Urgent Care in Islip, NY

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

29 clinics found

Northwell Health

Northwell Health-GoHealth Urgent Care - Bay Shore

603 E Main St Ste B, Bay Shore, NY 11706

4.4 (986)
Mon–Fri: 8:00 AM – 12:00 AM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

CityMD South Bay Shore Urgent Care - Long Island

1850 Sunrise Hwy, Bay Shore, NY 11706

4 (455)
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

CityMD Bay Shore Urgent Care - Long Island

1757 Sunrise Hwy, Bay Shore, NY 11706

4.2 (460)
Mon–Fri: 7:00 AM – 7:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
AFC

AFC Urgent Care West Islip

125 Sunrise Hwy A, West Islip, NY 11795

4.8 (4201)
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

Optum Urgent Care - West Islip

148 Sunrise Hwy, West Islip, NY 11795

4.7 (1133)
Mon–Fri: 7:00 AM – 10:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Northwell Health

Northwell Health-GoHealth Urgent Care - West Islip

434 Union Blvd, West Islip, NY 11795

4.6 (529)
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

CareMed Primary and Urgent Care PC - Bay Shore

375 E Main St #26, Bay Shore, NY 11706

3.8 (40)
Mon–Fri: 9:00 AM – 5:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

Bayshore Urgent Care

40 Bay Shore Ave, Bay Shore, NY 11706

3.2 (5)
Mon–Fri: 9:30 AM – 4:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

CityMD Hauppauge Urgent Care- Long Island

812 Wheeler Rd, Hauppauge, NY 11788

3.9 (247)
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

Primary Care of Long Island - Primary Urgent Medical

652 Suffolk Ave Suite 102, Brentwood, NY 11717

4.6 (190)
Mon–Fri: 8:30 AM – 6:30 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

LI Urgent Care

403 Little East Neck Rd, West Babylon, NY 11704

4.8 (2589)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Bohemia

5171 Sunrise Hwy Ste A, Bohemia, NY 11716

4.6 (687)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Massapequa Park

5165 Merrick Rd, Massapequa Park, NY 11762

4.2 (410)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Plainview

377 S Oyster Bay Rd, Plainview, NY 11803

4.6 (502)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Lindenhurst

600 N Wellwood Ave Suite H, Lindenhurst, NY 11757

4.4 (220)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Deer Park

506 Commack Rd, Deer Park, NY 11729

4.4 (163)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Commack

98 Jericho Tpke, Commack, NY 11725

4.4 (397)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Smithtown

1 Miller Pl Suite C, Smithtown, NY 11787

4.6 (334)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Huntington Station

19 W Jericho Turnpike, Huntington Station, NY 11746

4.6 (654)
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
Northwell Health

Northwell Health Physician Partners Immediate Care at Ocean Beach

504 Bayberry Walk, Ocean Beach, NY 11770

2.3 (3)
Mon–Fri: 9:00 AM – 6:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Northwell Health

Northwell Health-GoHealth Urgent Care - Lake Grove

2079 Smith Haven Plaza, Lake Grove, NY 11755

4.5 (603)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Syosset

103 Jackson Ave, Syosset, NY 11791

4.6 (360)
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
Northwell Health

Northwell Health-GoHealth Urgent Care - Amityville

801 Broadway Ste 100, Amityville, NY 11701

4.5 (369)
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
Northwell Health

Northwell Health-GoHealth Pediatric & Adult Urgent Care

1950 Jericho Tpke, East Northport, NY 11731

4 (433)
Mon–Fri: 8:00 AM – 12:00 AM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

Catholic Health Urgent Care at Melville

610 Broadhollow Rd, Melville, NY 11747

4.9 (191)
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

Catholic Health Urgent Care at Centereach

2112 Middle Country Rd, Centereach, NY 11720

4.6 (731)
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

Catholic Health Urgent Care at Ronkonkoma

3 Hawkins Ave Unit #1106, Ronkonkoma, NY 11779

5 (370)
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

CityMD Sayville Urgent Care - Long Island

5600 Sunrise Hwy, Sayville, NY 11782

4.1 (602)
Mon–Fri: 7:00 AM – 11:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray
Independent

South Nassau Walk-In Medical Care, P.C.

808A Hicksville Rd, Massapequa, NY 11758

2.6 (18)
Mon–Fri: 8:00 AM – 5:00 PM
Walk-in urgent care Minor injury treatment Flu & strep testing COVID testing Lab work Physicals On-site X-ray

Urgent Care in Islip, NY — Overview

Islip is a major city in New York. This directory covers verified urgent care clinics across the Islip metropolitan area.

Healthcare in Islip 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 Islip 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 Islip

Quick answers before you visit.

What insurance do urgent care clinics in Islip, NY accept?

Most urgent care clinics in Islip accept major commercial plans (Blue Cross Blue Shield of New York, Aetna, Cigna, UnitedHealthcare, Humana), Medicare, New York 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 Islip?

The largest walk-in care networks in the Islip 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 Islip?

Yes — significantly. A typical urgent care visit in Islip 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 Islip urgent care clinics take walk-ins, or do I need an appointment?

All Islip 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 Islip?

Most adult urgent cares in Islip 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 Islip?

Most Islip 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.