25.10.20

This website uses cookies to ensure you get the best experience on our website. Learn more

Certification
Renew
NBCOT Navigator
About NBCOT
My NBCOT

GIBSON PORRAS GELLADUGA

1 Credential

1 Issuer

GIBSON PORRAS GELLADUGA

Occupational Therapist Registered

National Board for Certification in Occupational Therapy

One Bank Street
Suite 300
Gaithersburg, MD 20878
Phone: 1-301-990-7979
Email: info@nbcot.org

Who We Are

About NBCOT
Contact Us
Join Our Team

Resources

Verify an OTR / COTA
Voice a Concern
Program Director Portal
State Regulatory Portal

Connect with us:

Accreditation

NBCOT certification programs have received and maintained accreditation from the International Accreditation Service (IAS) and the National Commission for Certifying Agencies (NCCA).

© Copyright 2025 NBCOT

Privacy Policy
Refund Policy
Terms and Conditions
Accessibility Statement
Complaints Policy
Social Media Guidelines