West Diagnostics L L C

Primary specialty

Clinical Medical LaboratoryTaxonomy code 291U00000X

Legal business name

WEST DIAGNOSTICS L L C

Practice address

3972M Barranca Pkwy Unit M
Irvine, CA 92606-8238

Phone

(310) 962-9523

NPI assigned

May 7, 2025

Organization subpart

Yes

Parent organization

WEST DIAGNOSTICS LLCAs reported in NPPES

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

Authorized official

Name

Dr. Saed Rahmat Sadeghi, MDNPI 1235572819

Title

Managing Member

Phone

(310) 962-9523

Specialties & licenses 1

Addresses

Other names 1

• BARRANCA LABORATORY Doing business as

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

Tax ID family

West Diagnostics L L C2 organizations share this tax ID, including this one

Part of

West Diagnostics L L C

Other organizations with this tax ID 1

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

• West Diagnostics L L C

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1881529154
  NPD tax ID

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

• West Diagnostics L L C

  • Urgent Care Clinic/Center
  • Irvine, CA
  • NPI 1881529154
  NPPES parent name

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Saed Rahmat Sadeghi, MD

  • Molecular Genetic Pathology (Pathology) Physician
  • Irvine, CA
  • NPI 1235572819
  NPD Authorized official

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

{
    "created_epoch": "1746576000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754006400000",
    "number": "1831989458",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "219 ISABELLA",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926020312",
            "telephone_number": "310-962-9523"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3972M BARRANCA PKWY UNIT M",
            "city": "IRVINE",
            "state": "CA",
            "postal_code": "926068238",
            "telephone_number": "310-962-9523"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "WEST DIAGNOSTICS L L C",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "WEST DIAGNOSTICS LLC",
        "enumeration_date": "2025-05-07",
        "last_updated": "2025-08-01",
        "certification_date": "2025-07-31",
        "status": "A",
        "authorized_official_last_name": "RAHMAT SADEGHI",
        "authorized_official_first_name": "SAED",
        "authorized_official_title_or_position": "MANAGING MEMBER",
        "authorized_official_telephone_number": "310-962-9523",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "BARRANCA LABORATORY",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Clinical Medical Laboratory in Irvine, CA
• Providers in Irvine, CA by specialty
• Clinical Medical Laboratory in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 1, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.