Northern Light Health receives $250,000 Grant to improve healthcare access for marginalized people across Maine. Northern Light Mercy Hospital launches post-COVID care. Release Date: 09/09/2021. Mercy Hospital has launched a new effort to help those who are experiencing lingering symptoms even after they have recovered from COVID-19 infection.Care Centers & Services‧About Us‧Patients & Visitors‧Providers‧Locations‧Northern Light Mercy Hospital.