Organization Active NPI

Horizon Laboratory LLC

  • Clinical Medical Laboratory
  • Loveland, CO
National Provider Identifier
1053545095
Registry record updated Apr 20, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
Legal business name
HORIZON LABORATORY LLC
Practice address
2555 E 13TH St Ste 115
Loveland, CO 80537-5134
Phone
(970) 820-6890
NPI assigned
May 5, 2009
Organization subpart
Yes
Parent organization
BANNER HEALTHAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Apr 20, 2026

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

Authorized official

Name
Margo Karsten
Title
Division President
Phone
(602) 747-4000

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X Primary

Addresses

Primary practice location

2555 E 13TH St Ste 115
Loveland, CO 80537-5134

Mailing address

2901 N Central Ave Ste 160
Phoenix, AZ 85012-2702
Phone (602) 747-4000

Other practice location 1

2923 Ginnala Dr
Loveland, CO 80538-2702
Phone (970) 820-4739

Other practice location 2

4700 Lady Moon Dr
Fort Collins, CO 80528-4426
Phone (970) 821-4347

Other practice location 3

702 W Drake Rd Bldg A
Fort Collins, CO 80526-5527
Phone (970) 821-4696

Other practice location 4

5451 E Harmony Rd Bldg 2 Fl 1
Timnath, CO 80547-2412
Phone (970) 820-6890

Other practice location 5

2001 70th Ave Ste 106
Greeley, CO 80634-4628
Phone (970) 820-6890

Other practice location 6

2001 70th Ave
Greeley, CO 80634-4621
Phone (970) 810-2589

Other practice location 7

2000 Boise Ave
Loveland, CO 80538-5006
Phone (800) 218-1059

Other practice location 8

1600 23rd Ave
Greeley, CO 80634-6070
Phone (970) 810-4162

Other practice location 9

1300 Main St
Windsor, CO 80550-5989
Phone (970) 810-3120

Other practice location 10

102 Hays Ave
Sterling, CO 80751-2866
Phone (970) 526-5693

Other practice location 11

1230 14th St SW
Loveland, CO 80537-6324
Phone (970) 820-3981

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20100106000416 CO Part B Supplier - Independent Clinical Laboratory 4981745494 Practice locations: Loveland, CO

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
06D0516408Horizon Laboratory LLC2555 E 13TH St, Ste 115, Loveland, CO 80537ComplianceJul 31, 2026

National Provider Directory

National Provider Directory
Part of
M E Lee MD

Member of 1

Organizations this organization is a member of, according to the National Provider Directory.

Networks

  • devoted network organization-a4751131-f16f-4e82-8f2b-b08e66379a7a

NPI Registry JSON

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

{
    "created_epoch": "1241481600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1776643200000",
    "number": "1053545095",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2901 N CENTRAL AVE STE 160",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850122702",
            "telephone_number": "602-747-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2555 E 13TH ST STE 115",
            "city": "LOVELAND",
            "state": "CO",
            "postal_code": "805375134",
            "telephone_number": "970-820-6890"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2923 Ginnala Dr",
            "address_purpose": "LOCATION",
            "city": "Loveland",
            "state": "CO",
            "postal_code": "805382702",
            "country_code": "US",
            "telephone_number": "970-820-4739",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4700 Lady Moon Dr",
            "address_purpose": "LOCATION",
            "city": "Fort Collins",
            "state": "CO",
            "postal_code": "805284426",
            "country_code": "US",
            "telephone_number": "970-821-4347",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "702 W Drake Rd Bldg A",
            "address_purpose": "LOCATION",
            "city": "Fort Collins",
            "state": "CO",
            "postal_code": "805265527",
            "country_code": "US",
            "telephone_number": "970-821-4696",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "5451 E Harmony Rd Bldg 2 Fl 1",
            "address_purpose": "LOCATION",
            "city": "Timnath",
            "state": "CO",
            "postal_code": "805472412",
            "country_code": "US",
            "telephone_number": "970-820-6890",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2001 70th Ave Ste 106",
            "address_purpose": "LOCATION",
            "city": "Greeley",
            "state": "CO",
            "postal_code": "806344628",
            "country_code": "US",
            "telephone_number": "970-820-6890",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2001 70th Ave",
            "address_purpose": "LOCATION",
            "city": "Greeley",
            "state": "CO",
            "postal_code": "806344621",
            "country_code": "US",
            "telephone_number": "970-810-2589",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "2000 Boise Ave",
            "address_purpose": "LOCATION",
            "city": "Loveland",
            "state": "CO",
            "postal_code": "805385006",
            "country_code": "US",
            "telephone_number": "800-218-1059",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1600 23rd Ave",
            "address_purpose": "LOCATION",
            "city": "Greeley",
            "state": "CO",
            "postal_code": "806346070",
            "country_code": "US",
            "telephone_number": "970-810-4162",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1300 Main St",
            "address_purpose": "LOCATION",
            "city": "Windsor",
            "state": "CO",
            "postal_code": "805505989",
            "country_code": "US",
            "telephone_number": "970-810-3120",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "102 Hays Ave",
            "address_purpose": "LOCATION",
            "city": "Sterling",
            "state": "CO",
            "postal_code": "807512866",
            "country_code": "US",
            "telephone_number": "970-526-5693",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1230 14th St SW",
            "address_purpose": "LOCATION",
            "city": "Loveland",
            "state": "CO",
            "postal_code": "805376324",
            "country_code": "US",
            "telephone_number": "970-820-3981",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "organization_name": "HORIZON LABORATORY LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "BANNER HEALTH",
        "enumeration_date": "2009-05-05",
        "last_updated": "2026-04-20",
        "certification_date": "2026-04-20",
        "status": "A",
        "authorized_official_last_name": "KARSTEN",
        "authorized_official_first_name": "MARGO",
        "authorized_official_title_or_position": "DIVISION PRESIDENT",
        "authorized_official_telephone_number": "602-747-4000"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Loveland, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Apr 20, 2026; 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.