Montana Montana GR – 11.5.19 I. Scope and Applicability A.  Who is subject to the state’s grievance regulations? All health insurance issuers 33-32-302(1), MCA HMOs? Yes. Insurers? Yes. Utilization Review Organizations? No. ACOs? Yes, if the ACO is acting as a health insurance issuer. PPOs? Yes, if the PPO is acting as a health insurance […]

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