Doctor profile · Federal record

Dr. Timothy Cahn, PHD

Clinical Psychologist · Seattle, WA

  • NPI 1316099278
  • Accepts Medicare
  • 37 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
901 Boren Avenue, Suite 1010
Seattle, WA 98104
(206) 624-1856
fax (206) 675-9475

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
December 8, 2011
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
103TC0700X — NUCC code
State license (1)
Washington #PY1315

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1316099278. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
248
Distinct HCPCS
1
Medicare allowed
$38,418
HCPCS Description Services Patients Avg allowed
90837 Psychotherapy, 1 hour 248 13 $155

In context: peer comparison

Among 16 peers in this city , average services per provider: 88. This provider delivers 2.8× the peer median.

Frequently asked questions

Auto-generated from federal data
What is Dr. Timothy Cahn's medical specialty?
Dr. Timothy Cahn practices Clinical Psychologist in Seattle, WA.
Where does Dr. Timothy Cahn practice?
Dr. Timothy Cahn practices at 901 Boren Avenue, Seattle, WA 98104. Office phone: 2066241856.
What is Dr. Timothy Cahn's NPI?
Dr. Timothy Cahn's National Provider Identifier (NPI) is 1316099278, issued by NPPES.
Does Dr. Timothy Cahn accept Medicare assignment?
Yes. Dr. Timothy Cahn accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Timothy Cahn commonly perform?
Top Medicare-reported procedures in 2023: Psychotherapy (HCPCS 90837). Source: CMS Medicare Physician & Other Practitioners file.