DOT Physical Exams - Byron, CA

Locations, All Cities, All States

FMCSA | FAA | USCG | FTA | FRA | PHMSA

With 33 testing centers in the Byron 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.

(800) 221-4291

Schedule Your Test

33 DOT Drug-Testing Centers in Byron

Minutes Away, Test Today

2400 Balfour Rd Ste 230

5.46 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2400 Balfour Rd Ste 230
Brentwood, CA 94513
Call (800) 221-4291 Get Donor Pass

3901 Walnut Blvd Ste A-2

5.61 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3901 Walnut Blvd Ste A-2
Brentwood, CA 94513
Call (800) 221-4291 Get Donor Pass

1181 Central Boulevard, Suite C

5.72 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1181 Central Boulevard, Suite C
Brentwood, CA 94513
Call (800) 221-4291 Get Donor Pass

4501 Sand Creek Rd

8.05 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4501 Sand Creek Rd
Antioch, CA 94531
Call (800) 221-4291 Get Donor Pass

3450 Hillcrest Ave

9.69 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3450 Hillcrest Ave
Antioch, CA 94531
Call (800) 221-4291 Get Donor Pass

3901 Lone Tree Way

10.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3901 Lone Tree Way
Antioch, CA 94509
Call (800) 221-4291 Get Donor Pass

2160 W Grant Line Rd Ste 230

12.85 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2160 W Grant Line Rd Ste 230
Tracy, CA 95377
Call (800) 221-4291 Get Donor Pass

3000 Las Positas Rd

13.21 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3000 Las Positas Rd
Livermore, CA 94551
Call (800) 221-4291 Get Donor Pass

2339 Buchanan Rd

14.20 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2339 Buchanan Rd
Antioch, CA 94509
Call (800) 221-4291 Get Donor Pass

644 W 12th St

14.28 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
644 W 12th St
Tracy, CA 95376
Call (800) 221-4291 Get Donor Pass

3400 Delta Fair Blvd

14.31 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3400 Delta Fair Blvd
Antioch, CA 94509
Call (800) 221-4291 Get Donor Pass

632 West 11th Street, Suite 115

14.39 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
632 West 11th Street, Suite 115
Tracy, CA 95376
Call (800) 221-4291 Get Donor Pass

5570 Stockton Loop

14.47 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5570 Stockton Loop
Livermore, CA 94550
Call (800) 221-4291 Get Donor Pass

1111 E Stanley Blvd

15.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1111 E Stanley Blvd
Livermore, CA 94550
Call (800) 221-4291 Get Donor Pass

1133 E Stanley Blvd Ste 151

15.29 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1133 E Stanley Blvd Ste 151
Livermore, CA 94550
Call (800) 221-4291 Get Donor Pass

2 Terminal

15.44 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2 Terminal
San Francisco, CA 94128
Call (800) 221-4291 Get Donor Pass

1251 California Ave Ste 600

16.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1251 California Ave Ste 600
Pittsburg, CA 94565
Call (800) 221-4291 Get Donor Pass

3774 Railroad Ave Ste C

16.70 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3774 Railroad Ave Ste C
Pittsburg, CA 94565
Call (800) 221-4291 Get Donor Pass

4000 Dublin Blvd Ste 150

16.88 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4000 Dublin Blvd Ste 150
Dublin, CA 94568
Call (800) 221-4291 Get Donor Pass

1901 Railroad Ave Ste B

17.06 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1901 Railroad Ave Ste B
Pittsburg, CA 94565
Call (800) 221-4291 Get Donor Pass

1001 Pittsburg Antioch Hwy Ste B

17.62 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1001 Pittsburg Antioch Hwy Ste B
Pittsburg, CA 94565
Call (800) 221-4291 Get Donor Pass

3128 Santa Rita Rd

17.97 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3128 Santa Rita Rd
Pleasanton, CA 94566
Call (800) 221-4291 Get Donor Pass

2224 Delucchi Dr

18.00 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2224 Delucchi Dr
Pleasanton, CA 94588
Call (800) 221-4291 Get Donor Pass

3200 Busch Rd

18.12 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
3200 Busch Rd
Pleasanton, CA 94566
Call (800) 221-4291 Get Donor Pass

2324 Santa Rita Rd Ste 4

18.28 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2324 Santa Rita Rd Ste 4
Pleasanton, CA 94566
Call (800) 221-4291 Get Donor Pass

2291 W March Lane, Suite 145 F

18.48 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2291 W March Lane, Suite 145 F
Stockton, CA 95207
Call (800) 221-4291 Get Donor Pass

5635 W Las Positas Blvd

18.61 mi
🕑 Testing Hours: Mon–Fri: 8:00 AM-5:00 PM✓ Walk-in with Electronic Donor Pass
5635 W Las Positas Blvd
Pleasanton, CA 94588
Call (800) 221-4291 Get Donor Pass

6001 Norris Canyon Rd Ste 142

18.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
6001 Norris Canyon Rd Ste 142
San Ramon, CA 94583
Call (800) 221-4291 Get Donor Pass

5601 Norris Canyon Rd Ste 140

18.68 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5601 Norris Canyon Rd Ste 140
San Ramon, CA 94583
Call (800) 221-4291 Get Donor Pass

5167 Clayton Rd Ste H

18.76 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
5167 Clayton Rd Ste H
Concord, CA 94521
Call (800) 221-4291 Get Donor Pass

1429 W Fremont St

18.82 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
1429 W Fremont St
Stockton, CA 95203
Call (800) 221-4291 Get Donor Pass

4847 Hopyard Rd Ste 4-424

18.92 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
4847 Hopyard Rd Ste 4-424
Pleasanton, CA 94588
Call (800) 221-4291 Get Donor Pass

2301 Camino Ramon Ste 108

18.93 mi
🕑 Mon–Fri: 8:00 AM – 4:00 PM✓ Walk-in with Electronic Donor Pass
2301 Camino Ramon Ste 108
San Ramon, CA 94583
Call (800) 221-4291 Get Donor Pass

Byron, CA DOT Physical - What You Need to Know

A DOT physical is a thorough health assessment mandated by the Department of Transportation for those driving commercial motor vehicles. This examination certifies that drivers are capable, both physically and mentally, for the operation of heavy vehicles on public highways. A certified medical examiner, listed on the National Registry, conducts this evaluation. Success in the examination grants drivers a DOT medical card, essential for a valid CDL per FMCSA rules. If other DOT agency regulations apply to you and you need help understanding which DOT exam is necessary, call 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 test (corrective lenses allowed; must meet minimum standards)
  • Hearing check (forced whisper or audiometry)
  • Blood pressure and heart rate assessment
  • Comprehensive physical examination (systems review)
  • Urinalysis (specific gravity, protein, glucose)

In Byron, AL, successful completion can lead to a Medical Examiner's Certificate valid for up to 24 months. Some conditions might require a shorter certification period or additional specialist documentation.

Who needs a DOT Physical?

You must possess a valid DOT medical certificate (card) if you

  • Hold a commercial driver's license (CDL)- class A, B, or C for interstate commerce
  • Operate a vehicle exceeding 10,001 lbs. GVWR interstate
  • Transport over 8 passengers (for hire) or over 15 (not for hire)
  • Handle hazardous materials needing DOT placarding
  • Work under DOT agency regulation like FMCSA, FAA, FRA, FTA, or USCG where medical qualification is mandated. Byron, KY

DOT Physical Near Byron, CA

Nearby Testing Centers in California

Los Angeles, CA

San Diego, CA

San Jose, CA

East San Gabriel Valley, CA

San Francisco, CA

Fresno, CA

Sacramento, CA

Central Contra Costa, CA

Long Beach, CA

Oakland, CA

What to bring with you to a DOT Physical?

  • Bring an official photo ID
  • Remember your glasses/contacts and their prescriptions
  • Medication details with dosages listed
  • CPAP usage records (if applicable)
  • Specialist approvals (re: cardiology, sleep apnea, diabetes, etc.)
  • Current A1C/blood pressure records if tracked

Essential items to bring for your medical check-up in Byron, MI include the above for ensuring a precise examination and necessary documentation to aid the certification process.

What happens if I fail a DOT Physical?

  • No Medical card will be issued
  • Temporary disqualification
  • Referral for treatment to your primary care doctor
  • FMCSA exemptions for certain medical conditions
  • Employer Notification
  • Next Steps (address the medical issues and retake the exam)

Byron, NV's specific protocols must be followed for resolution.

What Will Fail a DOT Physical?

Medical Conditions That Can Fail a DOT Physical

  • Vision & Hearing: Visual acuity worse than 20/40 in either eye (even with glasses), difficulty identifying traffic lights, or inability to hear a whispered voice within 5 feet.
  • Blood Pressure & Heart Disease: Severe hypertension (≥180/110 mmHg), recent heart attack or stroke, unstable angina, or an unapproved defibrillator.
  • Diabetes: Frequent hypoglycemic events or complications like neuropathy impacting driving safety from uncontrolled diabetes.
  • Sleep Apnea & Respiratory Issues: Untreated sleep apnea resulting in daytime sleepiness or severe lung conditions affecting breathing.
  • Neurological Disorders: Epilepsy or seizures (unless exempt), conditions causing sudden blackouts or involuntary tremors.
  • Substance Abuse: Current illegal drug use, alcohol abuse, or misuse of prescription drugs affecting motor skills.
  • Psychiatric & Cognitive Disorders: Severe mental health issues (e.g., uncontrolled schizophrenia) or cognitive deficits harming decision-making skills.

Some conditions may temporarily prevent certification until resolved with documentation (e.g., controlled blood pressure). Other issues, like unmanaged seizures, usually lead to permanent ineligibility under FMCSA norms.

References:
- FMCSA Medical Examiner Physical Qualification Standards (§391.41)
- 49 CFR Part 391 - Qualification of Drivers
- Medical Examiner's Handbook
- FMCSA Driver Exemptions

Byron Drug Testing

Quickly find trusted local drug testing centers in Byron, CA — fast, convenient, and reliable every time!

Byron DOT Drug Testing

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

Byron DNA Testing

DNA testing for legal and non-legal purposes including child support, and child custody around Byron, CA.

Byron Industry Training

Including specimen collector training, DER training, reasonable suspicion training and much more in Byron, CA.v

Byron Hair Drug Testing

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

Byron Alcohol Testing

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

Byron Drug Testing Services

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

Byron 5 Panel Drug Test

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

Byron 10 Panel Drug Test

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

Byron On Site Drug Testing

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

Byron DOT Physicals

Certified DOT physicals with quick, reliable exams to keep Byron, CA 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

Explained everything so no questions

Torin was great. Explained everything so no questions

Tony Lombardo - 4/18/2025

Kind and very helpful

Called around for hours and posted from company to person and got nowhere and had to fight to get a refund die to there miss information, well save time and sanity Acredited is the ONLY place the person was kind and very helpful, said what I needed and Faith the lady I dealt with made it simple and she did above and beyond everything I needed, as I'm going through a devorse this was a great help and made my day 100 stars from me.

Steven Harrison - 12/19/2024

Very professional and very quick

Very professional and very quick service to schedule appointments! I am pleased with the services and would definitely recommend using them for any drug testing needs!

Carrie Feerick - 4/19/2025

Sweet and helpful

Trish was amazing and got me through the sytem very fast and swift. I had a hard time hearing her a couple of times, but she was super sweet and helpful throughout the process. Highly recommend her!

Sophia Schutze - 6/19/2024

Quick, knowledgeable and courteous

Quick, knowledgeable and courteous Janelle worked diligently to support me. I am recommending their services to anyone looking.

Greensboro Joseph - 11/19/2024

Fast and efficient service

Fast and efficient service for employers wanting to do pre employment drug screening that meets DOT requirements!!

Mary Thomas - 4/5/2025

Saved My CDL!

Time was running out before my Cdl got downgraded because of a violation I had on clearinghouse. I couldn't find an employer to send me for my return to duty test, but these guys had my test scheduled and done in the same day! They saved my cdl. Thank you again!

Michael Williams - 12/2/2024

Quick, Polite, Informative

Everyone has been quick to respond, polite, informative. It's been easy to order tests. I would recommend them to anyone to use.

April Rogers - 2/15/2025

Everything was great

Everything was great, the staff was very polite. Thank you.

Olga Petrova - 9/19/2024

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