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

Individual provider Mental Health Counselor · NPI 1568507572

Dr. Jan Chess, PHD is a Mental Health Counselor in Davis, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2007
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

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Practice location Address checks out

604 3rd St
Davis, CA 95616-4553
Phone: (530) 758-1162
Fax: (530) 758-1162
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Specialties & licences

Mental Health Counselor (primary) Taxonomy 101YM0800X · Licence MFT 23874 (CA)

Record details

NPI number1568507572
Entity typeIndividual (Type 1)
GenderFemale
Credentials PHD
Sole proprietorYes
NPI enumeratedFebruary 20, 2007
Last updated in NPPESJuly 8, 2007
Mailing address604 3rd St, Davis, CA 95616-4553

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