Here at OTS Health Services employers have trusted us for years with their occupational health exams and testing needs. Physical Exam, Fit for Duty Functional Testing, DOT Exams Vaccines & Flu Shots. We make sure to provide specialized services that meet your long-term care, ensuring your business runs smoothly. Our clients see value in our service ethic, clinical expertise, detailed collaboration and walk-in service to help employees return to work in a quick and timely manner.