Richmond Heights Healthcare Welcome to the Richmond Heights Healthcare telemedicine portal.See a doctor online. Anywhere. Anytime. 10520 Yonge St, Unit 4, Richmond Hill, ON L4C 3C7Tel: (365) 440-2273Mon-Fri – 9:00 AM to 6:00 PMSaturday – 10:00 AM to 6:00 PMSunday – Closed