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

Mary Lou Devlin, LMFT

Individual provider Marriage & Family Therapist · NPI 1194177030

Mary Lou Devlin, LMFT is a Marriage & Family Therapist in Westlake Village, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2016
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

3435 E Thousand Oaks Blvd Unit 4312
Westlake Village, CA 91359-7949
Phone: (805) 849-7828
Show map & directions

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

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence LMFT37377 (CA)

Record details

NPI number1194177030
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedJuly 3, 2016
Last updated in NPPESMarch 22, 2025
Certification dateMarch 22, 2025

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