DOT Physical Exams - Williamson, IA

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With 20 testing centers in the Williamson area, we offer drug and alcohol testing for employment, probation and DOT requirements. Additional services include DOT consortium enrollment, DNA Testing and background checks. Order your tests and services online or call (800) 221-4291.

20 DOT Drug-Testing Centers in Williamson

Minutes Away, Test Today

1700 W Townline St Ste 1

10.72 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-1:00 PM✓ Walk-in with Electronic Donor Pass
1700 W Townline St Ste 1
Creston, IA 50801

1700 W Townline St

10.72 mi
🕑 Testing Hours: Mon–Fri: 9:00 AM-12:00 PM & 12:30 PM-2:30 PM✓ Walk-in with Electronic Donor Pass
1700 W Townline St
Creston, IA 50801

1610 W Townline St Ste 200

10.80 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-3:00 PM • Sat: 8:00 AM-12:00 PM✓ Walk-in with Electronic Donor Pass
1610 W Townline St Ste 200
Creston, IA 50801

609 Se Kent St

12.51 mi
🕑 Testing Hours: Mon–Fri: 7:00 AM-7:00 PM • Sat: 10:00 AM-4:00 PM✓ Walk-in with Electronic Donor Pass
609 Se Kent St
Greenfield, IA 50849

603 Rosary Dr

14.31 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
603 Rosary Dr
Corning, IA 50841

401 Audubon St

24.99 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
401 Audubon St
Adair, IA 50002

1501 E 10th St

28.44 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
1501 E 10th St
Atlantic, IA 50022

300 W Hutchings St

31.27 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
300 W Hutchings St
Winterset, IA 50273

408 Dodge St

33.98 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
408 Dodge St
Bedford, IA 50833

202 Dunning Ave

34.11 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-8:00 PM✓ Walk-in with Electronic Donor Pass
202 Dunning Ave
Mount Ayr, IA 50854

504 N Cleveland St

34.71 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
504 N Cleveland St
Mount Ayr, IA 50854

2301 Eastern Ave

34.73 mi
🕑 Facility: Mon–Fri: 07:00 AM - 03:00 PM⚡ Drug Screens: Mon–Fri: 09:00 AM - 02:00 PM
2301 Eastern Ave
Red Oak, IA 51566

220 Essie Davison Dr

37.23 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM (Lunch: 12:30 PM - 01:30 PM)⚡ Drug Screens: Mon–Fri: 08:00 AM - 12:00 PM, 01:30 PM - 04:30 PM
220 Essie Davison Dr
Clarinda, IA 51632

710 N 12th St

37.50 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
710 N 12th St
Guthrie Center, IA 50115

823 S 17th St

37.73 mi
🕑 Facility: Mon–Fri: 08:00 AM - 05:00 PM⚡ Drug Screens: Mon–Fri: 09:00 AM - 11:00 AM, 01:00 PM - 03:30 PM
823 S 17th St
Clarinda, IA 51632

319 E Main St

39.33 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
319 E Main St
Panora, IA 50216

800 S Fillmore St

42.36 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
800 S Fillmore St
Osceola, IA 50213

515 Pacific Ave

43.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
515 Pacific Ave
Audubon, IA 50025

507 14th St

48.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
507 14th St
Dallas Center, IA 50063

300 Pershing Ave

49.82 mi
🕑 Facility: Mon–Fri: 07:00 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 07:00 AM - 12:00 PM, 01:00 PM - 03:30 PM
300 Pershing Ave
Shenandoah, IA 51601

Williamson, IA DOT Physical - What You Need to Know

A DOT physical is a detailed health assessment mandated by the Department of Transportation for all drivers of commercial motor vehicles. This examination ensures drivers are capable of handling large vehicles on public roads safely. A certified medical examiner, listed on the National Registry, conducts the evaluation. Successfully passing the exam results in gaining a DOT medical certificate, essential for maintaining a valid CDL as per FMCSA rules. For assistance with DOT agency requirements, call 800-221-4291.

During your exam, the medical examiner will complete a thorough health assessment to determine if you meet the Federal Motor Carrier Safety Administration (FMCSA) medical standards. The process typically includes:

What Does a DOT Physical Include?

Health History Review
Vision Test

Hearing Test
Urinalysis

Vital Signs
Physical Examination

DOT Testing | DOT Breath Alcohol | DOT Consortium Services | MVR Reports Also Available


What is checked in a DOT Physical?

  • Review of medical history and medication list
  • Eye test with optional corrective lenses to meet minimum vision requirements
  • Hearing test either through audiometry or forced whisper check
  • Pulse rate and blood pressure assessment
  • Physical evaluation of bodily systems
  • Urine test for specific gravity, protein, and sugar

After passing, a Medical Examiner's Certificate (MEC) might be granted for a period of up to 24 months in Williamson, SD. Certain conditions could necessitate a shorter certification period or further specialist evaluation.

Who needs a DOT Physical?

A valid DOT medical certificate is necessary if you:

  • Hold a Class A, B, or C CDL for interstate commerce
  • Operate vehicles over 10,001 lbs. in interstate commerce
  • Transport more than 8 passengers (for hire) or more than 15 (not for hire)
  • Carry hazardous materials needing DOT placards
  • Work for DOT-regulated firms like FMCSA, FAA, FRA, FTA, or USCG needing DOT medical approval
Remember the state of Williamson, MS while complying with the criteria.

What to bring with you to a DOT Physical?

  • State-issued identification photo
  • Corrective eyewear & prescription
  • Medication list with dosages
  • CPAP documentation if needed
  • Clearance letters from specialists (heart, apnea, diabetes)
  • Recent A1C/blood pressure logs, if tracked

Williamson, NE's regulations are relevant.

What happens if I fail a DOT Physical?

  • No Medical card will be issued
  • Temporary disqualification notice
  • Directed to consult your primary care provider
  • Consider FMCSA exemptions for specific health issues
  • Notification given to your employer
  • Follow-up steps: address health concerns and schedule a retake of the exam

This process is in effect in Williamson, ME.

What Will Fail a DOT Physical?

Medical Conditions That Can Fail a DOT Physical

  • Vision & Hearing: Vision below 20/40 in each eye (with correction), inability to differentiate signal colors, or hearing loss inhibiting recognition of a whispered message at 5 feet.
  • Blood Pressure & Heart Disease: Uncontrolled high blood pressure (≥180/110 mmHg), recent myocardial infarction, stroke, uncontrolled angina, or cardiac devices requiring special permission.
  • Diabetes: Poorly managed diabetes causing hypoglycemic episodes or complications (like neuropathy) impairing safe vehicle operation.
  • Sleep Apnea & Respiratory Issues: Untreated sleep apnea causing sleepiness, or serious lung conditions affecting oxygen levels.
  • Neurological Disorders: Conditions like epilepsy or seizure disorders (excluding exemptions) that may lead to loss of consciousness.
  • Substance Abuse: Active illegal drug use, alcohol addiction, or misuse of medications impacting driving.
  • Psychiatric & Cognitive Disorders: Severe mental health issues unmanaged by medication or cognitive defects impacting safety decisions.

Williamson Drug Testing

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Williamson DOT Drug Testing

Quickly find a local DOT drug testing center in Williamson, IA — fast, reliable, convenient nationwide service!

Williamson DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Williamson, IA.

Williamson Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Williamson, IA.v

Williamson Hair Drug Testing

Get fast, accurate hair drug testing at our convenient Williamson, IA locations—results you can trust, every time!

Williamson Alcohol Testing

Fast, reliable alcohol testing to keep your workplace safe and compliant every single day in Williamson, IA.

Williamson Drug Testing Services

Reliable nationwide drug testing services ensuring accuracy, compliance, and quick results for businesses and individuals in Williamson, IA.

Williamson 5 Panel Drug Test

Accurate 5 panel drug testing with fast, confidential results—trusted by Williamson, IA employers and individuals nationwide.

Williamson 10 Panel Drug Test

Comprehensive 10 panel drug testing with fast, reliable results—trusted for Williamson, IA workplace and personal testing needs.

Williamson On Site Drug Testing

Convenient on-site mobile drug testing with fast, reliable results—saving time while keeping your Williamson, IA workplace compliant.

Williamson DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Williamson, IA drivers compliant and on the road with confidence.

DOT Consortium

Join our DOT consortium for hassle-free compliance, random testing management, and reliable driver safety solutions.


Frequently Asked Questions

A DOT physical typically includes a review of the driver’s health history and medications, vision screening, hearing assessment, vital signs (blood pressure, pulse), urinalysis (checking specific gravity, protein, glucose), and a full physical examination by a certified medical examiner. Upon passing, a Medical Examiner’s Certificate (DOT medical card) may be issued for up to 24 months.
You must have a valid DOT medical certificate if you: hold a commercial driver’s license (CDL) Class A, B or C for interstate commerce; operate a vehicle over 10,001 lbs GVWR in interstate commerce; transport more than eight passengers (for hire) or over fifteen passengers (not for hire); or transport hazardous materials requiring placarding under DOT regulations.
DOT physicals are offered at test centres in all cities and all states, through Accredited Drug Testing’s nationwide network. You can schedule by calling 1-800-221-4291.
You should bring a government-issued photo ID; glasses or contact lenses and the prescription; a list of medications and dosages; CPAP usage data if applicable; and any specialist clearance letters or physician documentation (for conditions like heart disease, sleep apnea, diabetes) to your DOT physical.
If you fail the DOT physical, you will not receive the medical card; you may be temporarily or permanently disqualified depending on the condition; you will need to address any medical issues (e.g., uncontrolled hypertension, untreated sleep apnea, recent myocardial infarction) and then be re-examined.

Customer Reviews

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Where do I start?!! ADT is truly the best!! I had the pleasure of speaking with Tori today! She was excellent, professional and truly went above and beyond in her kind, compassionate care and commitment to providing me with the best service possible. I was in such a time crunch, but I was able to call, order the test, pay for it over the phone and get the test I needed within the hour. Not only did this put my mind at ease, they saved my job!! I am forever grateful for this team of hard workers, that care, with such great work ethics! Thank you from the very bottom of my heart!!! If you need a drug, alcohol, etc… screening, this team will be your lifesavers!!

Sarah Patterson - 4/8/2025

phone support has been excellent

I have used ADT several times. Their phone support has been excellent, both when putting in the orders and when asking for help to interpret results.

Tee Ess - 12/19/2024

quick to assist

They are very quick to assist with your orders and they helped when I needed to find a new testing facility.

Gary Matkin - 2/19/2025


(800) 221-4291