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

Alexandra Joy Sideroff, LMFT, LMHC

Individual provider Marriage & Family Therapist · NPI 1356599831

Alexandra Joy Sideroff, LMFT, LMHC is a Marriage & Family Therapist in Berkeley, California. Practices as a sole proprietor. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.
LMHC — Licensed Mental Health Counselor
A licensed mental health counsellor; the title used in Florida, New York and Washington among others.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

1918 Bonita Ave Ste 200
Berkeley, CA 94704-1014
Phone: (415) 944-7685
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

Record details

NPI number1356599831
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT , LMHC
Sole proprietorYes
NPI enumeratedSeptember 9, 2008
Last updated in NPPESJanuary 11, 2022
Certification dateJanuary 11, 2022

Other providers in Berkeley