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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

QUINN KACI WILLIAMS
NPI 1881461119
Marriage & Family Therapist in Seattle, WA

Active since December 06, 2023
200 1ST AVE W STE 403, SEATTLE, WA 98119(509) 903-5546 Get Directions Write a Review

NPPES record last updated: July 21, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2026, Jul 9, 2026, Dec 6, 2023 (3 updates tracked since 2023).

About Quinn Kaci Williams NPPES

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

QUINN KACI WILLIAMS (NPI 1881461119) is an individual marriage & family therapist in Seattle, Washington, licensed in Washington (MG61600122) and active in the NPI registry since December 2023.

NPPES Registry Identity

NPI1881461119
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameQUINN KACI WILLIAMS
Location Address200 1ST AVE W STE 403Seattle, WA 98119-4219
Mailing Address200 1st Ave W Ste 403Seattle, WA 98119-4219 · (509) 903-5546
Phone(509) 903-5546
Sole ProprietorNo
Enumeration DateDecember 6, 2023
Last NPPES UpdateJuly 21, 20263 updates tracked since enumeration
NPPES CertifiedJuly 21, 2026
✔ NPI 1881461119 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License✔ Licensed in WA · MG61600122
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
200 1ST AVE W STE 403, Seattle, WA 98119
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Other Providers at the Same Location NPPES 3

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

NORAH ESSALI MD PLLC
Psychiatry & Neurology (Psychiatry)
200 1ST AVE W STE 403
SEATTLE, WA 98119
King County (206) 569-5526
ADAM PIDDINGTON PSYCHOTHERAPY PLLC
Clinic/Center (Mental Health (Including Community Mental Health Center))
200 1ST AVE W STE 403
SEATTLE, WA 98119
King County (206) 249-9677
NADEJDA BESPALOVA MD PLLC
Psychiatry & Neurology (Psychiatry)
200 1ST AVE W STE 403
SEATTLE, WA 98119
King County (206) 552-9659

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 Quinn Williams's NPI number?

The NPI number for Quinn Williams is 1881461119. It was assigned to this individual provider in the NPPES registry on December 6, 2023.

Where is Quinn Williams located?

Quinn Williams practices at 200 1st Ave W Ste 403, Seattle, WA 98119. The listed phone number is (509) 903-5546.

What is Quinn Williams's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Quinn Williams was last updated on July 21, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 17 days 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.