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

Joanna Harris

Individual provider Mental Health Counselor · NPI 1255037206

Joanna Harris is a Mental Health Counselor in Castro Valley, California. Registered with an NPI since 2023.

In the registry since
2023

Practice location Address checks out

4537 Edwards Ln
Castro Valley, CA 94546-4734
Phone: (510) 690-1330
Fax: (510) 690-1331
Show map & directions

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

Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X

Record details

NPI number1255037206
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedFebruary 1, 2023
Last updated in NPPESFebruary 1, 2023
Certification dateFebruary 1, 2023
Mailing address19346 Meekland Ave Apt 15, Hayward, CA 94541-1952

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