor in Sunnyvale, California. Works from 2 locations. Registered with an NPI since 2026.

In the registry since
2026

Practice location Address checks out

1054 Carson Dr
Sunnyvale, CA 94086-5806
Phone: (408) 522-8267
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1080 Mango Ave, Sunnyvale, CA 94087-1728 — (408) 522-8288

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1669311973
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedMarch 25, 2026
Last updated in NPPESMarch 25, 2026
Certification dateMarch 25, 2026
Mailing address459 Avenue Del Ora, Redwood City, CA 94062-2201

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