Social Security, paving the way for national interoperability… Current status (as of 11/16/20) – 200 organizations representing 26,728 participating providers

Partner Organization States With Participating Facilities Advocate Aurora Health IL, WI Alameda Health System CA Allegheny Health Network OH, PA, WV Allina Health MN, WI MN, ND Anne Arundel Medical Center MD Asante Health System OR Aspirus System MI, WI Atlantic Health NJ, PA Baptist Health Arkansas AR Baptist Memorial Healthcare AR, MS, TN Bayhealth Medical Center DE Beth Israel Deaconess Medical Center MA Bronson Healthcare MI Bryan Health NE Buffalo Medical Group NY Cape Fear Valley Health System NC Carilion Clinic VA Carle Foundation IL CaroMont Health NC, SC Cedars-Sinai Health System CA Centura Health CO, KS, MT, NM Cheyenne Regional Medical Center WY Children's Healthcare of Atlanta GA Children's Hospital Colorado CO, MT, WY Children’s Hospital of Philadelphia NJ, PA Children's Medical Center of Dallas TX CHRISTUS Trinity Mother Frances Health System TX Page 1 of 7 Partner Organization States With Participating Facilities Cincinnati Children’s Hospital Medical Center IN, KY, OH City of Hope CA Cleveland Clinic FL, NV, OH Columbus Regional Health IN Community Medical Centers CA Conemaugh Health System PA Confluence Health WA Contra Costa Health Services CA Cottage Health CA Covenant HealthCare MI Dartmouth-Hitchcock NH, VT Dayton Children’s Hospital OH Denver Health Hospital Authority CO Department of Defense National/International Department of Veterans Affairs National/International Dignity Health AZ, CA, NV Eisenhower Medical Center CA El Camino Hospital CA Enloe Medical Center CA Erlanger Health System GA, TN MI, MN, ND, WI Fairview Health Services MN FirstHealth of the Carolinas NC Franciscan Health IL, IN Franciscan Missionaries of Our Lady Health System LA Geisinger Health System PA Greater Baltimore Medical Center MD Group Health Cooperative WA Gundersen Health System IA, MN, WI Guthrie Health System NY, PA Hattiesburg Clinic and Forrest General Hospital MS Hawaii Pacific Health HI Health Ventures of Central IA HealthEast Care System MN, WI Hennepin County Medical Center MN

Page 2 of 7 Partner Organization States With Participating Facilities Henry Ford Health System MI Hoag Health Network CA HonorHealth AZ Hurley Medical Center MI Indiana Health Information Exchange IL, IN Inova Health System MD, VA, WV John Muir Health CA Johns Hopkins Medicine DC, MD, VA JPS Health Network TX Kaiser Permanente CA, CO, DC, GA, HI, MD, OR, VA, WA Kaiser Permanente Washington WA Kelsey-Seybold Clinic TX Kettering Health Network OH Lancaster General Health PA Lee Health FL Legacy Health System OR, WA Lehigh Valley Health Network PA Leon Medical Centers FL Lifespan MA, RI Loma Linda University Health CA, NV Loyola Medicine IL Marshfield Clinic WI Martin Health System FL Mary Washington Healthcare VA Mass General Brigham MA, ME, NH, RI Mayo Clinic AZ, FL, IA, MN, WI Medical University of South Carolina SC MedVirginia – Bon Secours KY, MD, NC, SC, VA MedVirginia – CentraHealth VA Memorial Healthcare System FL MemorialCare Health System CA Mercy Health IN, KY, MI, OH, PA Mercy Hospital - AOK AR, KS, OK Mercy Hospital - SGF AR, KS, MO Mercy Hospital – STL IL, MO

Page 3 of 7 Partner Organization States With Participating Facilities Mercycare Service Corporation IA MetroHealth OH Michiana Health Information Network IN Montage Health CA Mount Auburn Hospital MA Mount Sinai Health System CT, NJ, NY Mount Sinai Medical Center FL MultiCare Health System WA Medicine IA, KS, MO, NE Nemours Health System DE, FL, GA, NJ, PA North Memorial Health MN North Oaks Health System LA Northeast Georgia Health System GA NorthShore University Health System IL Norton Healthcare IN, KY Novant Health NC, SC, VA NYU Langone Health System FL, KY, NJ, NY AK, CA, GA, IN, MA, MN, MT, NC, OCHIN, Inc. NM, NV, OH, OR, TX, WA, WI Ochsner Health System LA Ohio State University Wexner Medical Center OH Oregon Health and Science University OR, WA OrthoVirginia VA OSF HealthCare IL, MI Parkland Health TX PeaceHealth Laboratories AK, OR, WA Penn Medicine PA Premier Health OH Presbyterian Healthcare Services NM Prisma Health SC ProMedica Health Systems MI, OH Providence Health and Services - AK AK Providence Health and Services – OR/CA CA, OR, WA Providence Health and Services – WA/MT ID, MT, OR, WA

Page 4 of 7 Partner Organization States With Participating Facilities Rady Children's Hospital - San Diego CA VA Riverside Medical Center IL Rochester Regional Health NY Rush University Medical Center IL Salem Health OR Samaritan Health Services OR San Francisco Department of Public Health CA Sanford Health IA, MN, ND, OK, OR, SD SCL Health System CO, KS, MT, WY Scripps Health CA NC, VA Shannon Medical Center TX Singing River Health System MS Skagit Regional Health WA Southcoast Health MA, RI Southern Illinois Healthcare IL Sparrow Health System MI Spartanburg Regional Healthcare System NC, SC Spectrum Health MI St. Charles Health System OR St. Elizabeth Healthcare IN, KY, OH St. Joseph’s Health NY St. Luke's Health System (ID) ID, OR St. Luke’s Health System (MO) KS, MO St. Lukes’s University Health Network NJ, PA Stanford Hospital and Clinics CA, NV Stormont Vail Health KS Sutter Health CA, NV Tampa General Hospital FL Texas Health Resources TX The Institute for Family Health NY The Portland Clinic OR The Queen’s Health Systems HI The Vancouver Clinic WA

Page 5 of 7 Partner Organization States With Participating Facilities ThedaCare (and Bellin Health) MI, WI TriHealth IN, KY, OH Tucson Medical Center AZ UConn Health CT UMass Memorial Healthcare MA UnityPoint Health IA, IL, MO, NE, WI University Health Shreveport LA University of Arkansas Medical Sciences AR University of Davis Health System CA University of California San Diego Health CA, NV University of Chicago Medicine IL, IN University of Cincinnati Health IN, KY, OH University of Colorado Health CO, NE, WY University of Florida Health FL, GA University of Iowa and Clinics IA University of Miami Health System FL University of Mississippi Medical Center MS University of System NC, VA University of Rochester Medical Center NY University of Texas Medical Branch TX University of Texas Southwestern Medical Center TX University of Utah Health Care ID, NV, UT, WY University of Vermont Health Network NY, VT University of Health System VA, WV University of Wisconsin Health IL, WI Upstate Medical University NY Valley Medical Center WA Vidant Health NC Virginia Hospital Center VA Wake Forest Baptist Medical Center NC Watson Clinic FL Wellmont Health System TN, VA WellStar Health System AL, GA

Page 6 of 7 Partner Organization States With Participating Facilities West Virginia University Medicine MD, PA, WV Yale New Haven Health CT, NY, RI

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