You can submit electronic claims to more than 4,000 insurers through Octopus We support Medicare, Medicaid, Blue Cross, Blue Shield, and Tricare in every state. We also support major national insurers, such as Aetna, Cigna, Humana, and United Healthcare, as well as local IPAs and smaller insurers. To find out if you can submit electronic claims to a specific government payer or commercial insurance company.