Newmarket and surrounding areas in York Region. Hospitals/Clinics Newmarket and surrounding areas in York Region. Hospitals/Clinics Search | Advanced Search | New Members | Coupons and Discounts | All Categories Sort alphabetically by... Name City Southlake Regional Health Centre _ 596 Davis Dr.Newmarket, ON L3Y 2P9 Toula Myriklis (905) 895-4521 Learn More | Visit Site | View on Google Maps HealthPass _ 204 Niagara Dr.Oshawa, ON L1G 8B8 Osama Usmani (647) 786-1876 HealthPass is the Expedia of Medical Tourism. Learn More | Visit Site | View on Google Maps If your business isn't here, contact us today to get listed!