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

MS. Mary Ann Leff, MS

Individual provider Marriage & Family Therapist · NPI 1053434902

MS. Mary Ann Leff, MS is a Marriage & Family Therapist in Berkeley, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MS — Master of Science
A graduate science degree.

See every abbreviation used in this directory →

Practice location Address checks out

1409 Edith St
Berkeley, CA 94703-1121
Phone: (510) 526-4246
Fax: (510) 528-7732
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 MFC15417 (CA)

Record details

NPI number1053434902
Entity typeIndividual (Type 1)
GenderFemale
Credentials MS
Sole proprietorYes
NPI enumeratedApril 7, 2007
Last updated in NPPESApril 26, 2017

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