Opportunities to Address Specialty Care Deserts and the Digital Divide through the Veterans Health Administration’s Telehealth Hub-and-Spoke Cardiology Clinic: Retrospective Cohort Study

Rebecca Lauren Tisdale   ^{1, 2} , MD, MPA ;   Colin Purmal   ^{3, 4} , MD ;   Neil Kalwani   ^{1, 2} , MD, MPP ;   Alexander Sandhu   ² , MD, MS ;   Paul Heidenreich   ^{1, 2} , MD, MS ;   Donna Zulman   ^{1, 2} , MD, MS ;   Tanvir Hussain   ^{3, 4} , MD, MBA, MSc, MHS

¹ Center for Innovation to Implementation (Ci2i), Health Services Research, VA Palo Alto Health Care System, Menlo Park, CA, United States

² Department of Medicine, School of Medicine, Stanford University, Stanford, CA, United States

³ VA San Francisco Healthcare System, San Francisco, CA, United States

⁴ Department of Medicine, School of Medicine, University of California, San Francisco, CA, United States