Send the driver or candidate
DOT physicals, pre-employment exams, drug testing, and employer forms start in a clear clinic workflow.
Manassas occupational health clinic
Manassas & Northern Virginia's trusted occupational health, DOT testing, and drug-free-workplace partner.
Mega Health Services helps drivers, workers, families, and employers complete DOT physicals, drug and alcohol testing, pre-employment physicals, walk-in care, and TPA program work with clear same-day guidance.
20+ years serving workers, drivers, and employers
DOT physicals, drug testing, and pre-employment exams
Same-day access for many Manassas clinic services
MegaHub TPA support for trucking DERs
Local clinic
8551 Rixlew Lane, Suite 140B, Manassas
Hours
Monday-Friday, 7:00 AM-5:00 PM
Employers
DOT, testing, onboarding, and TPA workflows
Call
(703) 485-2000
Built around real workplace health flows
One site path for drivers, DERs, and local employer teams
The rebuilt site routes each audience to the right next step: a clinic visit, an employer testing workflow, or a TPA setup path for driver files, random testing, and reminders.
Drivers
DOT physicals and testing without confusion
Clear visit guidance for CDL medical cards, drug testing, Clearinghouse-related steps, and paperwork drivers need before getting back on the road.
Plan a driver visitTrucking DERs
TPA solutions for trucking company program work
A DER-facing workflow for driver files, medical card reminders, random consortium support, testing actions, and follow-up after clinic visits.
Explore DER TPA supportLocal employers
Occupational health support in Manassas
Pre-employment physicals, drug and alcohol testing, workers' comp support, employer forms, and local clinic coordination for Northern Virginia teams.
Set up employer servicesMethodical TPA flow
The program starts with employer setup and continues through follow-up.
MegaHub TPA, random consortium support, MRO workflows, employer authorizations, document workflows, and clinic testing work best when employers can run them as one connected journey.
Complete the required visit
Mega Health handles the medical or testing touchpoint with the forms and routing details in mind.
Move details into the TPA workflow
Authorizations, documents, testing actions, reminders, and clinic follow-up can stay visible inside MegaHub TPA.
Monitor what needs follow-up
DERs get a repeatable way to see missing, expiring, or completed TPA work before it becomes urgent.
TPA solutions
A trucking DER workspace connected to real clinic services.
For trucking companies, the strongest value is continuity: set up the company, send the driver, complete the visit, trigger random testing actions, and know what remains open from one operating view.
Explore TPA solutionsTPA Solutions
A DER-facing TPA solution for trucking companies and safety-sensitive employers that need setup, document workflows, reminders, random test generation, and clinic-to-program coordination.
Explore TPA workflowTrucking DER TPA
A practical TPA operating path for trucking companies, fleet administrators, and DERs who need DOT testing, driver files, reminders, random consortium support, and clinic follow-through in one workflow.
Explore TPA workflowDocument Administration
Keep employer program documents organized from onboarding through renewal with clinic-connected routing and DER visibility.
Explore TPA workflowFleet & Vehicle Files
A cleaner way for carriers to organize vehicle files, inspection and maintenance records, accident documentation, renewal alerts, and audit-ready reports.
Explore TPA workflowRandom Testing
Manage testing pools, random selections, DER communication, and testing workflows with a local C/TPA partner.
Explore TPA workflowClinic services
High-intent pages rebuilt with deeper visit guidance
Pre-employment physicals, drug testing, Clearinghouse help, DOT physicals, and walk-in care each get a clearer page that answers what to bring, what happens next, and how employers should route paperwork.
DOT Physicals
Same-day DOT physicals for CDL drivers, school bus drivers, delivery drivers, and employer fleets in Northern Virginia.
View service details
Pre-Employment Physicals
Job-ready physical exams for employers and candidates who need timely medical clearance, documentation, and practical next steps.
View service details
Drug Testing
Drug and alcohol testing support for hiring, DOT programs, random programs, post-accident needs, and workplace policies.
View service detailsRespirator Fit Testing
Fit testing support for workers who must wear tight-fitting respirators, including N95 masks and employer-directed respirator programs.
View service detailsTB Testing
TB screening support for healthcare workers, students, employers, school programs, and patients who need clear documentation.
View service detailsImmigration Physicals
Visit preparation for patients who need immigration-related medical paperwork, vaccination review, and clear next steps.
View service detailsWhy Mega Health
Local clinic access with TPA follow-through
Patients need clarity before the visit. Employers need confidence after the visit. Mega Health makes that handoff practical with clinic care, document follow-up, and TPA-supported visibility.
Physician-led care
Dr. Gerald K. Lee, MD, PhD brings family medicine, occupational medicine, and addiction medicine experience to practical clinic visits.
TPA-aware workflows
DOT physicals, testing, random consortium, employer forms, and MegaHub TPA follow-up are framed as connected work.
Manassas location
Convenient for Prince William County workers, drivers, and employers across Northern Virginia.
Community access
Walk-ins are welcome for many services, and Spanish-speaking patients are encouraged to call ahead for support.
For employers and fleets
Start with the trucking program, then send the driver.
Set up a cleaner path for trucking DERs: employer onboarding, DOT physicals, drug testing, random selections, driver-file workflows, and automatic reminders before the next hiring rush.