Family Medicine physician Dr. Patrick O'Neil practices at Merrimack Family Medicine in Tewksbury, MA, specializing in family medicine and addiction medicine. He treats substance use disorders, outpatient recovery services, substance abuse treatment and counseling and adolescent lgbtqia and health services.

Family Medicine physician Dr. Patrick O'Neil practices at Lowell General Hospital Bridge Clinic – Bartlett Street in Lowell, MA, specializing in family medicine and addiction medicine. He treats substance use disorders, outpatient recovery services, substance abuse treatment and counseling and adolescent lgbtqia and he