Family Clinic - St. Mary Medical Center - Long Beach is a outpatient services clinic that offers many services, including primary care services, family care, and internal medicine services. Visit Family Clinic - St. Mary Medical Center - Long Beach located at 1045 Atlantic Ave, Long Beach, CA. This Long Beach outpatient services clinic is one of the best in California. As part of the Dignity Health network, Family Clinic - St. Mary Medical Center - Long Beach is dedicated to delivering high quality, compassionate care and access to Long Beach and nearby communities.