A visit to the doctor at Knox Community Health Center can cost as little as $10, no matter whether a patient has insurance. Listen to the full interview below:How the sliding fee scale worksThe center operates on a sliding fee scale for patients who are uninsured or underinsured. Anyone can become a patient at the center, Reyes said, regardless of insurance status. 14 years of serviceKnox Community Health Center is marking its 14th year of operation. As a federally qualified health center, it is part of a national network of more than 1,500 community health centers serving roughly 1 in 7 Americans.