Active NPI
Horizon Laboratory LLC
- Clinical Medical Laboratory
- Loveland, CO
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Clinical Medical Laboratory
- 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 HEALTH
NPPES NPI Registry
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) | Code | License | State | Primary |
|---|---|---|---|---|
| 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 ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| O20100106000416 | CO | Part B Supplier - Independent Clinical Laboratory | 4981745494 | Practice locations: Loveland, CO |
Laboratory certificates & supplier records
Derived by NPIMapThese CMS records do not include an NPI. They are shown because their name and street address match this provider’s.
CLIA laboratory certificates
| CLIA number | Laboratory | Certificate | Expires |
|---|---|---|---|
| 06D0516408 | Horizon Laboratory LLC | Compliance | Jul 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.