Onyx Urgent Care Clinic

Urgent care · Kitchener, ON · Closed · opens Friday 6 PM

Hours: Mon to Fri 6 PM to 9 PM; Sat closed; Sun 2 PM to 5 PM. Walk-ins accepted (Patients register at reception then may be asked to wait in a secondary waiting area or outside; physician assesses by phone before in-person treatment if needed). Phone (519) 896-6699.

Evening urgent care clinic that treats non-life-threatening injuries and illnesses on a walk-in basis, with a separate daytime clinic that operates by appointment only. Walk-ins are seen weekday evenings and Sunday afternoons, with registration cutoffs before closing and the clinic staying open until all registered patients are seen. The clinic also offers virtual video visits, an on-site pharmacy, sexual health services, and minor procedures such as suturing and casting.

All walk-in clinics in Kitchener, open now first →

Walk-ins accepted Virtual visits
Before you go, check if a pharmacist can help Pharmacists in Ontario can prescribe on the spot for 22 conditions, including UTIs, cold sores and pink eye. Walk in, no appointment. No cost with a valid health card. Book a pharmacist visit See what pharmacists can treat →

Heads up: Homepage displays a notice that the walk-in clinic was closed July 31 to August 3 for the Civic Holiday weekend; this reads as a past, one-off notice rather than a current or ongoing change.

Hours

Monday6 PM to 9 PM
Tuesday6 PM to 9 PM
Wednesday6 PM to 9 PM
Thursday6 PM to 9 PM
Friday6 PM to 9 PM
SaturdayClosed
Sunday2 PM to 5 PM

Clinic remains open until all registered walk-in patients have been seen; walk-in visits are only available during the evening urgent care clinic, not the daytime OPTIONS clinic.

Hours from the clinic's own website, checked 2026-10-03.

Getting seen

Walk-ins accepted. Clinic wording: “For in person visits, we accept walk-ins for urgent cases at the evening clinic.”

Patients register at reception then may be asked to wait in a secondary waiting area or outside; physician assesses by phone before in-person treatment if needed.

Book online (own site (Insig for virtual care))

Pharmacy: On-site pharmacy (name not specified).

Services

Walk-in visitsMinor injuriesStitches and wound careCasting and fracturesECGSTI testingSick notes and formsPrescription renewalsPhysicals and formsMental healthWomen's healthPharmacy on site

Also offers virtual visits.

Contact & Directions

580 Lancaster St W, Kitchener, ON N2K 1M3

Call (519) 896-6699 Fax 519-279-1585 Get directions Website

Other walk-in clinics near here

Other walk-in clinics in Kitchener

See every walk-in clinic in Kitchener →

Emergency? Compare ER wait times in Kitchener, or call 911.

Directory info from healthline_on, verified 2026-07-24. Details may have changed, call ahead to confirm. Hours, walk-in policy and services were read from the clinic’s own website where one exists; if something here is out of date, the clinic’s site and phone line are the source of truth. Report an issue with this listing.