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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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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


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PDU Calculator

Need to convert your units to PDU? You can quickly convert Continuing Education Units (CEU) and contact hours into NBCOT PDU.

Enter either the number of Continuing Education Units (CEU) or the number of Contact Hours earned for this activity.

CEU are earned on the basis of 1 CEU equaling 10 hours of education (e.g. 2 hours of education = .2 CEU awarded).


Contact hours are earned on a 1 to 1 basis with clock hours committed to education (not including meals or breaks).

Does the above reflect successful completion of education (workshop, seminar, online course or conference) with an assessment component at the end of the program (scored test, project, paper) that was provided by either AOTA; an AOTA approved provider; an IACET authorized provider; or a regionally accredited college or university?

Remember to contact your licensure board for clarification on the state’s continuing competency requirements, including the number of units and how units are converted, as they may differ from NBCOT guidelines.