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Collection Site & Physicals: North Portland, Oregon Clinic (Jubitz Truck Stop)

Our collection sites are still open for drug tests, alcohol tests, and physicals. We are actively cleaning and sanitizing our lobby and offices on a regular basis and managing lobby seating. 

  1. - If you are dropping off documents, please refrain from entering the building and place the documents into the drop box. You can reach your designated CRS/Account manager by calling Glostone (503) 607-1088 or CleanFleet (503) 479-6082.
  2. - If you are here for a random /post-accident/follow up drug test, please enter the building and report immediately to the CleanFleet check in desk. Please utilize the hand sanitizer provided and be mindful of the 6 feet social distancing requirement in place.
  3. - If you are here for a physical and have any signs of illness listed below, please DO NOT ENTER the building, call Cleanfleet (503) 479-6082 to re-schedule your appointment.
  4. - If you are here for a pre-employment drug test and have any signs of illness listed below, please DO NOT ENTER the building and return when you no longer have signs of illness.


10350 N Vancouver Way,
Portland, OR 97217

Drug Testing Hours:
Monday - Friday 8:00 am to 5:00 pm
Saturday 8:00 am - 2:00 pm
See below to schedule Physicals and available hours


CleanFleet offers Physicals and Medical exams to our DOT and non-DOT clients to ensure their employees and drivers are physically qualified to do their job, such as operating a commercial motor vehicle in accordance with federal regulations. We also offer a convenient and accommodating atmosphere for those inconvenient drug and alcohol tests.

What makes us even more special? Our CleanFleet clinics are able to process your electronic chain of custody forms through FormFox or e-Screen.

Our primary focus is with efficient and accurate collections. No waiting behind flu shots, exams and prescription refills. We specialize in following all federal DOT drug and alcohol regulations for your drivers and employee screening programs.

Our North Portland, Oregon (Jubitz) Facility Offers:

Our Doctors:

Dr. Carrie Hsia, DC
National Registry #: 7816487686
CleanFleet Location: Jubitz Portland, OR

Dr. Hsia (Pronounced *SHAW) is a 2016 graduate from the University of Western States in Portland. She has worked in a variety of clinics including not for profit organizations. She was the 2017 Chiropractic partner for the Rose City Rollers and has worked with different types of athletes and artists. Dr. Hsia also teaches students and other practitioners on cultural competency. Being at the Jubitz location for over a year, Dr. Hsia prides herself in helping the drivers with their health and wellbeing keeping everybody on the roads safe. She is a certified DOT/CDL NRCME Medical Examiner.


Dr. Justin Knight, DC
National Registry #: 9867042233
CleanFleet Location: Jubitz Portland, OR

Dr. Justin Knight is a 2013 graduate from the University of Western States in Portland, Oregon and is a certified DOT/CDL NRCME Medical Examiner. Prior to receiving his doctorate in Chiropractic he graduated from Portland State University with honors in Human Biology and practiced Licensed Massage Therapy for a number of years in Oregon.

His background of bodywork, knowledge of human anatomy and physiology and continued post-doctorate education has helped him to have a deep and broad understanding of the musculoskeletal system and associated structures. This has allowed him to develop a holistic approach to physical medicine that focuses on each individual's unique needs in order to obtain their optimal health and function.

He has a 5 year old son Lucas who is the light of his life. In his time off he enjoys camping, hiking, biking, rafting, skiing...pretty much everything the Northwest has to offer.

DOT Physical Exam Checklist

Everyone needs to bring:

  • • State-issued photo ID. Best option is your driver’s license.
  • Prepared to provide a urine sample to test for kidney functions and protein levels

You may also need to bring:

  • • Glasses or contact lenses if you wear them for driving or work.
  • • Working hearing aid(s) if you use them.
  • • “Medical Release” documentation and/ or lab results from your treating physician for any serious medical condition including diabetes, stroke, heart disease and cancer.
  • • CPAP readout or chip if you use one for sleep apnea.
  • • Medication list
  • • Federal Waiver, SPE Certificate, or Exemption Certificate if you need one.

Please make sure you do not:

  • • Chew or use tobacco directly before or during the exam.
  • • Drink excessive beverages containing caffeine before the exam.
  • • Use cell phone during exam.

Types Of Exams

Pre-employment & CDL physicals determine whether applicants or employees are medically/physically able to perform their roles (DOT, OSHA, etc).

work fitness assessment provides companies with objective information regarding an employee’s capacity for work, and assist with matching a worker to a suitable task or roles.

Fitness-for-duty exams confirm that employees can perform their job duties upon return from medical leave and to establish baseline medical information as part of company's health and wellness initiatives.

See below to schedule a Physical Exam at our Clackamas site.

Drug Testing

CF Membership

A drug test is a technical analysis of a biological specimen in order to determine the presence or absence of specified parent drugs or their metabolites.

Three collection methods have been accepted widely in the drug testing industry: Urine Drug TestingOral Fluid (Saliva) Drug Testing, and Hair Drug Testing.

If you have any questions about what drug testing techniques, reach out to our expert staff today at 503-479-6082.

Not Happy with your C/TPA?


A good 3rd party should specialize in making sure your drug testing program follows state and federal rules and relieves the burden of the following tasks: Managing multiple relationships (such as collection sites, labs, and MROs), Vetting new vendors and collection sites, Chasing paperwork and forms, Managing the random testing employee pool, and more.

CleanFleet is a Best-In-Class TPA with the experience, training, staff, and certifications/accreditations needed to handle your company’s Drug Testing Program.

If you have any questions, give our staff a call at 503-479-6082.