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

Marissa Catherine Shannon, MFT

Individual provider Marriage & Family Therapist · NPI 1124355631

Marissa Catherine Shannon, MFT is a Marriage & Family Therapist in Walnut Creek, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
Specialties on file
2
What do these letters mean?
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

1460 Maria Ln Ste 300
Walnut Creek, CA 94596-5314
Phone: (925) 644-0400
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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 LMFT53746 (CA)
Marriage & Family Therapist Taxonomy 106H00000X · Licence IMF 60402 (CA)

Record details

NPI number1124355631
Entity typeIndividual (Type 1)
GenderFemale
Credentials MFT
Sole proprietorYes
NPI enumeratedNovember 5, 2009
Last updated in NPPESNovember 17, 2021
Certification dateNovember 17, 2021

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