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

Mr. William Mullen, LMFT

Individual provider Marriage & Family Therapist · NPI 1205998275

Mr. William Mullen, LMFT is a Marriage & Family Therapist in Vacaville, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
LMFT — Licensed Marriage and Family Therapist
A therapist licensed to treat couples and families.

See every abbreviation used in this directory →

Practice location Address checks out

3700 Vaca Valley Pkwy C.o Kaiser Permanente
Vacaville, CA 95688-9430
Phone: (707) 453-5334
Fax: (707) 453-2993
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Marriage & Family Therapist (primary) Taxonomy 106H00000X · Licence MFC32884 (CA)

Record details

NPI number1205998275
Entity typeIndividual (Type 1)
GenderMale
Credentials LMFT
Sole proprietorYes
NPI enumeratedDecember 15, 2006
Last updated in NPPESJuly 8, 2007

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