Tailored On-Site and After-Hours Testing Services for Your Business Operations
Our on-site and after-hours testing services are designed to seamlessly integrate into your business operations. Whether you need post-accident drug or alcohol testing, or on-site occupational health services like respirator fit testing, we can assist.

Why choose DOTDOC?
Convenience
Say goodbye to the hassles of sending employees off-site for testing. With our on-site services, we bring the testing directly to your workplace. This not only saves valuable time but also minimizes disruptions to your daily operations.
Flexibility After Hours
We recognize that the traditional 9-to-5 schedule may not suit every business. Our after-hours testing services provide flexibility, allowing you to schedule tests at times that are convenient for you and your employees.
Reliability
We are committed to arriving on time and being fully prepared for the task at hand. We are dedicated to delivering excellent and reliable service, consistently.
On-demand Services
On-Site Drug Testing Services
This option is best if you have 10 or more individuals that need testing.
- Staffing agencies needing to drug screen new hires
- CDL training schools needing physicals and drug testing for their students
- Businesses with employees working on federal contract jobs where drug testing is a condition of the agreement
- Depending on your needs, testing can be instant or lab-based.
- If your company already has its own lab account, we can complete the collection process using your own chain-of-custody forms.
- Please call us in advance to discuss and schedule your services.


On-Site Occupational Health Services
We’re excited to bring our suite of services to your workplace.
We begin by understanding your specific needs. If deemed necessary, we may conduct a site visit to assess your facility, enabling us to identify the supplies required for the testing day. This approach ensures our preparedness for a smooth and efficient delivery.
- Pulmonary Function Testing
- Respirator Fit Testing
- Audiologic Testing
After-Hours Testing
Most commonly, after-hours testing is done under the following circumstance:
- Following workplace accidents, incidents, or near misses
- Testing of shift employees in industries with non-traditional work hours.
- Testing of employees working remotely, in the field, or at client locations that don’t want interruption of their daily tasks.
- For emergency after-hour callouts, our commitment to our partners includes responding to calls/messages within 15 minutes.
- We aim to be at your requested site within one hour, taking into consideration weather and distance limitations.

On-site and After-Hours services are booked in advance. Call for schedules.
Client's feedback
Awesome service, was able to schedule an appointment over the phone that fit into my schedule perfectly, was given an answer to every question I had, highly recommend stopping by here if you’re in of a DOT physical”
Jose Hernandez
“Had a pleasant and smooth appointment here. Had to come out here on short notice for my day off work. Had an appointment 2 hrs from when I originally called. Thanks 👍”
Luis Guzman
“Dr. Jenn was extremely nice and went above and beyond to help me figure out everything I needed for my drug and physical exams. I was a walk-in and was attended to right away. The whole testing process was fast and easy. The office was clean and very well organized. Overall, it was a very good experience.”
Joel Huerta
Additional Services
Occupational Health Exams
We conduct medical assessments to evaluate the health and fitness of individuals in relation to their specific job requirements and potential workplace hazards.
Respirator Fit Testing
Respirator fit testing assesses whether a protective mask worn at work fits the wearer, minimizing the risk of inhaling harmful airborne contaminants.
Alcohol Testing
To account for the various lengths of time that alcohol can remain in the system, we offer both urine-based and evidentiary breath alcohol testing