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

Individual provider Marriage & Family Therapist · NPI 1710140371

Mary Katherine McCrystal, LMFT is a Marriage & Family Therapist in Petaluma, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2008
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

7 4th St Ste 43
Petaluma, CA 94952-7402
Phone: (707) 479-3998
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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 52637 (CA)

Record details

NPI number1710140371
Entity typeIndividual (Type 1)
GenderFemale
Credentials LMFT
Sole proprietorYes
NPI enumeratedJuly 3, 2008
Last updated in NPPESFebruary 6, 2015

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