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

John David Mason, MFT

Individual provider Marriage & Family Therapist · NPI 1295837276

John David Mason, MFT is a Marriage & Family Therapist in Lafayette, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
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

3468 Mt Diablo Blvd Ste B 201
Lafayette, CA 94549-3957
Phone: (925) 942-5727
Fax: (925) 284-1599
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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 MFC39531 (CA)

Record details

NPI number1295837276
Entity typeIndividual (Type 1)
GenderMale
Credentials MFT
Sole proprietorYes
NPI enumeratedSeptember 1, 2006
Last updated in NPPESJuly 8, 2007
Mailing address3468 Mt Diablo Blvd, Suite B 201, Lafayette, CA 94549-3957

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