Gateway Healthcare Rhode Island’s largest nonprofit behavioral health care provider Breadcrumb Brown University Health HomeBrown University Health LocationsGateway HealthcareAbout Gateway Healthcare Gateway Healthcare Leadership Copy URL to Clipboard URL COPIED! Print Gateway Healthcare Leadership Stephen L. Chabot, MD Medical Director, Gateway Healthcare More Melissa Costa, LCDP, CDCS Director, Substance Use, Psychiatric Rehabilitation and Residential Services, Gateway Healthcare Elizabeth James, LMHC Director, Emergency Services, Gateway Healthcare Doris Santagata, MSW Director, Adult Outreach Services, Gateway Healthcare Courtney S. Stafford, MPA, MLS Director, Quality and Accreditation, Gateway Healthcare Susan Stevenson, MEd Director, Certified Community Behavioral Clinic and Children’s Services, Gateway Healthcare More Gateway Healthcare About Gateway Healthcare Gateway Healthcare Affiliates Gateway Healthcare Facts and Statistics Leadership Clinical Services Emergency Services and Crisis Stabilization Psychiatric Rehabilitation Services Residential Programs Community Support Services Child and Family Services Substance Use Disorders Treatment Healthy Transitions General Outpatient Services Services for Veterans and Active-Duty Military Giving & Donations Donate Now Corporate Giving Giving Opportunities For Clients & Families Financial Assistance Rights of Clients of Adult Residential Services Rights of Research Participants Contact Us