Health Diagnostic Center
NPI 1609955681 · Sonography Radiologic Technologist · Los Angeles, CA
Health Diagnostic Center is a Sonography Radiologic Technologist organization in Los Angeles, CA (NPI 1609955681).
Provider details
- NPI number
- 1609955681
- Entity type
- Organization
- Primary specialty
- Sonography Radiologic TechnologistTechnologists, Technicians & Other Technical Service Providers
- Organization subpart
- No
- Authorized official
- Grachik Keloyan, Owner/Ceo(323) 662-2970
- License
- TG 427 (CA)
Specialties & taxonomies
Technologists, Technicians & Other Technical Service Providers
Profile Score
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
Mailing address
Registry dates
- Enumerated
- 2006-11-02
- Last updated
- 2020-08-22
Frequently asked questions
- What is Health Diagnostic Center's NPI number?
- Health Diagnostic Center's National Provider Identifier (NPI) is 1609955681, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Health Diagnostic Center?
- Health Diagnostic Center is classified in the NPPES registry as Sonography Radiologic Technologist (Technologists, Technicians & Other Technical Service Providers).
- Where is Health Diagnostic Center located?
- Health Diagnostic Center's practice location on file with NPPES is 3171 Los Feliz Blvd, Los Angeles, CA 90039-1527.
- What is Health Diagnostic Center's phone number?
- The practice phone number listed in the NPPES registry for Health Diagnostic Center is (323) 662-2970.
- Who is the authorized official for Health Diagnostic Center?
- The authorized official listed on Health Diagnostic Center's NPPES record is Grachik Keloyan, Owner/Ceo. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Health Diagnostic Center's NPI active?
- Yes — Health Diagnostic Center's NPI (1609955681) is active in the NPPES registry as of the last update on 2020-08-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.