Contact Us


In efforts to minimize the spread of the COVID-19 virus, EMD Serono will remain open as our employees are working remotely, and we have reduced our reception area hours from 8:30 am to noon at the head office.  We apologize for any inconvenience this may cause.

Get in Touch

EMD Serono, Canada

Head office:

2695 North Sheridan Way, Suite 200, Mississauga, ON L5K 2N6

We are committed to helping you find the right answers to your questions. To direct your question to the appropriate individual, please choose the best option below.

In case of a medical emergency, please contact your physician immediately.

Medical Treatment

If you are a patient and have questions about your treatment or would like to report a side effect (adverse drug event) or product complaint, please contact our Patient Support Program:

  • Fertility: 1-800-387-8479
  • Neurodegenerative Diseases (Rebif®/Mavenclad®): 1-888-677-3243
  • Endocrinology (Saizen®): 1-877-724-9361
  • Oncology (BAVENCIO® avelumab for injection) BAVENCIO Patient Support Program: 1-888-755-2250

Or, email us.

To report any suspected adverse reactions to drugs and other health products to the Canada Vigilance Program, click here or to EMD Serono by emailing or via fax at 905-919-0292.

Medical Information

  • Orders, logistics and distribution, please call 1-800-387-9749.
  • Head Office: 905-919-0200 or 1-888-737-6668

For all other medical information inquiries click here.

Job Seekers

Employment opportunities at EMD Serono, Canada.


Visit our Media page here.