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

Jason Christopher Zelis

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1366967259

Jason Christopher Zelis is an Addiction (Substance Use Disorder) Counselor in Clayton, California. Licensed in California. Registered with an NPI since 2017.

Licensed in
CA
In the registry since
2017

Practice location Address checks out

11540 Marsh Creek Rd
Clayton, CA 94517-9759
Phone: (925) 672-5700
Fax: (925) 672-5700
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 9078-R (CA)

Record details

NPI number1366967259
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedAugust 11, 2017
Last updated in NPPESAugust 11, 2017

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