Online booking is only provided to registered patients of Markham FHT. 

The OFFICE remains OPEN 364 days per year for care.

Masks remain required in the office.


( updated Mar 25, 2024)

In-person office visits, telephone visits or video visits can be booked.

  • Please review Virtual Care information here: *** MFHT Virtual Care (updated Dec 1 2022) *** 
  • For telephone visits , to receive incoming calls, please ensure your phone does NOT block “Unknown Callers”.
  • Please supply your preferred tel. number for Telephone appointments OR your email for Video appointments in the Appointment Reason box.

No appointments available?  – Call our Call Centre at 905-471-9999 as your provider may still have openings as they cover Urgent Care for the office.

Masks must be worn in the office. Thank you for your co-operation..


Online Booking for Patients of Markham FHT

Dr. Stephen McLaren‘s patients may book with Dr. Shintula Wijeyakulasingam

Dr. Lorraine Mingie‘s patients may also book with Dr. Jenova Reginold

Dr. Ashley Zaretsky‘s patients may also book with Dr. Andrew Wayne

Dr. Parm Singh‘s patients may book with Dr. Amrita Sembhi who is covering Dr. Singh’s leave of absence.

Dr. Martha Carruther‘s patients may book with Dr. S. Sritharan who is covering Dr. Carruther’s maternity leave.


Online booking is only provided to registered patients of Markham FHT.  Please do not request an appointment if you are not a patient of Markham FHT as your request will not be approved by the office.

Online booking requires that each person needing an appointment must have an email address that is uniquely theirs in order to proceed.  Currently, dependents need their own profile made with their name, date of birth, and their own unique email in order to make an appointment. Medeo Health securely links to our EMR creating an encrypted secure connection for appointments, secure email and video visits. One can also access these services or learn more at

Note: Only those providers, with appointments available, will appear in the pick list.

Booking via our Call Centre also remains available during office hours.  (905-471-9999; Monday – Thursday: 8:30AM – 5:00PM and Friday: 8:30AM – 3:00PM) as do other options for same day service. Please note the Urgent Care  and Dr Available appointments are booked via our Call Centre.

Please be aware that not all services are insured by OHIP.  Click here to learn more about insured and uninsured services.

We hope you find our online appointment service valuable.  Please direct any feedback to with the subject line “Online Booking” followed by your comments.