Gna Diagnostic Inc.
NPI 1629502877 · Sleep Disorder Diagnostic Clinic/Center · Los Angeles, CA
Gna Diagnostic Inc. is a Sleep Disorder Diagnostic Clinic/Center organization in Los Angeles, CA (NPI 1629502877).
Provider details
- NPI number
- 1629502877
- Entity type
- Organization
- Primary specialty
- Sleep Disorder Diagnostic Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- Grant Kostikian, President(818) 281-8091
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
9 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
Registry dates
- Enumerated
- 2017-04-14
- Last updated
- 2017-04-14
Frequently asked questions
- What is Gna Diagnostic Inc.'s NPI number?
- Gna Diagnostic Inc.'s National Provider Identifier (NPI) is 1629502877, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Gna Diagnostic Inc.?
- Gna Diagnostic Inc. is classified in the NPPES registry as Sleep Disorder Diagnostic Clinic/Center (Ambulatory Health Care Facilities).
- Where is Gna Diagnostic Inc. located?
- Gna Diagnostic Inc.'s practice location on file with NPPES is 1480 Colorado Blvd # 135, Los Angeles, CA 90041-2357.
- What is Gna Diagnostic Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Gna Diagnostic Inc. is (818) 281-8091.
- Who is the authorized official for Gna Diagnostic Inc.?
- The authorized official listed on Gna Diagnostic Inc.'s NPPES record is Grant Kostikian, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Gna Diagnostic Inc.'s NPI active?
- Yes — Gna Diagnostic Inc.'s NPI (1629502877) is active in the NPPES registry as of the last update on 2017-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.