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Serving the public interest by advancing client care and professional practice through evidence-based certification standards and the validation of knowledge essential for effective practice in occupational therapy.


Certified occupational therapy professionals providing effective evidence-based services across all areas of practice worldwide.

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Contact Us

The National Board for Certification in Occupational Therapy, Inc. (NBCOT®)

12 South Summit Avenue
Suite 100
Gaithersburg, MD 20877
(301) 990-7979

Email NBCOT at

Business Hours
Monday-Thursday: 9 am – 5 pm, Lunch: 12 pm – 12:45 pm

Friday: 9 am – 4 pm, Lunch: 12 pm – 1 pm


OTR® & COTA® Credential Verification

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Prometric Test Centers (PTC)

The certification examination is administered at Prometric Test Centers (PTCs) worldwide. Prometric is the leading global provider of testing services and solutions for corporate, academic, government, financial, and professional services clients. Its comprehensive testing solutions include test design, development, administration, data management, and analysis of test results.

Prometric delivers more than seven million exams annually using a robust global testing network in 135 countries for academic admissions and certifications, employment testing and skills assessments, professional certifications in finance and healthcare, and government licensing exams.

To ensure the integrity of its testing process, Prometric maintains stringent security standards in its test centers and across its network. Prometric provides exams for high caliber clients including NBCOT.

What to Expect On Test Day from Prometric on Vimeo.