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

William Michael Dellefield, MA, MFT

Individual provider Marriage & Family Therapist · NPI 1689773061

William Michael Dellefield, MA, MFT is a Marriage & Family Therapist in Aliso Viejo, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
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

5 Mareblu
Aliso Viejo, CA 92656-3014
Phone: (949) 643-6930
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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 35855 (CA)

Record details

NPI number1689773061
Entity typeIndividual (Type 1)
GenderMale
Credentials MA , MFT
Sole proprietorNo
NPI enumeratedSeptember 21, 2006
Last updated in NPPESJuly 10, 2007

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