Diabetes and Endocrinology Referrals

We accept referrals from health-care providers. 

To refer a patient to one of our endocrinologists, please fax the following information to a physician’s office below: 

• Patient's name
• Date of birth
• OHIP number
• Contact information
• Reason for the referral

For diabetes referrals, please provide:

• Full medical history, including past medical, surgical and psychiatric history, medications, allergies, family history and social history
• Test results, including, recent glucose level, A1C, cholesterol profile, AST, TSH, potassium, eGFR, ACR, and urinalysis
• Any other relevant information 

Dr. Bruce Perkins
(not accepting new patients)                
Phone: 416-586-8763
Fax: 647-826-1528

Dr. Sheila Holmes
General endocrinology
Phone: 416-586-8763
Fax: 416-439-5214

Dr. Jacqueline James
General endocrinology                               
Phone: 416-586-8369
Fax: 416-586-3194

Dr. Caroline Kramer
General endocrinology, Type 2 diabetes, accepts weight management referrals
Phone: 416-586-4800 ext. 7628
Fax: 416-586-8363

Dr. Adam Millar
Type 2 diabetes, as well as men’s health (infertility, sexual dysfunction or hypogonadism) and patients with Klinefelter Syndrome   
Phone: 416-586-4800 ext. 3939
Fax: 416-586-4685

Dr. Alanna Weisman
Diabetes mellitus, thyroid, adrenal, parathyroid/calcium, pituitary, female reproductive endocrinology       
Phone: 416-586-4800 ext. 8465
Fax: 647-660-6460

Dr. Ravi Retnakaran (not accepting new patients)
Diabetes mellitus type 1 and type 2 
Phone: 416-586-4800 ext. 3941
Fax: 416-586-8853

Dr. Denice Feig
Diabetes mellitus and endocrinology in pregnancy
Phone: 416-586-8590
Fax: 416-361-2657 

Gestational diabetes mellitus

Please complete the gestational diabetes referral form (PDF) and fax it to Dr. Denice Feig at 416-361-2657 or Dr. Diane Donat at 416-340-3314.

Type 1 or type 2 diabetes during pregnancy

Please fax the following information to 416-361-2657:

• Patient demographic and contact information
• Gestational age
• Reason for referral
• Relevant bloodwork, including last six months of HbA1c

Thyroid and other endocrine conditions during pregnancy

Please fax the following information to 416-361-2657.

• Patient demographic and contact information
• Gestational age
• Reason for referral
• Relevant bloodwork, including TSH levels

We accept referrals from physicians. We do not accept referrals for benign thyroid disease, low-risk thyroid cancer, obesity, diabetes, or dyslipidemia. 

Please fax the referral form (PDF) to 416-586-8861. Incomplete referrals will not be accepted. 

Please refer to the Mount Sinai Hospital Family Health Team diabetes program.