Testing & Screening

DOT Physical Exam

The medical examination that certifies a commercial driver is physically fit to operate a commercial motor vehicle.

Reviewed June 2026 by Enterprise Health

Key facts

  • Certifies a commercial driver is medically fit to drive.
  • Performed by a clinician on FMCSA's National Registry.
  • Produces a medical examiner's certificate valid up to 24 months.

What it means

Required under FMCSA rules, the DOT physical must be performed by a clinician on the National Registry of Certified Medical Examiners. It evaluates vision, hearing, blood pressure and conditions that affect safe driving, producing a medical examiner's certificate valid up to 24 months. Tracking exam dates, expirations and examiner credentials keeps a driver fleet compliant.

Frequently asked

Who can perform a DOT physical?

Only a medical examiner listed on FMCSA's National Registry of Certified Medical Examiners. The exam checks vision, hearing, blood pressure and conditions affecting safe driving.

How long is a DOT medical certificate valid?

Up to 24 months, though shorter periods are issued when a condition needs monitoring. Tracking exam and certificate expirations keeps a driver fleet compliant.

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