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

Mark Gass

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1679069389

Mark Gass is an Addiction (Substance Use Disorder) Counselor in Vista, California. Practices as a sole proprietor. Registered with an NPI since 2018.

In the registry since
2018

Practice location Address checks out

993 Postal Way
Vista, CA 92083-6945
Phone: (760) 630-9922
Fax: (760) 630-9996
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

Record details

NPI number1679069389
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorYes
NPI enumeratedJuly 5, 2018
Last updated in NPPESJuly 5, 2018
Mailing address993 Postal Way, Vista, CA 92083-6945

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