Maryland Insurance Section 15-115

      (a)      (1)      In this section, "carrier" means:

                  (i)      an insurer;

                  (ii)      a nonprofit health service plan;

                  (iii)      a health maintenance organization;

                  (iv)      a dental plan organization; or

                  (v)      any other person that provides health benefit plans subject to regulation by the State.

            (2)      "Carrier" includes an entity that arranges a provider panel for a carrier.

      (b)      A carrier that operates a managed care organization under Title 15, Subtitle 1 of the Health - General Article may not deny, limit, or otherwise impair the participation of a provider under contract with the carrier for choosing not to participate or limiting participation in the carrier's managed care organization if the carrier is in violation of § 15-102.5 of the Health - General Article.