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

MS. Mary Vaste Gillis, MFT

Individual provider Marriage & Family Therapist · NPI 1548485642

MS. Mary Vaste Gillis, MFT is a Marriage & Family Therapist in Petaluma, California. Licensed in California. Registered with an NPI since 2007.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

115 Liberty St Ste 1
Petaluma, CA 94952-2320
Phone: (707) 765-9021
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 MFT29225 (CA)

Record details

NPI number1548485642
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorNo
NPI enumeratedApril 16, 2007
Last updated in NPPESAugust 5, 2019

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