KOS Services, LLC is a medical practice company headquartered at 350 N Clark St, Chicago, Illinois. Specializing in dental services, the company manages offices in eleven states and Washington, DC. Founded in 2008, KOS Services generates revenue through its dental practice management services, including billing, compliance, and provider relations. The company employs between 201-500 people and is led by Chief Financial Officer Brian MacKinnon. KOS Services is known for its dynamic growth and commitment to providing high-quality dental care.