About Us
Founded in 1998, Viason is Charlotte’s largest and most trusted mobile diagnostic ultrasound provider. We bring hospital-grade imaging directly to physician offices — eliminating the need for costly equipment, dedicated staff, and patient referrals to outside facilities.27+
Years Serving Charlotte
10
Ultrasound Specialties
8
Counties Covered
7
Days a Week
Meet Our Team
Behind every accurate diagnosis is a team of dedicated professionals. Our credentialed sonographers, schedulers, and support staff work together to deliver exceptional mobile ultrasound service across the Carolinas.
Sergio Khomyak
Founder & CEO
With an MBA from Duke University and decades of hands-on industry experience, Sergio founded Viason in 1998 with a clear vision: deliver world-class diagnostic ultrasound services directly inside physician practices. Under his leadership, Viason has grown into one of the most respected mobile sonography providers in the Carolinas.
Co-Founder Name
Co-Founder & Chief Clinical Officer
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Jane Doe
Lead Cardiac Sonographer
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John Smith
Vascular Technologist
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Maria Garcia
OB/GYN Sonographer
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What Sets Viason Apart
Eight reasons physicians across the Carolinas have trusted us for nearly three decades.
Flexible Scheduling
Quarter-day, half-day, and full-day blocks available on weekly, biweekly, or monthly terms to fit your practice.
On-Site Convenience
High-quality ultrasound exams performed right in your office — patients never have to travel for imaging.
Credentialed Sonographers
ARDMS and CCI-credentialed technologists in cardiac, vascular, general, and OB/GYN specialties.
Fast Turnaround
Same-day preliminary results with final interpreted reports delivered within 24–48 hours.
Quality Assurance
Built-in rescheduling program ensures follow-up imaging for patients with positive findings.
Practice Revenue
Capture reimbursement in-house instead of referring patients out — add a new revenue stream to your practice.
No Capital Investment
Zero up-front cost for equipment, software, or staff. We bring everything needed to your location.
No Long-Term Commitment
Flexible engagement with no long-term contracts — scale service up or down as your practice needs evolve.
Our Range of Services
Placeholder — clone of an existing tile. Full range of diagnostic ultrasound services across cardiac, vascular, abdominal, OB/GYN, and more.
Our Clinical Credentials
Every Viason sonographer holds nationally recognized credentials from ARDMS or CCI, ensuring the highest standard of care across every specialty we serve — cardiac, vascular, general, and OB/GYN.
RDCS
Registered Diagnostic Cardiac Sonographer
RCS
Registered Cardiac Sonographer
RVT
Registered Vascular Technologist
RVS
Registered Vascular Sonographer
RDMS
Registered Diagnostic Medical Sonographer
Seamless DICOM & PACS Integration
Viason’s state-of-the-art ultrasound equipment is DICOM compatible with most PACS systems, enabling seamless data sharing with Cardiology, Radiology, OB/GYN, Vascular Surgery, and other specialty practices — images and reports flow directly into your existing workflow.
Our Range of Services
Turn-key diagnostic ultrasound support delivered inside your practice.
Per Diem Technical Coverage
Temporary & Permanent Placement
Cardiovascular Screening Programs
On-Site Technologist Training
Interpretation Services Implementation
Clinical Lectures & In-Services
Billing & Coding Assistance
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Trusted by Leading Healthcare Systems
Hospitals, health systems, and independent physician groups across the Carolinas partner with Viason for their mobile ultrasound needs.
Carolinas Medical Center
Novant Health
Springs Memorial
Independent Physician Groups
Serving Cardiology · Vascular · General Practice · OB/GYN and more
Partner With Viason Today
Ready to bring mobile diagnostic ultrasound to your practice? Call us or reach out to learn how Viason can become an extension of your team.