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TIMOTHY S. CAHN PHD, INC.
NPI 1699043273
Psychologist - Clinical in Seattle, WA

Active since December 09, 2011
901 BOREN AVE STE 1010, SEATTLE, WA 98104(206) 624-1856(206) 625-9475 Get Directions Write a Review

NPPES record last updated: December 9, 2011. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Timothy S. Cahn Phd, Inc. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

TIMOTHY S. CAHN PHD, INC. (NPI 1699043273) is a healthcare organization registered as a clinical in Seattle, Washington and active in the NPI registry since December 2011. The organization lists Timothy S Cahn, Owner, as its authorized official.

NPPES Registry Identity

NPI1699043273
Entity TypeOrganization
Primary Taxonomy103TC0700X
Legal Business NameTIMOTHY S. CAHN PHD, INC.
Location Address901 BOREN AVE STE 1010Seattle, WA 98104-3506
Mailing Address901 Boren Ave Ste 1010Seattle, WA 98104-3506 · (206) 624-1856 · Fax (206) 625-9475
Phone(206) 624-1856
Fax(206) 625-9475
Organization SubpartNo
Authorized OfficialTimothy S CahnOwner · (206) 624-1856
Enumeration DateDecember 9, 2011
✔ NPI 1699043273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in WA · 1315
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
901 BOREN AVE STE 1010, Seattle, WA 98104
Open in Google Maps ↗

Other Identifiers 1

OtherG000120432WA · Ptan

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Premera Blue Cross Blue Shield of Alaska.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Timothy S. Cahn Phd, Inc. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateWashingtonEnrollment IDO20120323000468Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Timothy S. Cahn Phd, Inc., which bills Medicare for the services this clinician delivers.

Clinician (1)

Timothy Cahn, PHD
Clinical Psychologist
NPI 1316099278
901 BOREN AVENUE SUITE 1010
Seattle, WA 98104
(206) 624-1856
✔ PECOS✔ Accepts MedicareSame address

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Timothy S. Cahn Phd, Inc.'s NPI number?

The NPI number for Timothy S. Cahn Phd, Inc. is 1699043273. It was assigned to this organization in the NPPES registry on December 9, 2011.

Where is Timothy S. Cahn Phd, Inc. located?

Timothy S. Cahn Phd, Inc. is located at 901 Boren Ave Ste 1010, Seattle, WA 98104. The listed phone number is (206) 624-1856.

What is Timothy S. Cahn Phd, Inc.'s specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Timothy S. Cahn Phd, Inc. enrolled in Medicare?

Yes. Timothy S. Cahn Phd, Inc. is registered in the Medicare PECOS enrollment system.

When is Timothy S. Cahn Phd, Inc.'s Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Washington, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Timothy S. Cahn Phd, Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Psychologist) reassigns their Medicare billing to Timothy S. Cahn Phd, Inc.. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Timothy S. Cahn Phd, Inc. accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Timothy S. Cahn Phd, Inc. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Timothy S. Cahn Phd, Inc. was last updated on December 9, 2011. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.