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Find a Lawyer » Canada Legal Guides » Ontario Legal Guides » Mississauga Legal Guides » Accidents & Personal Injury Claims Mississauga » Medical Malpractice & Defective Products Mississauga » How to file a formal complaint with the CPSO against a Mississauga doctor

How to file a formal complaint with the CPSO against a Mississauga doctor

23 May 2026 3 min read No comments Medical Malpractice & Defective Products Mississauga

In Ontario, filing a complaint with the College of Physicians and Surgeons of Ontario (CPSO) is free and focuses on doctor discipline. However, it does not provide financial compensation. To seek damages, you must generally file a medical malpractice lawsuit at the Superior Court of Justice, which often involves claims exceeding $100,000 CAD.

When you seek medical help at facilities like Trillium Health Partners in Mississauga, you expect a high standard of care. Unfortunately, medical errors and professional misconduct do occur. If a doctor has acted unprofessionally or provided substandard treatment, you have the right to take action. 👨

It is crucial to understand the difference between a regulatory complaint and a civil lawsuit. The CPSO can suspend a doctor’s licence or order further training, but they cannot force the doctor to pay you for your pain, lost wages, or extra medical bills. 💰 Here is how you can navigate both systems in Ontario.

Step-by-Step Process in Mississauga, Ontario

Whether you live in Port Credit, Erin Mills, or Streetsville, the regulatory process for doctors is managed provincially. Here are the general steps to hold a medical professional accountable. 📝

Step 1: Obtain Your Complete Medical Records

Before doing anything, request your medical records from the doctor’s clinic or the Mississauga hospital where you were treated. Under Ontario’s Personal Health Information Protection Act (PHIPA), you have a legal right to these documents. They are the foundation of both a CPSO complaint and a lawsuit. 📁

Step 2: Submit the CPSO Complaint Form

You can file your complaint directly on the CPSO website or by mailing their official form. You must outline exactly what happened, when it happened, and who was involved. Be factual and stick to the events that demonstrate a breach of professional conduct. 📮

Step 3: The CPSO Investigation

Once submitted, the Inquiries, Complaints and Reports Committee (ICRC) will review your case. The doctor will be notified and given a chance to respond. The CPSO may interview you, the doctor, and other healthcare workers involved in your Mississauga care. 👥

Step 4: Consult a Medical Malpractice Lawyer

If you suffered physical harm or financial loss, do not wait for the CPSO to finish before speaking to a lawyer. A law firm can help you file a Statement of Claim at the Superior Court of Justice to pursue financial compensation. This civil process runs completely separate from the CPSO investigation. 💵

How Much Does it Cost in Ontario?

The financial paths for a complaint versus a lawsuit are very different. Here is a general breakdown of the costs you might expect in Mississauga: 📊

ActionCost to YouPotential Outcome
CPSO ComplaintFree ($0 CAD)Doctor discipline, no money awarded
Court Filing Fee~$238 CAD (often covered by lawyer)Requirement to start a civil lawsuit
Lawyer FeesContingency (typically 30% – 35%)Financial compensation for damages

How Long Does the Process Take?

Medical complaints and lawsuits take a significant amount of time. A CPSO investigation generally takes 150 days (about 5 months) but can take up to a year for complex cases. If you choose to file a medical malpractice lawsuit, the process often takes 3 to 5 years to reach a settlement or trial. Remember, under the Limitations Act of Ontario, you generally only have two years from the date you discovered the injury to file a lawsuit. ⏱

Frequently Asked Questions (FAQ)

Will the CPSO tell me if they discipline the doctor?

Yes. The CPSO will provide you with a written decision explaining their findings and whether any disciplinary action, such as a formal caution or referral to the disciplinary tribunal, was taken.

Can I sue if the CPSO dismisses my complaint?

Yes, it is possible. The CPSO looks at professional conduct, while a civil court looks at negligence and damages. You can still pursue a lawsuit in Mississauga even if the regulatory body takes no action.

Do I need a lawyer for a CPSO complaint?

You are not legally required to have a lawyer to file a CPSO complaint. However, if you are also considering a lawsuit, it is highly recommended to consult a medical malpractice law firm first so you do not accidentally harm your civil case.

Can the CPSO order the doctor to refund my private fees?

No. The College of Physicians and Surgeons of Ontario does not have the legal authority to order a doctor to refund money, pay for subsequent medical care, or provide any form of financial compensation.

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