DOT Physical Exams - Huntsville, TX

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FMCSA | FAA | USCG | FTA | FRA | PHMSA

With 34 testing centers in the Huntsville 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.

34 DOT Drug-Testing Centers in Huntsville

Minutes Away, Test Today

1211 Sam Houston Ave

0.31 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
1211 Sam Houston Ave
Huntsville, TX 77340

100 Medical Center Pkwy Ste 1000

1.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Medical Center Pkwy Ste 1000
Huntsville, TX 77340

1280 N Fm 1486 Rd

22.10 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1280 N Fm 1486 Rd
Montgomery, TX 77356

100 W Cross St

26.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 W Cross St
Madisonville, TX 77864

4015 Interstate 45 N

26.13 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4015 Interstate 45 N
Conroe, TX 77304

1150 N Loop 336 W

27.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1150 N Loop 336 W
Conroe, TX 77301

3205 W Davis St Ste B-103

28.11 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3205 W Davis St Ste B-103
Conroe, TX 77304

2912 W Davis St Ste 140

28.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2912 W Davis St Ste 140
Conroe, TX 77304

2129 W Davis St Ste D

28.23 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2129 W Davis St Ste D
Conroe, TX 77304

15320 Highway 105 West Ste 120

29.79 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
15320 Highway 105 West Ste 120
Montgomery, TX 77356

100 Medical Center Blvd Ste 114

30.60 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
100 Medical Center Blvd Ste 114
Conroe, TX 77304

800 Riverwood Court, Suite 103

30.77 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
800 Riverwood Court, Suite 103
Conroe, TX 77304

17350 St Lukes Way Ste 200

36.25 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
17350 St Lukes Way Ste 200
The Woodlands, TX 77384

624 W Polk St

36.39 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-4:30 PM✓ Walk-in with Electronic Donor Pass
624 W Polk St
Livingston, TX 77351

1717 Highway 59 Loop N

36.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1717 Highway 59 Loop N
Livingston, TX 77351

123 Vision Park Blvd

37.26 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
123 Vision Park Blvd
Shenandoah, TX 77384

4001 U S Highway 59 N

37.81 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4001 U S Highway 59 N
Livingston, TX 77351

250 Ed English Lane Bldg 1-b

38.04 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
250 Ed English Lane Bldg 1-b
Shenandoah, TX 77385

8850 Six Pines Drive, Suite 230

38.24 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
8850 Six Pines Drive, Suite 230
The Woodlands, TX 77380

9250 Pinecroft Dr

38.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9250 Pinecroft Dr
The Woodlands, TX 77380

1011 Medical Plaza Dr Ste 150

38.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1011 Medical Plaza Dr Ste 150
Spring, TX 77380

210 S Judson St

38.76 mi
🕑 Testing Hours: ✓ Walk-in with Electronic Donor Pass
210 S Judson St
Navasota, TX 77868

9409 Highway 6 Loop

38.95 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
9409 Highway 6 Loop
Navasota, TX 77868

34624 State Highway 249

39.22 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
34624 State Highway 249
Pinehurst, TX 77362

305 S 5th St

41.32 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
305 S 5th St
Crockett, TX 75835

1104 Rayford Rd Ste 500

41.86 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1104 Rayford Rd Ste 500
Spring, TX 77386

1100 E Loop 304

41.89 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1100 E Loop 304
Crockett, TX 75835

322 Spring Hill Dr Ste A400

42.08 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
322 Spring Hill Dr Ste A400
Spring, TX 77386

19073 Interstate 45 S

42.66 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
19073 Interstate 45 S
Shenandoah, TX 77385

506 Graham Suite 260

44.02 mi
🕑 Facility: Mon–Fri: 07:30 AM - 04:30 PM⚡ Drug Screens: Mon–Fri: 07:30 AM - 04:30 PM
506 Graham Suite 260
Tomball, TX 77375

14080 Fm 2920 Rd Ste A

44.17 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
14080 Fm 2920 Rd Ste A
Tomball, TX 77377

28465 State Highway 249

44.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
28465 State Highway 249
Tomball, TX 77375

13406 Medical Complex Dr Ste 1,

44.33 mi
🕑 Testing Hours: Mon–Fri: 10:00 AM-3:30 PM✓ Walk-in with Electronic Donor Pass
13406 Medical Complex Dr Ste 1,
Tomball, TX 77375

2104 Fm 2920 Rd

44.51 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2104 Fm 2920 Rd
Spring, TX 77388

Huntsville, TX DOT Physical - What You Need to Know

A DOT physical is a thorough health check mandated by the Department of Transportation for every commercial motor vehicle driver. This examination ensures that drivers possess the necessary physical, mental, and emotional health to operate large vehicles safely on public roadways. A certified medical examiner listed in the National Registry of Certified Medical Examiners conducts the DOT physical. Successful completion grants drivers a DOT medical certificate, essential for maintaining a valid CDL license as per FMCSA rules. For guidance on the required DOT physical, particularly if regulated by another DOT agency, contact us at 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 health history and medication check
  • Vision check (glasses/contacts if needed; standards apply)
  • Hearing assessment (whisper test or audiometry)
  • Blood pressure and pulse measure
  • Complete physical examination (systematic review)
  • Urine test (specific gravity, proteins, glucose levels)

Once you pass, a Medical Examiner's Certificate (MEC) could be issued valid for 24 months; however, some conditions may require shorter certification or require specialist documentation, especially in states like Huntsville, ND.

Who needs a DOT Physical?

A valid DOT medical certificate is needed if you:

  • Possess a commercial driver's license (CDL) - A, B, or C for interstate trade
  • Operate a vehicle exceeding 10,001 lbs. GVWR in interstate trade
  • Carry more than 8 passengers (for a fee) or over 15 passengers (not for a fee)
  • Transport hazardous items requiring DOT-regulated placarding
  • Are employed by DOT-regulated organizations such as FMCSA, FAA, FRA, FTA, or USCG where a DOT medical qualification is obligatory. Huntsville, NJ.

What to bring with you to a DOT Physical?

  • Government-issued photo ID
  • Corrective eyewear & prescription
  • List of current medications & dosages
  • CPAP compliance data (if relevant)
  • Specialist approvals (cardiology, sleep apnea, diabetes, etc.)
  • Recent A1C or blood pressure records if under monitoring
Huntsville, ID.

What happens if I fail a DOT Physical?

  • No Medical card issued in Huntsville, IN
  • Temporary disqualification
  • Referral to primary care physician for treatment
  • FMCSA exemptions exist for some conditions
  • Notification of employer
  • Address medical issues and retake the exam in Huntsville, IN to remain compliant.

What Will Fail a DOT Physical?

Medical Conditions That Can Fail a DOT Physical

  • Vision & Hearing: Less than 20/40 in each eye (corrected), can't discern traffic signal hues, or hearing incapable of detecting a forced whisper at 5 feet.
  • Blood Pressure & Heart Disease: Uncontrolled hypertension (≥180/110 mmHg), recent myocardial infarction or stroke, unmanaged angina, or an implanted defibrillator lacking approval.
  • Diabetes: Uncontrolled diabetes leading to hypoglycemic incidents or complications (neuropathy, vision issues) impeding safe driving.
  • Sleep Apnea & Respiratory Issues: Untreated sleep apnea causing daytime fatigue, or grave lung disorder hindering oxygen levels.
  • Neurological Disorders: Epilepsy/seizure disorders (unless exempt), illnesses causing abrupt blackout, dizziness, or uncontrolled shaking.
  • Substance Abuse: Ongoing illegal drug use, alcoholism, or prescription misuse hindering driving ability.
  • Psychiatric & Cognitive Disorders: Severe unmanaged psychiatric condition (e.g., schizophrenia, recent bipolar episodes) or cognitive decline affecting judgment.

Temporary and Permanent Disqualification: Some issues might merely temporarily disqualify until clearance or documents available (e.g., managed blood pressure, diabetes); others like unmediated seizures or implanted defibrillators often permanently disqualify per FMCSA guidelines.

Huntsville Drug Testing

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Huntsville DNA Testing

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Including specimen collector training, DER training, reasonable suspicion training and much more in Huntsville, TX.v

Huntsville Hair Drug Testing

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

Huntsville Alcohol Testing

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

Huntsville Drug Testing Services

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

Huntsville 5 Panel Drug Test

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

Huntsville 10 Panel Drug Test

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

Huntsville On Site Drug Testing

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

Huntsville DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Huntsville, TX 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

ADT is truly the best

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