Sergio Khomyak | Founder & CEO

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Armed with a Duke University MBA and real world professional experience under his belt, Sergio founded Viason® in 1998 and has guided and grown the company to what it is today. A highly respected mobile sonography business geared towards physicians of all practices that require Viason's® state of the art technology, equipment, and highly skilled clinical staff.

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Viason's® clients range from the Charlotte metro area to Ballantyne, Lake Norman, Albemarle, Gastonia, Rock Hill, Fort Mill, Indian Land, and Lancaster. 

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Some of our client's include: 

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• Carolinas Medical Center

• Novant Health

• Springs Memorial

• Independent Doctors and Medical Groups

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Cardiology | Vascular | General | OB/GYN and more...

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Our Sonographers are credentialed in the following specialties: 

• Registered Diagnostic Cardiac Sonographer (RDCS) 

• Registered Cardiac Sonographer (RCS)

• Registered Vascular Technologist (RVT) 

• Registered Vascular Sonographer (RVS)

• Registered Diagnostic Medical Sonographer (RDMS)

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