R.I. Gen. Laws § 27-18.1-3: Exclusions and limitations prohibited.

No insurance company, health maintenance organization, or nonprofit corporation may issue, deliver, or renew any contract providing a health benefit or benefits that contains any provisions excluding or limiting its benefits on account of eligibility for or payment of benefits under 42 U.S.C. § 1396 et seq.; provided, that the application of this section shall not increase the personal liability to healthcare providers of a medical assistance recipient of health services, as those services are defined in § 42-62-4.