A carrier that offers individual health benefit plans shall have demonstrated the capacity to administer the individual health benefit plans, including adequate numbers and types of administrative staff, have a satisfactory grievance procedure and ability to respond to calls, questions, and complaints from enrollees or insureds; and design policies to help ensure that enrollees or insureds have adequate access to providers of health care. Except as provided in subsection (c) of this section, a carrier may not increase an individual’s premium on an individual health benefit plan more frequently than once every 12 months. The Administration shall provide on its Web site and in printed form on request a list of carriers, including contact information for each carrier, that offer individual health benefit plans in the State.