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

Gary John Dillahunty

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1659564623

Gary John Dillahunty is an Addiction (Substance Use Disorder) Counselor in Vallejo, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007

Practice location Address checks out

419 Pennsylvania St
Vallejo, CA 94590-6933
Phone: (707) 643-2715
Show map & directions

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

Specialties & licences

Addiction (Substance Use Disorder) Counselor (primary) Taxonomy 101YA0400X · Licence 101YA0400X (CA)

Record details

NPI number1659564623
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedAugust 23, 2007
Last updated in NPPESAugust 23, 2007

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