Indiana Code Title 27. Insurance § 27-13-10-4

Sec. 4. (a) A health maintenance organization shall provide, at the request of the enrollee, subscriber, or legal representative of the enrollee or subscriber, and upon contract issuance, at each contract renewal, and with any notice of denial of a claim, timely, adequate, and appropriate notice to each enrollee, subscriber, or legal representative, of:

(b) A health maintenance organization shall prominently display on all notices to enrollees and subscribers the telephone number and address at which a grievance may be filed.

(c) A written description of the enrollee's or subscriber's right to file a grievance must be posted by the provider in a conspicuous public location in each facility that offers services on behalf of a health maintenance organization.