FMCSA-certified DOT physicals and occupational health services in Decorah, Iowa — backed by a compliance platform that keeps your whole fleet audit-ready, all year long.
What we do
From the exam room to the back office — GEHLCO handles the medical side and the compliance side so nothing slips through the cracks.
Walk-in and scheduled exams performed by an FMCSA-certified medical examiner — get drivers qualified quickly and correctly the first time.
A complete consortium and compliance management system that tracks every driver, every test, and every deadline — so audits are never a fire drill.
Federal Motor Carrier–compliant exams with same-day medical certification when you qualify.
Urine drug screens and breath alcohol testing on-site, fully documented and chain-of-custody compliant.
Lung-function testing for respiratory clearance and occupational health programs.
OSHA-aligned respirable silica medical surveillance to keep your crews protected and compliant.
Nationally recognized certification standards behind every screening we perform.
We review specialist letters and cardiac results so paperwork gaps never delay certification.
Compliance Platform
Built for trucking companies and Designated Employer Representatives, our platform turns DOT compliance from a spreadsheet headache into a dashboard you can trust.
FMCSA-rate random selections drawn and documented for you — drug at 50%, alcohol at 10%, every quarter.
Annual queries tracked on a rolling deadline with automatic reminders — never miss a required check.
CDL and medical-card expirations flagged well in advance so no driver is ever caught out of date.
Per-company status at a glance, with printable reports ready for any DOT audit or customer request.
Guided RTD and follow-up testing workflows keep non-negative cases on schedule and on record.
DERs get emailed when a draw happens, results post, or a deadline approaches — no chasing required.
For Drivers
A little preparation prevents most certification delays. Come ready and you can leave qualified.
| Reading | DOT consideration |
|---|---|
| Below 140/90 | Generally qualifies for full certification |
| 140–159 / 90–99 | May qualify with monitoring |
| 160–179 / 100–109 | Limited certification possible |
| 180+ / 110+ | Usually not certifiable until controlled |
Tip: take medications as prescribed, watch sodium intake, and monitor your blood pressure regularly before your visit.
Our Examiner
GEHLCO Occupational Health Services is led by an FMCSA-certified medical examiner listed on the National Registry. That means your exam is performed by someone who understands exactly what it takes to keep a driver qualified — and how to avoid the documentation pitfalls that cause needless delays.
Whether you're an individual driver renewing your card or a fleet managing hundreds of CDL holders, you get the same goal: drivers who stay healthy, safe, and on the road.
Dr. David Gehling, D.C.
FMCSA Certified Medical Examiner
Get started
Schedule a DOT physical, set up testing for your crew, or get a walkthrough of the compliance platform. We're here to help.