Mississippi Patient Protection Act of 2026; create.

Added independent clinical laboratories to the definition of health care providers and expanded the list of covered provider types to include licensed dieticians, community mental health centers, prosthetists, licensed durable medical equipment providers, and opticians.

Added new definitions for 'Vision benefit manager', 'Ophthalmic devices', 'Covered services', 'Covered items', 'Comprehensive eye examination', and 'Noninsurer' to clarify vision care provisions.

Added explicit authority for the Commissioner of Insurance to seek injunctive relief and clarified that noncompliant provisions in health benefit plans shall be construed as if they were in compliance.

Added provisions clarifying that state's any willing provider laws apply to all health insurers, vision benefit managers, and multiple employer welfare arrangements, but do not apply to noninsurers unless they create a separate compliant network.

Added specific requirements for managed care plans to provide written information to enrollees about coverage provisions, utilization review policies, and financial responsibilities.

Added requirements for managed care plans to demonstrate sufficient provider network access, file credentialing criteria summaries, provide individual provider profiles upon request, and review denial reasons upon provider request.

Reformatted the bill header and section numbering to reflect the Committee Substitute version with updated legislative session information.