For Employers


Medical radiation and imaging technology is one of the health professions regulated under Ontario’s Regulated Health Professions Act (RHPA). The College of Medical Radiation and Imaging Technologists of Ontario (CMRITO) registers and regulates the practice of medical radiation and imaging technologists in five specialties: radiography, radiation therapy, nuclear medicine, magnetic resonance and diagnostic medical sonography. A medical radiation and imaging technologist may only practice the profession and apply ionizing radiation, electromagnetism and soundwaves for diagnostic ultrasound if they are currently registered with CMRITO.

Find a Registrant

The online Public Register is one of the most important tools for employers as it allows you to verify that your medical radiation and imaging technologists are registered and legally authorized to practise in Ontario. You may search the register by Registrant name (First name, last name or practice name), registration number or by place of practice. It is important to remember that the Public Register displays a registrant’s legal name. The CMRITO does not use short forms or variations of this legal name. When a medical radiation and imaging technologist has filled out and submitted to the CMRITO a request to add a given name used in practice, employers can search by that name in the Registrant name field. If your search results come up empty, please contact the CMRITO.

The Public Register contains the most up-to-date information available from the CMRITO on the status and specialty of a registrant. Managers and HR departments can instantly check whether the medical radiation and imaging technologists employed or being hired at their facility are active registrants of the CMRITO. You can also confirm which specialty(ies) CMRITO registrants are registered in - radiography, nuclear medicine, radiation therapy, magnetic resonance, and/or diagnostic medical sonography.


A registrant’s certificate of registration may be suspended by the CMRITO for failure to pay fees, or as a result of a discipline hearing. Once a registrant’s certificate of registration is suspended, they are no longer legally authorized to practice the profession in Ontario.

It is important for employers to be aware that registrants are still active, even if they do not pay their renewal fees, until their certificate of registration is suspended. If a registrant has not paid the renewal and late fees within a three month period following the due date (the registrant’s birthday), the certificate of registration will be suspended for failure to pay fees. At that time, the suspension will be displayed in the public register and will be published in the next edition of the CMRITO newsletter, Insights. The registration staff at CMRITO will also inform the employer(s) listed in the individual’s place of employment on the public register of the suspension.

Illegal practice

The right to use the protected title "medical radiation and imaging technologist" or one of the abbreviations - MRT(R), MRT(T), MRT(N), MRT(MR) and DMS - is one of the most important rights granted to registrants of the CMRITO under the Medical Radiation and Imaging Technology Act, 2017. It is the responsibility of the CMRITO to protect the public of Ontario from unqualified practitioners by making sure that only those qualified are allowed to practise as medical radiation and imaging technologists in the province. But we depend on registrants, the public and very importantly employers, to bring forward any cases in which someone appears to be holding themselves out to be a medical radiation and imaging technologist without being a registrant of the CMRITO. Please be sure to check the Unregistered Practitioners page for a list of names of those who have been found guilty by the Ontario Superior Court of Justice of illegal practice.

Employers are strongly encouraged to use the Public Register to verify the membership status of every CMRITO registrant they employ.

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Registrant practice

There is a general condition on each medical radiation and imaging technologist’s certificate of registration that the registrant may practise the profession only in those areas in which they are educated and have experience. This enables the registrant to gain more knowledge and competence beyond their entry to practice education while ensuring the protection of the public.  

CMRITO registrants can apply ionizing radiation, electromagnetism and soundwaves for diagnostic ultrasound and can perform a number of other controlled acts under the RHPA and MRIT Act, provided they have an order for the procedure from a physician or another authorized health professional.

You can find more information about the procedures that medical radiation and imaging technologists are legally authorized to perform under the CMRITO publication What you must know about ... performing procedures.

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Mandatory reporting

Mandatory reporting refers to the obligation under the Regulated Health Professions Act (RHPA) and the Health Professions Procedural Code for registrants, employers and facility operators to file written reports to the CMRITO in a number of circumstances.

Mandatory reporting by employers and others is the best means of ensuring that instances of professional misconduct, incompetence, professional negligence, sexual abuse or concerns regarding incapacity are brought to the attention of the CMRITO. It is the responsibility of the CMRITO to review or investigate any report in the context of its self-regulatory role to protect the public from harm.

You can find more information about your obligations as an employer or facility operator to report medical radiation and imaging technologists to CMRITO in the CMRITO publication What you must know about ... mandatory reporting.

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