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

Dr. Tanya S. Chase, PSYD

Individual provider Addiction (Substance Use Disorder) Counselor · NPI 1154485506

Dr. Tanya S. Chase, PSYD is a Clinical Psychologist in Napa, California. Qualified in 2014, 12 years ago. Practices with Department of State Hospitals, a 276-clinician group and accepts Medicare assignment. Licensed in California.

Years since qualifying
12
Licensed in
CA
In the registry since
2006
Specialties on file
6
What do these letters mean?
PSYD — Doctor of Psychology
A doctoral psychologist trained primarily for clinical practice.

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Practice location Address checks out

2100 Napa Vallejo Hwy
Napa, CA 94558
Phone: (707) 253-5000
Fax: (707) 253-5097
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Psychologist (primary) Taxonomy 103T00000X · Licence 35132 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X · Licence C608111303 (CA)
Psychologist Taxonomy 103T00000X · Licence 94020865 (CA)
Psychologist Taxonomy 103T00000X · Licence RPS 2012698 (CA)
Counselor Taxonomy 101Y00000X · Licence RPS 2012698 (CA)
Addiction (Substance Use Disorder) Counselor Taxonomy 101YA0400X

Record details

NPI number1154485506
Entity typeIndividual (Type 1)
GenderFemale
Credentials PSYD
Sole proprietorNo
NPI enumeratedDecember 20, 2006
Last updated in NPPESAugust 2, 2024

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Department Of State Hospitals — 276 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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