Health insurance matters. Requires the commissioner of the department of insurance to provide an order directing the discontinuance of an illegal, unauthorized, or unsafe practice of an insurance company. Provides that a health plan may not require a participating provider to seek prior authorization for a particular health service if the health plan approved at least 90% of the prior authorization requests for the particular health service in the previous six month period. Requires a health plan to post notice of a technical issue with its claims submission system on the health plan’s Internet web site. Requires a health plan to post on its Internet web site not later than February 1 of each year: (1) the 30 most frequently submitted CPT codes in the previous calendar year; and (2) the percentage of the 30 most frequently submitted CPT codes that were approved in the previous calendar year. Requires a health plan to provide annual and quarterly financial statements to the department of insurance. Establishes an approval process for a health plan’s proposed premium rate increase of 5% or greater as compared to the previous calendar year. Requires an insurer and a health maintenance organization to provide a contracted provider with a current reimbursement rate schedule: (1) every two years; and (2) when three or more CPT code rates change in a 12 month period. Requires an insurer and a health maintenance organization to provide a contracted provider with notice of a proposed material change to the agreement between the insurer or health maintenance organization and the contracted provider at least 90 days prior to the proposed effective date. Establishes requirements for the contents of a notice of a proposed material change. Requires an insurer or health maintenance organization to provide a contracted provider with notice at least 15 days prior to a change to an existing prior authorization, precertification, notification, referral program, edit program, or specific edits.