Mass DOT Exams Express is dedicated to performing quick, professional DOT physical exams keeping our drivers safe, working, and in compliance. Dr. Wexler is a registered medical examiner in the Federal Motor Carrier Safety Administration’s National Registry of Certified Medical Examiners and a member of the Chamber of Commerce. He is a Chiropractic Orthopedist who earned his Chiropractic degree at Palmer College of Chiropractic and his Orthopedic Degree at National College.