The State of Tennessee CDL Division Office no longer has a fax number.
You may update your medical certification by submitting a request at our Driver Services Online portal.
You may also submit by Certified U.S. postal mail to:
CDL Unit MedCert Section
P.O. Box 945
Nashville, TN, 37202
For added convenience you may also Renew your CDL; Order a Duplicate CDL; and submit your Self-Certification Affidavit and Medical Exam Certificate online at:
For questions about matters other than Medical Certifications: please contact our Help Desk at DI.CDL.Helpdesk@tn.gov