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KARLI WILLIAMS
NPI 1447980891
Counselor - Mental Health in Seattle, WA

Active since June 16, 2022PECOS Enrolled
2815 ELLIOTT AVE, SEATTLE, WA 98121(323) 205-7088 Get Directions Write a Review

NPPES record last updated: September 11, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Karli Williams NPPES

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

KARLI WILLIAMS (NPI 1447980891) is an individual mental health provider in Seattle, Washington, licensed in Washington (LH61497017) and active in the NPI registry since June 2022. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1447980891
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameKARLI WILLIAMS
Location Address2815 ELLIOTT AVESeattle, WA 98121-2990
Mailing Address17328 94th Avenue Ct EPuyallup, WA 98375-2299
Phone(323) 205-7088
Sole ProprietorNo
Enumeration DateJune 16, 2022
Last NPPES UpdateSeptember 11, 2024
NPPES CertifiedSeptember 11, 2024
✔ NPI 1447980891 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 · LH61497017
2815 ELLIOTT AVE, Seattle, WA 98121
Open in Google Maps ↗

Accepted Insurance

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

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Karli Williams is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Karli Williams reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Seattle Children's Hospital
4.7 mi
Specialist
4800 SAND POINT WAY NE
Seattle, WA 98105
  • Reassigned Medicare billing, Washington enrollment
  • Medicare enrollment name: Seattle Childrens Hospital
  • 912 clinicians in this Medicare group
NPI 1003319500 (206) 987-2000

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 Karli Williams's NPI number?

The NPI number for Karli Williams is 1447980891. It was assigned to this individual provider in the NPPES registry on June 16, 2022.

Where is Karli Williams located?

Karli Williams practices at 2815 Elliott Ave, Seattle, WA 98121. The listed phone number is (323) 205-7088.

What is Karli Williams's specialty?

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

Is Karli Williams enrolled in Medicare?

Yes. Karli Williams is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Karli Williams's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Karli Williams reassigns Medicare benefits to Seattle Children's Hospital (Seattle, WA). The 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 Karli Williams's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Karli Williams accept?

Health plans from Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Karli Williams 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 Karli Williams was last updated on September 11, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.