Breadcrumb Lifespan HomeLifespan Locations Psychiatry And Behavioral Health Services For Adults, Gateway Healthcare, Johnston, RI Johnston, RI Copy URL to Clipboard URL COPIED! Print Psychiatry and Behavioral Health Services for Adults, Gateway Healthcare, Johnston, RI Location Information 1443 Hartford Avenue Johnston, RI 02919 (directions) Phone: 401-273-8100 Directions Free onsite parking available Find a Doctor The right provider is in our network Search more than 1,200 providers in our network. Find a Doctor