Seth Leizman, BA
NPI 1831563923 · Counselor · Seattle, WA
Seth Leizman, BA is a Counselor provider in Seattle, WA (NPI 1831563923).
Provider details
- NPI number
- 1831563923
- Entity type
- Individual
- Primary specialty
- CounselorBehavioral Health & Social Service Providers
- Credential
- BA
- Sex
- Male
- Sole proprietor
- No
- License
- CG60536067 (WA)
Specialties & taxonomies
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
10 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 6400 Southcenter BlvdSuite 200Tukwila, WA 98188-2547Phone: (206) 444-3600Fax: (206) 444-3610
Registry dates
- Enumerated
- 2015-11-30
- Last updated
- 2020-09-30
- Certified
- 2020-09-30
Frequently asked questions
- What is Seth Leizman's NPI number?
- Seth Leizman's National Provider Identifier (NPI) is 1831563923, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Seth Leizman's specialty?
- Seth Leizman is listed in the NPPES registry with a primary specialty of Counselor (Behavioral Health & Social Service Providers).
- Where is Seth Leizman located?
- Seth Leizman's practice location on file with NPPES is 1700 Airport Way S, Seattle, WA 98134-1618.
- What is Seth Leizman's phone number?
- The practice phone number listed in the NPPES registry for Seth Leizman is (206) 223-3644.
- Is Seth Leizman's NPI active?
- Yes — Seth Leizman's NPI (1831563923) is active in the NPPES registry as of the last update on 2020-09-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.