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DIANA CHAN COUNSELING PLLC
NPI 1679967186
Social Worker - Clinical in Bainbridge Island, WA

Active since March 23, 2015
793 ERICKSEN AVE NE STE 123, BAINBRIDGE ISLAND, WA 98110(206) 207-5375(206) 338-9906 Get Directions Write a Review

NPPES record last updated: July 27, 2023. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jul 27, 2023, Aug 25, 2022, Feb 21, 2020 (3 updates tracked since 2020).

About Diana Chan Counseling Pllc NPPES

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

DIANA CHAN COUNSELING PLLC (NPI 1679967186) is a healthcare organization registered as a clinical in Bainbridge Island, Washington and active in the NPI registry since March 2015. The organization lists Wai Wun Diana Chan, Therapist, as its authorized official.

NPPES Registry Identity

NPI1679967186
Entity TypeOrganization
Primary Taxonomy1041C0700X
Legal Business NameDIANA CHAN COUNSELING PLLC
Location Address793 ERICKSEN AVE NE STE 123Bainbridge Island, WA 98110-1877
Mailing Address793 Ericksen Ave Ne Ste 123Bainbridge Island, WA 98110-1877 · (206) 321-3203 · Fax (360) 698-8950
Phone(206) 207-5375
Fax(206) 338-9906
Organization SubpartNo
Authorized OfficialWai Wun Diana ChanTherapist · (206) 321-3203
Enumeration DateMarch 23, 2015
Last NPPES UpdateJuly 27, 20233 updates tracked since enumeration
NPPES CertifiedJuly 27, 2023
✔ NPI 1679967186 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 4

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in WA · LW60193264
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License LW60193264 (WA)
Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License LW60193264 (WA)
Also ListedSocial WorkerTaxonomy 104100000X · License LW60193264 (WA)
793 ERICKSEN AVE NE STE 123, Bainbridge Island, WA 98110
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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 MULTIPLE 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 and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Diana Chan Counseling Pllc 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 Diana Chan Counseling PLLC, which bills Medicare for the services this clinician delivers.

Clinician (1)

Wai Wun Diana Chan, MSW, LICSW
Clinical Social Worker
NPI 1952552309
793 ERICKSEN AVE NE STE 123
Bainbridge Island, WA 98110
(206) 207-5375
✔ 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 Diana Chan Counseling PLLC's NPI number?

The NPI number for Diana Chan Counseling PLLC is 1679967186. It was assigned to this organization in the NPPES registry on March 23, 2015.

Where is Diana Chan Counseling PLLC located?

Diana Chan Counseling PLLC is located at 793 Ericksen Ave NE Ste 123, Bainbridge Island, WA 98110. The listed phone number is (206) 207-5375.

What is Diana Chan Counseling PLLC's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Diana Chan Counseling PLLC enrolled in Medicare?

Yes. Diana Chan Counseling PLLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Diana Chan Counseling PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Clinical Social Worker) reassigns their Medicare billing to Diana Chan Counseling PLLC. 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 Diana Chan Counseling PLLC accept?

Health plans from Premera Blue Cross Blue Shield of Alaska list Diana Chan Counseling PLLC 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 Diana Chan Counseling PLLC was last updated on July 27, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.