Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Grant Diagnostic Services, Inc

Organization Multi-Specialty Clinic/Center · NPI 1174700405

Grant Diagnostic Services, Inc is a Multi-Specialty Clinic/Center in Glendale, California. Registered with an NPI since 2008.

In the registry since
2008
What do these letters mean?
Inc — Incorporated
A form of business registration, not a clinical qualification.

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Practice location Address checks out

1386 E Garfield Ave
Glendale, CA 91205-2660
Phone: (818) 956-1581
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Multi-Specialty Clinic/Center (primary) Taxonomy 261QM1300X

Record details

NPI number1174700405
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Grat Kostikian — Owner · (818) 956-1581
NPI enumeratedJanuary 29, 2008
Last updated in NPPESApril 20, 2008
Mailing address1386 E Garfield Ave, Glendale, CA 91205-2660

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