IndividualActive
Siobhan Chandler
NPI 1164370219 · Mental Health Counselor · Issaquah, WA
Siobhan Chandler is a Mental Health Counselor provider in Issaquah, WA (NPI 1164370219).
Provider details
- NPI number
- 1164370219
- Entity type
- Individual
- Primary specialty
- Mental Health CounselorBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- Yes
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Basic profile(46/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
83% 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
371 Ne Gilman Blvd # 101
Issaquah, WA 98027-2901
Phone: (206) 561-1126
Street-level locationGet directions
Mailing address
30405 Se 84th St Unit 236
Preston, WA 98050-9804
Registry dates
- Enumerated
- 2026-03-16
- Last updated
- 2026-03-16
- Certified
- 2026-03-16
Frequently asked questions
- What is Siobhan Chandler's NPI number?
- Siobhan Chandler's National Provider Identifier (NPI) is 1164370219, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Siobhan Chandler's specialty?
- Siobhan Chandler is listed in the NPPES registry with a primary specialty of Mental Health Counselor (Behavioral Health & Social Service Providers).
- Where is Siobhan Chandler located?
- Siobhan Chandler's practice location on file with NPPES is 371 Ne Gilman Blvd # 101, Issaquah, WA 98027-2901.
- What is Siobhan Chandler's phone number?
- The practice phone number listed in the NPPES registry for Siobhan Chandler is (206) 561-1126.
- Is Siobhan Chandler's NPI active?
- Yes — Siobhan Chandler's NPI (1164370219) is active in the NPPES registry as of the last update on 2026-03-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.