Enterprise HealthFMCSAFederal Motor Carrier Safety Administration
The DOT agency that regulates commercial motor carriers, including driver medical fitness and drug/alcohol testing.
Key facts
- DOT agency regulating commercial motor carriers and drivers.
- Runs the National Registry of Certified Medical Examiners for DOT physicals.
- Sets driver drug/alcohol testing (Part 382) and the Drug & Alcohol Clearinghouse.
What it means
FMCSA administers the Federal Motor Carrier Safety Regulations in Title 49 CFR, covering CDL standards, hours of service, driver qualification (Part 391) and drug/alcohol testing (Part 382). It maintains the National Registry of Certified Medical Examiners who perform DOT physicals and the Drug & Alcohol Clearinghouse. Carriers track examiner certifications, exam expirations and random-testing pools in their occupational-health record.
Frequently asked
Who can perform a DOT physical?
Only a clinician listed on FMCSA's National Registry of Certified Medical Examiners. The exam produces a medical examiner's certificate valid for up to 24 months.
What does FMCSA regulate beyond medical exams?
FMCSA sets CDL standards, hours of service, driver qualification (Part 391) and drug/alcohol testing (Part 382), and runs the Drug & Alcohol Clearinghouse. Carriers track exam expirations and random-testing pools to stay compliant.
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