HORIZON LABORATORY LLC
NPI 1053545095
Clinical Medical Laboratory in Loveland, CO

Active since May 05, 2009CLIA 06D0516408 · Certificate of Compliance
2555 E 13TH ST STE 115, LOVELAND, CO 80537(970) 820-6890 Get Directions Write a Review

NPPES record last updated: April 20, 2026. Verified against the NPPES registry weekly; last sync: July 26, 2026.

Record update history: Apr 20, 2026, Dec 27, 2021 (2 updates tracked since 2021).

About Horizon Laboratory Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

HORIZON LABORATORY LLC (NPI 1053545095) is a healthcare organization registered as a clinical medical laboratory in Loveland, Colorado and active in the NPI registry since May 2009. The organization holds a CLIA Certificate of Compliance certificate valid through July 31, 2026, maintains 11 additional practice locations, and lists Margo Karsten, Division President, as its authorized official.

NPPES Registry Identity

NPI1053545095
Entity TypeOrganization
Primary Taxonomy291U00000X
Legal Business NameHORIZON LABORATORY LLC
Location Address2555 E 13TH ST STE 115Loveland, CO 80537-5134
Mailing Address2901 N Central Ave Ste 160Phoenix, AZ 85012-2702 · (602) 747-4000
Organization SubpartYesParent: Banner Health
Authorized OfficialMargo KarstenDivision President · (602) 747-4000
Enumeration DateMay 5, 2009
Last NPPES UpdateApril 20, 20262 updates tracked since enumeration
NPPES CertifiedApril 20, 2026
NPI 1053545095 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyClinical Medical LaboratoryLaboratories
Taxonomy Code291U00000X
Definition

(1) A clinical laboratory is a facility for the biological, microbiological, serological, chemical, immunohematological, hematological, biophysical, cytological, pathological, or other examination of materials derived from the human body for the purpose of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, human beings. These examinations also include procedures to determine, measure, or otherwise describe the presence or absence of various substances or organisms in the body. Facilities only collecting or preparing specimens (or both) or only serving as a mailing service and not performing testing are not considered clinical laboratories. (2) Any facility that examines materials from the human body for purposes of providing information for the diagnosis, prevention, or treatment of any disease or impairment of, or the assessment of, the health of human beings. Typical divisions of a clinical laboratory include hematology, cytology, bacteriology, histology, biochemistry, medical toxicology, and serology.

2555 E 13TH ST STE 115, Loveland, CO 80537

Secondary Practice Locations 11

Location 12923 Ginnala DrLoveland, CO 80538-2702 · Phone (970) 820-4739
Location 24700 Lady Moon DrFort Collins, CO 80528-4426 · Phone (970) 821-4347
Location 3702 W Drake Rd Bldg AFort Collins, CO 80526-5527 · Phone (970) 821-4696
Location 45451 E Harmony Rd Bldg 2 Fl 1Timnath, CO 80547-2412 · Phone (970) 820-6890
Location 52001 70th Ave Ste 106Greeley, CO 80634-4628 · Phone (970) 820-6890
Location 62001 70th AveGreeley, CO 80634-4621 · Phone (970) 810-2589
Location 72000 Boise AveLoveland, CO 80538-5006 · Phone (800) 218-1059
Location 81600 23rd AveGreeley, CO 80634-6070 · Phone (970) 810-4162
Location 91300 Main StWindsor, CO 80550-5989 · Phone (970) 810-3120
Location 10102 Hays AveSterling, CO 80751-2866 · Phone (970) 526-5693
Location 111230 14th St SWLoveland, CO 80537-6324 · Phone (970) 820-3981

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Compliance 06D0516408

Horizon Laboratory LLC · Loveland, CO
Active · expires Jul 31, 2026
CLIA Number06D0516408
Laboratory TypeIndependent
Certificate Effective DateJune 20, 2024
Certificate Expiration DateJuly 31, 2026
Laboratory DirectorDr. Catherine C. Pizzi
Laboratory Phone(970) 820-1960
Laboratory LocationHorizon Laboratory LLC2555 E 13th St, Ste 115, Loveland, CO 80537
CLIA data matches this NPI record on: Address Name
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Areas of Expertise CMS Part B claims 179

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Insertion of needle into vein for collection of blood sample 36415
This procedure involves inserting a small needle into a vein, typically in your arm, to collect a blood sample. It's a quick and simple process to help diagnose or monitor health conditions. You may feel a small prick, but discomfort is minimal.
11,651 services6,716 patients
Blood test, comprehensive group of blood chemicals 80053
A comprehensive group of blood chemicals test, also known as a comprehensive metabolic panel, is a blood test that measures your sugar level, electrolyte and fluid balance, kidney function, and liver function. This helps to check your body's overall health.
10,492 services7,680 patients
Complete blood cell count (red cells, white blood cell, platelets), automated test and automated differential white blood cell count 85025
A Complete Blood Cell Count is a common test that measures various components of the blood, including red cells (carry oxygen), white cells (fight infection), and platelets (help blood clot). An automated test ensures accuracy. The differential count provides detailed information about white cell types.
8,126 services5,827 patients
Blood test, lipids (cholesterol and triglycerides) 80061
A lipid panel is a blood test that measures fats and fatty substances, such as cholesterol and triglycerides. These substances are used by your body as a source of energy. High levels can lead to health issues, including heart disease.
7,092 services6,259 patients
Blood test, thyroid stimulating hormone (tsh) 84443
A TSH blood test measures the level of thyroid stimulating hormone in your body. This hormone is produced by the pituitary gland and regulates how your thyroid works. It's a simple procedure where a small amount of blood is drawn from your arm for analysis.
6,509 services5,214 patients
Hemoglobin a1c level 83036
Hemoglobin A1c (HbA1c) is a test that measures your average blood sugar level over the past 2-3 months. It's used to monitor how well diabetes is being controlled. High levels may indicate that your diabetes treatment plan needs adjustment.
4,921 services3,913 patients

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Horizon Laboratory LLC's NPI number?

The NPI number for Horizon Laboratory LLC is 1053545095. It was assigned to this organization in the NPPES registry on May 5, 2009.

Where is Horizon Laboratory LLC located?

Horizon Laboratory LLC is located at 2555 E 13th St Ste 115, Loveland, CO 80537. The listed phone number is (970) 820-6890.

What is Horizon Laboratory LLC's specialty?

The primary specialty registered for this NPI is Clinical Medical Laboratory with taxonomy code 291U00000X.

Does Horizon Laboratory LLC hold a CLIA laboratory certificate?

Yes. A Certificate of Compliance (number 06D0516408) is associated with this NPI, valid through July 31, 2026. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Horizon Laboratory LLC was last updated on April 20, 2026. NPI Profile syncs with the weekly NPPES data releases published by CMS.