IBD Referrals

We are a highly specialized referral centre for complex IBD and other conditions. 

We accept referrals from physicians.  

To refer a patient to a gastroenterologist or colorectal surgeon at Mount Sinai Hospital, please fax a letter with the following information to the appropriate physician’s office, listed below.  

• Patient's name
• Contact information
• OHIP number
• Relevant medical history  

Please visit our Colorectal Diagnostic Assessment Program (DAP)  for information on how to refer patients who meet one of the following criteria:

• A positive fecal immunochemical test (FIT) test
• Clinical symptoms that need to be investigated in a rapid manner
• A new diagnosis of colorectal cancer  
   

Gastroenterologists

Dr. Adam Weizman  
Phone: 416-586-4800 ext. 1953
Fax: 416-586-8689

Dr. Ken Croitoru  
Phone: 416-586-4800 ext. 7454
Fax: 416-586-4747

Dr. Zane Gallinger  
Phone: 416-586-4800 ext. 6156
Fax: 416-586-5927

Dr. Vivian Huang
Phone: 416-586-4800 ext. 2475
Fax: 647-360-7781

Dr. Sun-Ho Lee
Phone: 416-586-4800 ext. 2437
Fax: 416-293-4603

Dr. Geoffrey Nguyen  
Phone: 416-586-4800 ext. 2819
Fax: 416-586-5971

Dr. Mark Silverberg  
Phone: 416-586-4800 ext. 8236
Fax: 416-619-5524

Dr. Hillary Steinhart  
Phone: 416-586-4800 ext. 5121
Fax: 416-586-3174

Dr. Laura Targownik  
Phone: 416-586-4800 ext. 4304
Fax: 647-360-7781

Colorectal Surgeons

Dr. Erin Kennedy
Phone: 416-586-4800 ext. 6872
Fax: 416-586-8644

Dr. Mantaj Brar
Phone: 416-586-4800 ext. 4702
Fax: 416-586-4747

Dr. Anthony de Buck van Overstraeten
Phone: 416-586-4800 ext. 6600
Fax: 416-586-4747 

We accept referrals from physicians and nurse practitioners for patients with IBD who are considering pregnancy or are pregnant for the following reasons:

• Education and counselling regarding IBD, IBD medications, fertility and pregnancy
• Concurrent management of IBD throughout pregnancy
• Assistance liaising with OB/GYN and Maternal Fetal Medicine at Mount Sinai Hospital
• Second opinion or transfer of care  

Please complete our referral form (PDF) and fax it to Dr. Vivian Huang at 647-360-7781. 

We accept referrals from physicians and nurse practitioners for patients living at least 100 kilometres from Mount Sinai Hospital for the following reasons:

• To assist with the diagnosis of IBD
• To assume ongoing IBD management
• For a second opinion regarding the treatment and care of IBD

Please read the PACE IBD clinical protocol document (PDF) for more information on our referral criteria, procedures and preparation requirements.

To refer a patient, please fax or email the following to 416-586-5971 or [email protected]:

• Our referral form (PDF)
• Recent medical imaging results
• Endoscopy and surgical reports
• Relevant laboratory work