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

Individual provider Marriage & Family Therapist · NPI 1427196344

Dennis Joseph Wasco, MA, MFT is a Marriage & Family Therapist in Clayton, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
MA — Master of Arts
A graduate arts degree.
MFT — Marriage and Family Therapist
A therapist who treats couples and families.

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Practice location Address checks out

579 Mt Olivet Pl
Clayton, CA 94517-1609
Phone: (925) 852-5280
Fax: (925) 757-9024
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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 MFC 50434 (CA)

Record details

NPI number1427196344
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , MFT
Sole proprietorYes
NPI enumeratedFebruary 2, 2007
Last updated in NPPESSeptember 25, 2013

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