St. Mary Medical Center Senior Clinic - Closed is a outpatient services clinic that offers many services, including C.A.R.E., dental services, and social services. Visit St. Mary Medical Center Senior Clinic - Closed located at 432 E 10th St., Long Beach, CA 90813. This Long Beach outpatient services clinic is one of the best in California. As part of the Dignity Health network, St. Mary Medical Center Senior Clinic - Closed is dedicated to delivering high quality, compassionate care and access to Long Beach and nearby communities.