OrganizationActive
Gandis G Mazeika MD Ps
NPI 1326127309 · Sleep Disorder Diagnostic Clinic/Center · Edmonds, WA
Provider details
- NPI number
- 1326127309
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Gandis Mazeika, President(425) 636-2400
- License
- MD00038659 (WA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Other Service Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
21701 76th Ave W Ste 206
Edmonds, WA 98026-7536
Phone: (425) 636-2400
Fax: (425) 636-2401
Street-level locationGet directions
Mailing address
16150 Ne 85th St Ste 203
Redmond, WA 98052-3543
Other names (DBA / former)
- Doing business as
- Sound Sleep Health
- Doing business as
- Sound Sleep Health
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2022-10-12
- Certified
- 2022-10-01
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.