You can only apply for a new health insurance plan if you qualify for the Special Enrollment Period.
If you are eligible for the Special Enrollment Period, you may apply for health insurance through HealthCare.gov, a paper application or online directly through Cigna. Depending on your household size and income, you may be able to qualify for federal financial assistance. In order to receive assistance, you must apply and purchase a qualified health plan through HealthCare.gov or directly through Cigna.**
* Some states may have a longer Open Enrollment period.
** In some states, plans are only available on state based health insurance marketplaces.