NPIMap

Organization Active NPI

1Lab Inc.

  • Clinical Medical Laboratory
  • Fresno, CA
National Provider Identifier
1992631261
Registry record updated Jun 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
Legal business name
1LAB INC.
Practice address
6069 N 1St St Ste 103
Fresno, CA 93710-5467
Phone
(559) 431-8900
Fax
(559) 431-4367
NPI assigned
Jun 23, 2026
Last updated
Jun 23, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jun 23, 2026

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

Authorized official

Name
Dr. Gurmej Singh Dhillon, MDNPI 1336156728
Title
President
Phone
(559) 779-7755

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

6069 N 1St St Ste 103
Fresno, CA 93710-5467

Mailing address

PO Box 25880
Fresno, CA 93729-5880
Phone (559) 431-8900

Laboratory certificates & supplier records

Derived by NPIMap

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

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D09592451Lab, Inc6069 N First Street, Fresno, CA 93710AccreditationJan 21, 2028

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 13

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 13

NPI Registry JSON

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

{
    "created_epoch": "1782172800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1782172800000",
    "number": "1992631261",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 25880",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937295880",
            "telephone_number": "559-431-8900",
            "fax_number": "559-431-4367"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "6069 N 1ST ST STE 103",
            "city": "FRESNO",
            "state": "CA",
            "postal_code": "937105467",
            "telephone_number": "559-431-8900",
            "fax_number": "559-431-4367"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "1LAB INC.",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-06-23",
        "last_updated": "2026-06-23",
        "certification_date": "2026-06-23",
        "status": "A",
        "authorized_official_last_name": "DHILLON",
        "authorized_official_first_name": "GURMEJ",
        "authorized_official_middle_name": "SINGH",
        "authorized_official_title_or_position": "PRESIDENT",
        "authorized_official_telephone_number": "559-779-7755",
        "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": []
}

Other providers in Fresno, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • 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.