Workplace and Personal Testing, Screening & Exams in Chicago

DOT Physicals, DNA Testing, Drug Testing, and Occupational Health Services with Fast, Professional Care, Ideal For Both Businesses and Individuals.

What Service Do You Need Today?

Fast, professional testing and exams for individuals, drivers, and employers.

DOT Physicals

Fast DOT medical exams for commercial drivers with same-day availability.

DNA Testing

Accurate, confidential DNA testing processed by AABB-accredited laboratories.

Return-to-Duty Testing

Step 5 return-to-duty testing—fast, compliant, and designed to get you back on the road.

Fast exams • No long waits • Convenient location serving Chicagoland

Our Specialties

Offering fast, reliable testing and health services for companies and individuals throughout the Chicago area.

DOT Physicals

We perform DOT exams to ensure that CDL and non-CDL drivers meet the necessary health standards for operating CMVs safely.

End-to-end RTD testing support, including scheduling, lab coordination, and Clearinghouse updates to help drivers complete the SAP process smoothly.

Accurate, confidential DNA testing—including paternity and family relationship tests—performed in a comfortable, supportive setting.

We offer N-95s, half-face and full-face masks fit testing to keep your team safe and OSHA-compliant. We can comes to your business, providing a convenient and efficient experience.

Comprehensive DOT and non-DOT drug and alcohol testing for companies and individuals. Offering urine, hair, and saliva screening with fast, reliable results for probation, court-ordered, work, or personal reasons.

Affordable, walk-in lab testing for titers, bloodwork, and more, with fast turnaround and no doctor’s order required.

Why Choose DOTDOC For Your Testing Needs?

Convenient Location & Hours

Located right off I-290, less than 10 miles from Chicago, with easy access and ample parking. Available evenings and weekends.

Trusted & Reliable

We’ve performed thousands of tests and exams and can guide you through any testing situation with confidence and care.

Certified & Accredited Labs

All tests are processed by accredited laboratories, including AABB and SAMHSA-certified labs, ensuring highly accurate and reliable results.

Qualified Professionals

Our staff includes FMCSA Certified Medical Examiners, Certified DOT Urine Specimen Collectors, Certified Breath Alcohol Technicians, and professionals trained in NIOSH-approved spirometry.

Fast Results & Same-Day Service

Get your DOT physical, drug test, DNA or bloodwork results quickly and without long waits.

Clear, Upfront Pricing

Know exactly what you’re paying before your test, with no hidden fees.

Areas We Serve

Our clinic proudly serves individuals, employers, and commercial drivers throughout Chicago and nearby communities including Oak Park, Berwyn, Cicero, River Forest, Elmwood Park, Bridgeview, Justice, and the surrounding west suburbs.

DOTDOC is conveniently located just minutes from Chicago with easy access from I-290.

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