Diana Chan Counseling PLLC
NPI 1679967186 · Clinical Social Worker · Bainbridge Island, WA
Enrolled with Medicare as Part B Supplier - Clinic/Group Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diana Chan Counseling PLLC is a Clinical Social Worker organization in Bainbridge Island, WA (NPI 1679967186).
Provider details
- NPI number
- 1679967186
- Entity type
- Organization
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Organization subpart
- No
- Authorized official
- Wai Wun Diana Chan, Therapist(206) 321-3203
- License
- LW60193264 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2015-03-23
- Last updated
- 2023-07-27
- Certified
- 2023-07-27
Frequently asked questions
- What is Diana Chan Counseling PLLC's NPI number?
- Diana Chan Counseling PLLC's National Provider Identifier (NPI) is 1679967186, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Diana Chan Counseling PLLC?
- Diana Chan Counseling PLLC is classified in the NPPES registry as Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Diana Chan Counseling PLLC located?
- Diana Chan Counseling PLLC's practice location on file with NPPES is 793 Ericksen Ave Ne Ste 123, Bainbridge Island, WA 98110-1877.
- What is Diana Chan Counseling PLLC's phone number?
- The practice phone number listed in the NPPES registry for Diana Chan Counseling PLLC is (206) 207-5375.
- Does Diana Chan Counseling PLLC accept Medicare?
- Diana Chan Counseling PLLC is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Who is the authorized official for Diana Chan Counseling PLLC?
- The authorized official listed on Diana Chan Counseling PLLC's NPPES record is Wai Wun Diana Chan, Therapist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Diana Chan Counseling PLLC's NPI active?
- Yes — Diana Chan Counseling PLLC's NPI (1679967186) is active in the NPPES registry as of the last update on 2023-07-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.