(a) An insurer shall establish reasonable procedures for ensuring a transition of insureds to physicians or health care providers and for continuity of treatment.
(b) An insurer shall:
(1) provide, subject to § 1301.160, reasonable advance notice to an insured of the impending termination of the participation in the plan of a physician or health care provider who is currently treating the insured; and
(2) in the event of termination of a preferred provider’s participation in the plan, make available to the insured a current listing of preferred providers.

(c) A contract between an insurer and a physician or health care provider must include a procedure for resolving disputes regarding the necessity for continued treatment by the physician or provider.