MS. JACQUELINE KATHLEEN KOSAK
NPI 1891262861
Counselor - Mental Health in Seattle, WA

Active since October 29, 2018Opted out of Medicare · through Jan 1, 2028
2600 SW HOLDEN ST, SEATTLE, WA 98126(206) 933-7106 Get Directions Write a Review

NPPES record last updated: October 29, 2018. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Jacqueline Kathleen Kosak NPPES

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

MS. JACQUELINE KATHLEEN KOSAK (NPI 1891262861) is an individual mental health provider in Seattle, Washington, licensed in Washington (MC60831021) and active in the NPI registry since October 2018. She has opted out of Medicare through January 1, 2028.

NPPES Registry Identity

NPI1891262861
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameMS. JACQUELINE KATHLEEN KOSAK
Location Address2600 SW HOLDEN STSeattle, WA 98126-3505
Mailing Address2015 S Main St Unit CSeattle, WA 98144-2204
Sole ProprietorYes
Enumeration DateOctober 29, 2018
NPI 1891262861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License Licensed in WA · MC60831021
2600 SW HOLDEN ST, Seattle, WA 98126

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Opted out of Medicare

Ms. Jacqueline Kathleen Kosak has filed a Medicare opt-out affidavit. Services are provided under private contract between the provider and the patient, and are not billed to or reimbursed by Medicare. The opt-out is on file from January 1, 2024 through January 1, 2028.

Opt-Out Effective DateJanuary 1, 2024
Opt-Out In Effect ThroughJanuary 1, 2028Opt-out affidavits renew automatically every two years unless cancelled

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Counselor
2600 SW HOLDEN ST
SEATTLE, WA 98126
Social Worker (Clinical)
2600 SW HOLDEN ST
SEATTLE, WA 98126
Registered Nurse
2600 SW HOLDEN ST
SEATTLE, WA 98126
Counselor
2600 SW HOLDEN ST
SEATTLE, WA 98126
Registered Nurse (Psychiatric/Mental Health, Adult)
2600 SW HOLDEN ST
SEATTLE, WA 98126
Registered Nurse
2600 SW HOLDEN ST
SEATTLE, WA 98126
Student in an Organized Health Care Education/Training Program
2600 SW HOLDEN ST
SEATTLE, WA 98126
Behavior Technician
2600 SW HOLDEN ST
SEATTLE, WA 98126

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 Jacqueline Kosak's NPI number?

The NPI number for Jacqueline Kosak is 1891262861. It was assigned to this individual provider in the NPPES registry on October 29, 2018.

Where is Jacqueline Kosak located?

Jacqueline Kosak practices at 2600 SW Holden St, Seattle, WA 98126. The listed phone number is (206) 933-7106.

What is Jacqueline Kosak's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Jacqueline Kosak enrolled in Medicare?

No. Jacqueline Kosak has opted out of Medicare through January 1, 2028. Care is provided under private contracts, and Medicare does not pay for services furnished by providers who have opted out.

When was this NPI record last updated?

The NPPES record for Jacqueline Kosak was last updated on October 29, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.