Urgent Care in Thornton, CO

11 verified clinics · Walk-ins welcome · No appointment needed

11 clinics found

NextCare

NextCare Urgent Care, Thornton

9720 Grant St, Thornton, CO 80229

4.3 (1334)
Mon–Fri: 8:00 AM – 8:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
AFC

AFC Urgent Care Thornton

2616 E 120th Ave, Thornton, CO 80233

4.6 (1222)
Mon–Fri: 8:00 AM – 8:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

AfterOurs Urgent Care Thornton

3212 E 104th Ave, Thornton, CO 80233

4 (1614)
Mon–Fri: 8:00 AM – 11:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
UCHealth

UCHealth Urgent Care - Thornton

13631 Colorado Blvd, Thornton, CO 80602

4.4 (642)
Mon–Fri: 8:00 AM – 8:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

Advanced Urgent Care & Occupational Medicine - Thornton

13585 Quebec St, Thornton, CO 80602

4.8 (477)
Mon–Fri: 8:00 AM – 7:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Concentra

Concentra Urgent Care - Thornton (550 Thornton Pkwy # 110)

550 Thornton Pkwy # 110, Thornton, CO 80229

3.8 (536)
Mon–Fri: 8:00 AM – 5:00 PM
Occupational health Workers' comp DOT physicals Pre-employment screening Walk-in urgent care X-ray
Concentra

Concentra Urgent Care - Thornton (500 E 84th Ave # B14)

500 E 84th Ave # B14, Thornton, CO 80229

4.1 (772)
Mon–Fri: 8:00 AM – 5:00 PM
Occupational health Workers' comp DOT physicals Pre-employment screening Walk-in urgent care X-ray
Independent

Advanced Urgent Care & Occupational Medicine - Broomfield

3950 W 144th Ave, Broomfield, CO 80023

4.7 (1172)
Mon–Fri: 8:00 AM – 7:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
HCA CareNow

CareNow Urgent Care - Westminster

6080 W 92nd Ave ste 1000, Westminster, CO 80031

4.5 (335)
Mon–Fri: 8:00 AM – 8:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
NextCare

NextCare Urgent Care, Broomfield

4590 W 121st Ave, Broomfield, CO 80020

4.1 (1311)
Mon–Fri: 8:00 AM – 8:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
FQHC

Centura Thornton Neighborhood Health Center

4075 E 128th Ave, Thornton, CO 80241

2.8 (57)
Mon–Fri: 8:00 AM – 5:00 PM
Primary care Walk-in urgent care Behavioral health Pediatrics Women's health Pharmacy Sliding-scale fees

Urgent Care in Thornton, CO — Overview

Thornton is a major city in Colorado. This directory covers verified urgent care clinics across the Thornton metropolitan area.

Healthcare in Thornton includes national urgent care chains (MinuteClinic, AFC, Concentra), plus regional health system urgent care centers. Walk-in care is widely available 7 days a week.

This directory covers urgent care locations across Thornton proper and surrounding suburbs. Whether you need same-day care or after-hours walk-in treatment, you'll find the nearest verified option.

Common questions about urgent care in Thornton

Quick answers before you visit.

What insurance do urgent care clinics in Thornton, CO accept?

Most urgent care clinics in Thornton accept major commercial plans (Blue Cross Blue Shield of Colorado, Aetna, Cigna, UnitedHealthcare, Humana), Medicare, Colorado Medicaid, and TRICARE. Specific in-network coverage varies by clinic — check the individual clinic page for the most accurate list, or call the clinic directly to confirm before your visit.

Which urgent care networks are strongest in Thornton?

The largest walk-in care networks in the Thornton area include the major regional health systems. See the 'Local networks' section on this page for a description of each — their typical services, affiliated hospitals, and FAQs about insurance acceptance.

Is urgent care cheaper than the ER in Thornton?

Yes — significantly. A typical urgent care visit in Thornton costs $25–$75 with insurance (copay), or $100–$200 cash-pay for a basic visit. An ER visit averages $1,500–$2,500 even for non-emergency issues. Urgent care is appropriate for fevers, flu, UTIs, pink eye, minor injuries, strep, and most same-day concerns — reserve the ER for chest pain, stroke symptoms, severe bleeding, or trouble breathing.

Do Thornton urgent care clinics take walk-ins, or do I need an appointment?

All Thornton urgent care clinics accept walk-ins — that's their core business. Many large chains (MinuteClinic, AFC Urgent Care, Concentra, and Solv-partnered clinics) also let you reserve a time slot online to skip the waiting room. Wait times are typically posted live on each clinic's website.

Are there pediatric urgent care options in Thornton?

Most adult urgent cares in Thornton see children age 1 and older. For infants under 12 months or complex pediatric presentations, look for dedicated pediatric urgent care — PM Pediatric Care, children's-hospital-affiliated walk-in centers, or pediatric-specific clinics. Check individual clinic pages for pediatric availability and age ranges.

How late are urgent care clinics open in Thornton?

Most Thornton urgent care clinics are open 8 AM to 8 PM, 7 days a week. Some major-chain locations (MinuteClinic, AFC Urgent Care, Concentra) offer extended or weekend hours, and a handful operate 24/7. Check the 'hours' line on each individual clinic page for current operating times — clinic schedules change, so we recommend confirming before travel.