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

Leah Southwick, LMFT

Individual provider Marriage & Family Therapist · NPI 1356475735

Leah Southwick, LMFT is a Marriage & Family Therapist in Los Alamitos, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

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Practice location Address checks out

12021 Old Mill Rd
Los Alamitos, CA 90720-4322
Phone: (310) 409-7907
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence IMF 47510 (CA)

Record details

NPI number1356475735
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedMarch 15, 2007
Last updated in NPPESAugust 19, 2021
Certification dateAugust 19, 2021

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