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

Dr. Timothy J Worden, PHD

Individual provider Addiction (Substance Use Disorder) Psychologist · NPI 1447488127

Dr. Timothy J Worden, PHD is an Addiction (Substance Use Disorder) Psychologist in Santa Rosa, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2009
Specialties on file
4
What do these letters mean?
PHD — Doctor of Philosophy
A research doctorate. In healthcare it usually sits alongside a clinical licence.

See every abbreviation used in this directory →

Practice location Address checks out

1160 N Dutton Ave Ste 230
Santa Rosa, CA 95401-4658
Phone: (707) 303-3201
Fax: (707) 526-8310
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PSY19475 (CA)
Addiction (Substance Use Disorder) Psychologist Taxonomy 103TA0400X · Licence PSY19475 (CA)
Health Psychologist Taxonomy 103TH0004X · Licence PSY19475 (CA)
Rehabilitation Psychologist Taxonomy 103TR0400X · Licence PSY19475 (CA)

Record details

NPI number1447488127
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJuly 1, 2009
Last updated in NPPESJuly 21, 2022

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