Lake Forest Clinic

Gaithersburg, Maryland
(301) 740-8500
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Lake Forest Clinic

Andrew S. Choi DC, National Registry Certified Medical Examiner

973 Russell Ave.
Gaithersburg, Maryland 20879
(301) 740-8500

Hours of Operation:
Tues, Thurs: 9:30 am - 5pm
Sat: 8:00 am - 9:30 am
For Appointments on other days please call our Oxon Hill office at: 301-787-8556


  • DOT Physical Exam (CDL Physical Exam) for Commercial Drivers
  • DOT Drug Testing
  • DOT Alcohol Test

Our Priority is to the Driver! We Perform Driver Helpful® DOT Physical Exams to Assist in Obtaining a CDL Medical Card.

Pass Your DOT Medical Exam! We know how important it is that you maintain a current CDL medical card. With extensive knowledge of the exam requirements, we will guide you through so you can Keep on Truckin'.

Need your DOT Physical Exam Today?Same Day Appointments Often Available! Just give us a call! We are committed to getting you back on the road in no time.

Free Driver Mobile App! Get "Expiration Alerts" before your medical card expires. Download the Free TeamCME Mobile Driver App, save your expiration date, and receive an alert starting 2 months before your current medical card expires. Select us as your medical examiner and our office location, driving directions, and contact information are at your fingertip!

What is a Driver Helpful® DOT Physical Exam? Helping drivers is what we do. We know the medical requirements and we are interested in helping the driver maintain their livelihood. When needed, we steer drivers with medical conditions thru the requirements so they can maintain a current CDL medical card.

[Learn More] about the DOT physical exam.



Save time by filling out your forms prior to your appointment!

[Download] the DOT Physical Exam Report Form.

[Download] the Medical Examiner’s Certificate


Dr. Andrew Choi, DC is a Certified Medical Examiner in the National Registry. Performing CDL Physical Exams, DOT Physical Exams, School Bus Driver Exams, and other services related to the transportation industry is our specialty.

NRCME Number: 8686464132