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

Joseph Day, MFT

Individual provider Marriage & Family Therapist · NPI 1659518330

Joseph Day, MFT is a Marriage & Family Therapist in San Francisco, California. Licensed in California. Registered with an NPI since 2009.

Licensed in
CA
In the registry since
2009
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

982 Mission St
San Francisco, CA 94103-2911
Phone: (415) 271-8610
Fax: (415) 597-8004
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence 42844 (CA)

Record details

NPI number1659518330
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT
Sole proprietorNo
NPI enumeratedJanuary 16, 2009
Last updated in NPPESJanuary 16, 2009

Other providers in San Francisco