S. Ryan Greysen, MD, MHS, MA, SFHM

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Professor of Medicine (Hospital Medicine) at the Hospital of the University of Pennsylvania and the Presbyterian Medical Center of Philadelphia
Associate Chief, Division of General Internal Medicine, Penn
Attending Physician, Hospital of the University of Pennsylvania
Attending Physician, Penn Presbyterian Medical Center
Chief, Section of Hospital Medicine, Penn
Executive Director, Center for Evidence-based Practice, Penn Medicine
Department: Medicine

Contact information
Hospital of the University of Pennsylvania
5 Maloney, Suite 5030
3400 Spruce St.
Philadelphia, PA 19104
BA (Microbiology )
University of Texas, 1998.
MA (Medical Humanities)
University of Texas Medical Branch, 2001.
MA (History and Social Science)
University of Pennsylvania, 2003.
University of Texas Medical Branch (UTMB), 2005.
MHS (Health Services Research)
Yale University, 2011.
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Selected Publications

Bressman E, Kohn R, Song H, Greysen SR.: Geographic cohorting by clinical care team: a narrative review. Ann Palliat Med Apr 2023.

Auerbach AD, Astik GJ, O'Leary KJ, Barish PN, Kantor MA, Raffel KR, Ranji SR, Mueller SK, Burney SN, Galinsky J, Gershanik EF, Goyal A, Chitneni PR, Rastegar S, Esmaili AM, Fenton C, Virapongse A, Ngov LK, Burden M, Keniston A, Patel H, Gupta AB, Rohde J, Marr R, Greysen SR, Fang M, Shah P, Mao F, Kaiksow F, Sterken D, Choi JJ, Contractor J, Karwa A, Chia D, Lee T, Hubbard CC, Maselli J, Dalal AK, Schnipper JL.: Prevalence and Causes of Diagnostic Errors in Hospitalized Patients Under Investigation for COVID-19. J Gen Intern Med Mar 2023.

Fricke J, Siddique SM, Douma C, Ladak A, Burchill CN, Greysen R, Mull NK.: Workplace Violence in Healthcare Settings: A Scoping Review of Guidelines and Systematic Reviews. Trauma Violence Abuse Nov 2022.

Largent EA, Eriksen W, Barg FK, Greysen SR, Halpern SD.: Participants' Perspectives on Payment for Research Participation: A Qualitative Study. Ethics Hum Res Nov 2022.

Sata SS, Greysen SR.: Lulled into a false sense of security: Mortality for vulnerable populations may remain elevated even during the lull between COVID-19 waves. J Hosp Med 17(9): 776-777, Aug 2022.

Kilaru AS, Porges SB, Grossman L, Delgado MK, Morgan AU, Chaiyachati KH, Asch DA, Greysen SR, Lockwood AC, Hemmert KC, McGinley S, Mannion N, Huffenberger AM, Bressman E, O'Connor N, Khan N, Balachandran M, Snider CK, Xiong A, Mitra N, Lee KC.: An accelerated hospital observation pathway to reduce length of stay for patients with COVID-19. Am J Manag Care 28(6): 262-268, Jun 2022.

Waddell KJ, Patel MS, Clark K, Harrington TO, Greysen SR.: Effect of Gamification With Social Incentives on Daily Steps After Stroke: A Randomized Clinical Trial. JAMA Neurol 79: 528-530, May 2022.

Greysen SR, Waddell KJ, Patel MS.: Exploring Wearables to Focus on the "Sweet Spot" of Physical Activity and Sleep After Hospitalization: Secondary Analysis. JMIR Mhealth Uhealth 10: e30089, Apr 2022.

Shannon EM, Cauley M, Vitale M, Wines L, Chopra V, Greysen SR, Herzig SJ, Kripalani S, O'Leary KJ, Vasilevskis EE, Williams MV, Auerbach AD, Mueller SK, Schnipper JL.: Patterns of utilization and evaluation of advanced practice providers on academic hospital medicine teams: A national survey. J Hosp Med 17(3): 186-191, Mar 2022.

Halpern SD, Chowdhury M, Bayes B, Cooney E, Hitsman BL, Schnoll RA, Lubitz SF, Reyes C, Patel MS, Greysen SR, Mercede A, Reale C, Barg FK, Volpp KG, Karlawish J, Stephens-Shields AJ.: Effectiveness and Ethics of Incentives for Research Participation: 2 Randomized Clinical Trials. JAMA Intern Med 181: 1479-1488, Nov 2021.

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Last updated: 06/05/2023
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