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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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Exam Services

NBCOT offers exam candidates a wide range of services related to the exam process, including:

Eligibility Confirmation

Candidates who have submitted their examination application can have a confirmation notice sent to a regulatory entity, employer, or themselves.

Testing Accommodations (TA)

In compliance with the Americans with Disabilities Act, NBCOT provides reasonable and appropriate testing accommodations for exam candidates with disabilities.

Name Change Request

For candidates who have had a name change.

Address Change

For candidates who wish to update their address.

Official Score Transfer

For certification candidates who have submitted their examination application and wish to have an official copy of their examination results sent to a regulatory entity.

Duplicate Score Report

For candidates seeking a duplicate copy of their score report.

Request to Reissue ATT Letter

For candidates who wish to have an ATT letter reactivated or reissued.

Early Determination Review

NBCOT’s early determination review program serves the public interest by screening illegal, unethical, and incompetent behaviors of individuals who are yet to be certified.

Character Review

Review the questions to see if they apply to you.

Exam Challenges

Review the steps required for administrative, technical, or content challenges.