
Top 10 Health Insurance Firms in Illinois
Find the best health insurance companies in Illinois offering affordable, flexible, and reliable coverage.
Explore our top 10 firms trusted by individuals, families, and businesses statewide.
FEATURED INSURANCE FIRMS
Health Care Service Corporation (Blue Cross Blue Shield of Illinois)
Nationally recognized insurer and owner of Blue Cross Blue Shield plans in Illinois. Offers individual, group, disability, life, and wellness plans. Part of the largest customer-owned health insurer in the U.S.
Location: Chicago, Illinois
Website: hcsc.com
Blue Cross Blue Shield Association
Flagship health coverage provider offering medical, dental, and vision plans across Illinois. Broad provider network and ACA marketplace presence.
Location: Chicago, Illinois
Website: bcbs.com
MercyCare Health Plans
Rated “Best Overall” for health insurance in Illinois by MoneyGeek. Known for balanced coverage, affordability, customer service, and robust provider networks.
Location: Illinois (statewide)
Ambetter of Illinois
Ranked “Best Cheap Health Insurance” in Illinois by MoneyGeek. Offers affordable silver-tier plans, telehealth services, and digital access.
Location: Illinois (statewide)
Molina Healthcare
Highlighted for offering some of the lowest premium health plans in the state. Strong option for cost-conscious individuals needing more healthcare services.
Location: Illinois (statewide)
Oscar Health Plan
Tech-driven health insurance delivering affordable individual and small group coverage. Offers benefits like doctor-on-call services and membership incentives.
Location: Available in Illinois
Aetna (CVS Health)
Offers HMO and PPO medical plans with extensive networks, including top hospitals such as Northshore and UIC. Available via ACA marketplace.
Location: Illinois (Chicagoland & suburbs)
Health Alliance
Provides POS and other health coverage plans, particularly in Central and Southern Illinois. Well-regarded for its provider networks.
Location: Central & Southern Illinois
Cigna Healthcare
Offers ACA-compliant plans like the affordable Connect 4000 in counties such as Cook, DuPage, Kane, and Lake. Known for affordability and network flexibility.
Location: Illinois
Guardian Life Insurance Company
Community-rated among top Illinois insurers by NCQA for customer satisfaction, preventive care, and treatment options. Offers individual and employer group plans.
Location: Illinois