Yes, help paying for insurance through tax credits and low-cost ConnectorCare plans is only available through the Health Connector. Even if you enroll in a plan without help paying for it through the Health Connector, if you end up qualifying for a tax credit based on your income for that year, the IRS will let you to claim the tax credit when you file your taxes at the end of the year. But the tax credit is not available for someone who buys a plan outside of the Health Connector. You can also apply through the Health Connector website to see if you qualify for MassHealth coverage.