NPIMap

Organization Active NPI

NSN Associates, Inc

  • Sonography Radiologic Technologist
  • Los Angeles, CA
National Provider Identifier
1831119635
Registry record updated Sep 11, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Sonography Radiologic TechnologistTaxonomy code 2471S1302X
Legal business name
NSN ASSOCIATES, INC
Practice address
3200 Wilshire Blvd Ste 308
Los Angeles, CA 90010-1307
Phone
(213) 382-6247
Fax
(213) 382-6259
NPI assigned
Jul 21, 2006
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 11, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Ms. Armineh Avdissian
Title
President
Phone
(213) 382-6247

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Electroneurodiagnostic Specialist/TechnologistGroup: 193200000X MULTI-SPECIALTY GROUP 246ZE0600X
Sonography Radiologic TechnologistGroup: 193200000X MULTI-SPECIALTY GROUP 2471S1302X Primary

Addresses

Primary practice location

3200 Wilshire Blvd Ste 308
Los Angeles, CA 90010-1307

Mailing address

3200 Wilshire Blvd Ste 308
Los Angeles, CA 90010-1307
Phone (213) 382-6247

Other names 1

  • EXPRESS DIAGNOSTIC SERVICE Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Express Diagnostic Service2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1153440000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1757548800000",
    "number": "1831119635",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3200 WILSHIRE BLVD STE 308",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900101307",
            "telephone_number": "213-382-6247",
            "fax_number": "213-382-6259"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3200 WILSHIRE BLVD STE 308",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900101307",
            "telephone_number": "213-382-6247",
            "fax_number": "213-382-6259"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "NSN ASSOCIATES, INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2006-07-21",
        "last_updated": "2025-09-11",
        "status": "A",
        "authorized_official_last_name": "AVDISSIAN",
        "authorized_official_first_name": "ARMINEH",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "213-382-6247",
        "authorized_official_name_prefix": "Ms."
    },
    "taxonomies": [
        {
            "code": "246ZE0600X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Specialist/Technologist, Other, Electroneurodiagnostic",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "2471S1302X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Radiologic Technologist, Sonography",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "EXPRESS DIAGNOSTIC SERVICE",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Los Angeles, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 11, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.