DR WILLIAMS LLC
NPI 1649062928
Counselor - Mental Health in Sequim, WA

Q: What is Dr Williams LLC's NPI number?

The NPI number for Dr Williams LLC is 1649062928. It was assigned to this organization in the NPPES registry on May 21, 2025. The provider is doing business as The Integrative Psych Center.

Q: What is Dr Williams LLC's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Dr Williams LLC was last updated on May 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.

Active since May 21, 2025

277 HOUSE RD, SEQUIM, WA 98382(360) 351-4400 Get Directions Write a Review

NPPES record last updated: May 2, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: May 2, 2026, May 21, 2025 (2 updates tracked since 2025).

On this page

About Dr Williams Llc NPPES

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

DR WILLIAMS LLC (NPI 1649062928), doing business as The Integrative Psych Center, is a healthcare organization registered as a mental health in Sequim, Washington and active in the NPI registry since May 2025. The organization lists Katie Lynn Williams, Founder/clinical Director, as its authorized official.

NPPES Registry Identity

NPI1649062928

Entity TypeOrganization

Primary Taxonomy101YM0800X

Legal Business NameDR WILLIAMS LLC

Location Address277 HOUSE RDSequim, WA 98382-8848

Mailing AddressPo Box 1691Sequim, WA 98382-4328 · (360) 351-4400

Phone(360) 351-4400

Organization SubpartNo

Authorized OfficialKatie Lynn WilliamsFounder/clinical Director · (360) 651-4400

Enumeration DateMay 21, 2025

Last NPPES UpdateMay 2, 20262 updates tracked since enumeration

NPPES CertifiedMay 2, 2026

✔ NPI 1649062928 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers

Taxonomy Code101YM0800X

277 HOUSE RD, Sequim, WA 98382

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Other Names 1

Doing Business AsThe Integrative Psych Center

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Dr Williams LLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Katie Williams, PH.D., LMHC

Mental Health Counselor

NPI 1962704320

277 HOUSE RD
Sequim, WA 98382

(360) 351-4400

✔ PECOSSame 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 Dr Williams LLC's NPI number?

The NPI number for Dr Williams LLC is 1649062928. It was assigned to this organization in the NPPES registry on May 21, 2025. The provider is doing business as The Integrative Psych Center.

Where is Dr Williams LLC located?

Dr Williams LLC is located at 277 House Rd, Sequim, WA 98382. The listed phone number is (360) 351-4400.

What is Dr Williams LLC's specialty?

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

Is Dr Williams LLC enrolled in Medicare?

Yes. Dr Williams LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Dr Williams LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Mental Health Counselor) reassigns their Medicare billing to Dr Williams LLC. 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 Dr Williams LLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Dr Williams LLC 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 Dr Williams LLC was last updated on May 2, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months 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.