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Tsin, Thomas Tai-Yan

CPSO#: 23770

Expired: Resigned from membership as of 01 Jul 2020
None as of 03 Nov 2019


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Former Name: No Former Name

Gender: Male

Languages Spoken: Chinese, English

Education: Li Ka Shing Faculty of Medicine, Univers, 1968

Practice Information

Primary Location of Practice
Practice Address Not Available

Professional Corporation Information

Corporation Name: Thomas Tsin Medicine Professional Corporation
Certificate of Authorization Status: Inactive: Dec 23 2020


Specialty Issued On Type
Diagnostic Radiology Effective:01 Jan 1974 RCPSC Specialist
Nuclear Medicine Effective:01 Jan 1977 RCPSC Specialist

Registration History

Action Issue Date
First certificate of registration issued: Postgraduate Education Certificate Effective: 01 Jul 1970
Transfer of class of registration to: Independent Practice Certificate Effective: 05 Jul 1971
Transfer of class of certificate to: Restricted certificate Effective: 03 Nov 2019
Terms and conditions imposed on certificate Effective: 03 Nov 2019
Expired: Resigned from membership. Expiry: 01 Jul 2020


Source: Member
Active Date: November 3, 2019
Expiry Date:
Summary of the Undertaking given by Dr. Thomas Tai-Yan Tsin to the College of Physicians and Surgeons of Ontario, effective November 3, 2019:

A College investigation was conducted into whether Dr. Tsin engaged in professional misconduct in his diagnostic radiology practice. As a result of the investigation, Dr. Tsin has agreed to cease reporting mammography and breast ultrasounds.
Download Full Document (PDF)


Source: Member
Active Date: October 16, 2019
Expiry Date:

A summary of a decision of the Inquiries, Complaints and Reports Committee in which the disposition includes a "caution-in-person" is required by the College by-laws to be posted on the register, along with a note if the decision has been appealed. A “caution-in-person” disposition requires the physician to attend at the College and be verbally cautioned by a panel of the Committee. The summary will be removed from the register if the decision is overturned on appeal or review. Note that this requirement only applies to decisions arising out of a complaint dated on or after January 1, 2015 or if there was no complaint, the first appointment of investigators dated on or after January 1, 2015.
Download Full Document (PDF)

Member-reported Findings of Malpractice/Professional Negligence

On December 23, 2016, at the Ontario Superior Court of Justice, London, a finding of professional negligence was made against Dr. Thomas Tai Yan Tsin in respect of an incident that took place in July 2009.