IndividualActive
Trevor Slocum, M.A.
NPI 1114150240 · Counselor · Seattle, WA
Trevor Slocum, M.A. is a Counselor provider in Seattle, WA (NPI 1114150240).
Provider details
- NPI number
- 1114150240
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- M.A.
- Sex
- Male
- Sole proprietor
- Yes
- License
- RC00054378 (WA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
Detailed profile(85/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
16 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
600 1st Ave Ste 531
Seattle, WA 98104-2229
Phone: (206) 909-7345
Street-level locationGet directions
Mailing address
11447 71st Pl S
Seattle, WA 98178
Registry dates
- Enumerated
- 2009-08-24
- Last updated
- 2009-08-24
Frequently asked questions
- What is Trevor Slocum's NPI number?
- Trevor Slocum's National Provider Identifier (NPI) is 1114150240, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Trevor Slocum's specialty?
- Trevor Slocum is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Trevor Slocum located?
- Trevor Slocum's practice location on file with NPPES is 600 1st Ave Ste 531, Seattle, WA 98104-2229.
- What is Trevor Slocum's phone number?
- The practice phone number listed in the NPPES registry for Trevor Slocum is (206) 909-7345.
- Is Trevor Slocum's NPI active?
- Yes — Trevor Slocum's NPI (1114150240) is active in the NPPES registry as of the last update on 2009-08-24.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.