TrustMark ClearCheck & Laboratory Solutions
DOT Physical Exam in Saint Louis, Missouri

Tianna Phiffer
National Registry Certified Medical Examiner

Contact Number

Hours of Operation
Monday – Friday: 9:00AM- 5:30PM
Driving Directions
Mobile DOT testing services are available across the St. Louis metro area, including surrounding counties and regional transportation hubs. Convenient on-site testing is offered for employers, drivers, and airport personnel.
View TrustMark ClearCheck & Laboratory Solutions LocationServices
- DOT Physical
- DOT Drug Test: $75
- DOT Alcohol Test: $70
- Randomized Drug Testing Services: $125
- State DMV Reporting: $25
Our Priority is to the Driver!
We Perform Driver Helpfulยฎ DOT Physical Exams to Assist in Obtaining a CDL Medical Card.
Pass Your DOT Medical Exam!
We know how important it is that you maintain a current CDL medical card. With extensive knowledge of the exam requirements, we will guide you through so you can Keep on Truckin’.
What is a Driver Helpfulยฎ DOT Physical Exam?
Helping drivers is what we do. We know the medical requirements and we are interested in helping the driver maintain their livelihood. When needed, we steer drivers with medical conditions thru the requirements so they maintain a current CDL medical card.
Biography
Tianna Phiffer co-founded TrustMark ClearCheck & Laboratory Solutions and is a certified DOT testing professional. With a strong background in transportation compliance and mobile workforce solutions, she specializes in supporting trucking and logistics companies with fast, on-site drug and alcohol testing. Tianna is committed to helping fleet managers, owner-operators, and CDL drivers comply with DOT regulations through responsive service, mobile convenience, and dependable testing solutions.

