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United States · Certification exam

NBCOT phone number and contact details

The National Board for Certification in Occupational Therapy (NBCOT) phone number is 301-990-7979, answered Monday through Thursday from 9 a.m. to 5 p.m. and on Friday from 9 a.m. to 4 p.m. Eastern Time. NBCOT answers email during business hours, Monday to Friday. Its office in Gaithersburg, Maryland, takes mailed transcripts and documents, but NBCOT says it isn’t open for in-person service.

  • 9 a.m. to 5 p.m.Phone hours, Monday to Thursday
  • 9 a.m. to 4 p.m.Phone hours on Friday
  • Gaithersburg, MarylandWhere to mail transcripts and documents
Where to study

Updated October 2026 · Written from official sources, listed at the bottom of this page

Which NBCOT email to use

  • info@nbcot.org: general and application questions, application withdrawals, and missing certification emails
  • credentialingservices@nbcot.org: emergencies, exam-day complaints (within 24 hours) and rescheduling after a computer failure
  • accommodations@nbcot.org: testing accommodations
  • transcripts@nbcot.org: transcripts, only through a secure transcript service
  • professional.conduct@nbcot.org: character review follow-ups
  • recert@nbcot.org: renewal and digital credentials after renewing
  • international@nbcot.org: the eligibility process for internationally educated occupational therapists
  • marketing@nbcot.org: media requests

NBCOT’s mailing address

NBCOT, Inc., One Bank Street, Suite 300, Gaithersburg, MD 20878. Mailed transcripts must come by USPS straight from your registrar. Appeals go by traceable mail to the same address, with the attention line the handbook gives for each kind of appeal.

When can you call the NBCOT phone number?

During the hours above, on weekdays. NBCOT won’t give exam scores by phone, fax or email, and it won’t discuss an appeal until your letter has arrived, so check those in MyNBCOT or by mail. NBCOT’s office also closes over the year end; the dates are on the score dates page.

Your MyNBCOT account →NBCOT scoring dates and the year-end break →
Sources: NBCOT and 4 more. Checked October 2026.

Rules and fees can change, so check the official site before your test.

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