Gandis G Mazeika MD Ps
NPI 1639117393 · Sleep Disorder Diagnostic Clinic/Center · Edmonds, WA
Gandis G Mazeika MD Ps is a Sleep Disorder Diagnostic Clinic/Center organization in Edmonds, WA (NPI 1639117393).
Provider details
- NPI number
- 1639117393
- 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
- MD000386959 (WA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
Other names (DBA / former)
- Doing business as
- Sleep Medicine Northwest
- Doing business as
- Sleep Medicine Northwest
Registry dates
- Enumerated
- 2006-06-03
- Last updated
- 2022-10-12
- Certified
- 2022-10-12
Frequently asked questions
- What is Gandis G Mazeika MD Ps's NPI number?
- Gandis G Mazeika MD Ps's National Provider Identifier (NPI) is 1639117393, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gandis G Mazeika MD Ps?
- Gandis G Mazeika MD Ps is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Gandis G Mazeika MD Ps located?
- Gandis G Mazeika MD Ps's practice location on file with NPPES is 21701 76th Ave W Ste 206, Edmonds, WA 98026-7536.
- What is Gandis G Mazeika MD Ps's phone number?
- The practice phone number listed in the NPPES registry for Gandis G Mazeika MD Ps is (425) 636-2400.
- Who is the authorized official for Gandis G Mazeika MD Ps?
- The authorized official listed on Gandis G Mazeika MD Ps's NPPES record is Gandis Mazeika, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gandis G Mazeika MD Ps's NPI active?
- Yes — Gandis G Mazeika MD Ps's NPI (1639117393) is active in the NPPES registry as of the last update on 2022-10-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.