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

Timothy S Cahn, PHD

Individual provider Clinical Psychologist · NPI 1316099278

Timothy S Cahn, PHD is a Clinical Psychologist in Seattle, Washington. Graduated from University of Washington School of Medicine in 1989, 37 years ago. Practices as a sole proprietor, accepts Medicare assignment and offers telehealth. Licensed in Washington.

Years since qualifying
37
Trained at
University of Washington School of Medicine
Licensed in
WA
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.

See every abbreviation used in this directory →

Practice location Address checks out

901 Boren Ave Ste 1010
Seattle, WA 98104
Phone: (206) 624-1856
Fax: (206) 675-9475
Show map & directions

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

Specialties & licences

Clinical Psychologist (primary) Taxonomy 103TC0700X · Licence PY1315 (WA)

Record details

NPI number1316099278
Entity typeIndividual (Type 1)
GenderMale
Credentials PHD
Sole proprietorYes
NPI enumeratedJanuary 18, 2007
Last updated in NPPESDecember 8, 2011
Mailing address901 Boren Avenue, Suite 1010, Seattle, WA 98104

Medicare enrollment

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

Medicare specialtyCLINICAL PSYCHOLOGIST
Medical schoolUNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE
Graduated 1989 (37 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

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