HealthCare.gov serves most states and is the official source for plans under the Affordable Care Act (ACA).
Some states, like California through Covered California , run their own marketplaces. where do i buy health insurance
Brokers serve as intermediaries who can help you compare multiple plans across different companies at no extra cost to you. HealthCare
Buying "off-exchange" means you work directly with the provider, often through their website. like California through Covered California
You can purchase health insurance directly from private carriers like UnitedHealthcare, Aetna, or Cigna.