You may use your family doctor, if he or she is certified by the Federal Motor Carrier Safety Administration.
You may use a walk-in clinic or any other physician of your choice as long as they are certified.
See physicians near you that are certified by the FMCSA here:
National Registry of Certified Medical Examiners
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: