Dr. Andrew Sumarsono grew up in California and received both his undergraduate and medical degree from the University of California, Los Angeles. He completed his internal medicine residency at the University of Texas Southwestern Medical Center. Dr. Sumarsono brings a strong background in hospital medicine, medical education, mentorship, clinical research, and healthcare innovation. In addition to his clinical work, Dr. Sumarsono is deeply passionate about addressing health disparities, costs of care, and social determinants of health. His research has been published in high-impact journals such as JAMA Internal Medicine, JAMA Cardiology, and JAMA Network Open. He is currently serving as an Editorial Fellow for the Journal of Hospital Medicine. Dr. Sumarsono’s interests outside of medicine include his Christian faith and family, trying new restaurants, and traveling.


Medical School
David Geffen School of Medicine at UCLA (2017)
UT Southwestern Medical Center (2020), Internal Medicine

Research Interest

  • Clinical Outcomes
  • Health Disparities
  • Health Services
  • Healthcare Utilization and Expenditures


Featured Publications LegendFeatured Publications

Economic Burden Associated With Extended-Release vs Immediate-Release Drug Formulations Among Medicare Part D and Medicaid Beneficiaries.
Sumarsono A, Sumarsono N, Das SR, Vaduganathan M, Agrawal D, Pandey A, JAMA Netw Open 2020 Feb 3 2 e200181
Contemporary Patterns of Medicare and Medicaid Utilization and Associated Spending on Sacubitril/Valsartan and Ivabradine in Heart Failure.
Sumarsono A, Vaduganathan M, Ajufo E, Navar AM, Fonarow GC, Das SR, Pandey A, JAMA Cardiol 2019 Nov
Trends in Aggregate Use and Associated Expenditures of Antihyperglycemic Therapies Among US Medicare Beneficiaries Between 2012 and 2017.
Sumarsono A, Everett BM, McGuire DK, Fonarow GC, Butler J, Pandey A, Vaduganathan M, JAMA Intern Med 2019 Sep

Honors & Awards

  • Best Article by a Categorical Resident
    UT Southwestern (2020)
  • Outstanding Clinical Ward Teaching Award
    UT Southwestern (2018)

Professional Associations/Affiliations

  • Society of Hospital Medicine (2020)
  • American Heart Association (2019)
  • American College of Physicians (2015-2019)
  • American Medical Association (2013)