All applicants seeking to be registered with the College of Naturopaths of Ontario, except NDs currently registered and practising in another regulated Canadian jurisdiction, must first complete the College’s Ontario Biomedical Exam. This exam replaced the NPLEX I exam in Ontario, effective November 15, 2020, and must be successfully completed to be eligible to be registered with the College:

Applicants for registration who have successfully completed the Prior Learning Assessment and Recognition (PLAR) Program will have completed this exam as part of that program. A second pass is not required.

Exam Content and Structure

The Ontario Biomedical Examination is a 150 multiple-choice, 3-hour exam administered electronically via licensed testing centres or through an online proctoring platform. It consists of stand-alone questions testing essential medical knowledge of body systems and their interactions, body functions, dysfunctions and disease states.

Information about testable content is available in the Ontario Biomedical Exam Study Reference Guide. The March 2022 version of the examination blueprint includes the competencies and weighting tested in each content area. Additional procedural information about the exam is available in the Ontario Clinical Sciences and Ontario Biomedical Exams Handbook.

Upcoming Exam

To register for the September 9, 2025, session of the Ontario Biomedical Examination (being administered online), please complete the steps below:   

Log in to your College account (if this is your first entry-to-practise exam with the College, please refer to the first time applicants section below).   

1. From your College account dashboard, under the ‘Register for an Exam’ header, locate the September 9, 2025, Ontario Biomedical Examination and click on the green ‘+’ icon next to the exam session.   
2. Pay for the exam online using your credit card via your College account cart. If you prefer to make the payment by cheque or money order, it must be made payable to the “College of Naturopaths of Ontario”.     
3. Complete and submit the following online forms: (a) Exam Registration Form and (b) Online Biomedical Examination Agreement.    

Exam forms and fee must be received by the exam registration deadline of July 29, 2025, at 5 p.m. ET.    
   
To maintain registration for this session of the Ontario Biomedical Examination, you must also book an exam time with Meazure Learning, the College’s partnered test administration company, during their booking window (opens 9 a.m. ET on August 19, 2025, and closes 11:59 p.m. ET on August 26, 2025). Meazure Learning will email candidates directly by August 12, 2025, with detailed booking instructions.    
   
Failure to submit required documents, the exam fee or to book your exam time by the deadlines noted will result in being ineligible to sit the exam session and forfeiture of the exam fee paid.   
  
For information on all fees and the exam schedule, including timetables and exam transcript release dates, please see our Ontario Biomedical Examination Schedule and Fees page. 

First Time Candidates  

  If this is your first time registering for an examination with the College, you must first create a College user account by clicking on the “Sign Up” option, complete the online pre-registration application form and submit a copy of valid photo ID before you can register for an exam. We recommend completing these steps at least five days prior to the date when exam registration is set to open for the exam session you wish to sit. For additional information please review the Ontario Clinical Sciences and Ontario Biomedical Examination Handbooks. 

For more information on upcoming exam sessions, including dates and registration windows, please see our Ontario Biomedical Examination Schedule & Fees page.