Penn Medicine Provider
Hospital Medicine
S. Ryan Greysen, MD, MHS, MA, FHM
Accepting new patients
Sees patients age 18 and up
Penn Hospital Medicine HUP
View 1 additional location
Call 800-789-7366

About me

  • Chief, Section of Hospital Medicine
  • Professor of Medicine (Hospital Medicine) at the Hospital of the University of Pennsylvania and the Presbyterian Medical Center of Philadelphia

Education and training

  • Medical School: University of Texas
  • Residency: George Washington University Medical Center

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
  • Penn Medicine Rittenhouse Long-Term Acute Care Hospital
Dr. Greysen is a Penn Medicine physician.

Qualifications and experience

My research

Auerbach AD, Lee TM, Hubbard CC, Ranji SR, Raffel K, Valdes G, Boscardin J, Dalal AK, Harris A, Flynn E, Schnipper JL; UPSIDE Research Group. Diagnostic Errors in Hospitalized Adults Who Died or Were Transferred to Intensive Care , JAMA Intern Med, 184: 2024,164-173

Greysen SR, Oon AL, Harkins K, Rareshide C, Mondal A, Patel MS, Grill JD, Karlawish J. Effect of gamification with a support partner to increase physical activity in older adults at risk for Alzheimer's disease: The STEP 4Life randomized clinical trial , Alzheimers Dement: 2024

Martinez M, Cerasale M, Baig M, Johnson JK, Dugan C, Brown A, Robinson M, Schram A, Greysen SR, Meltzer D, Baccile R, Arora VM. Reducing Physical Therapy Consults for Patients With High Functional Mobility in the Acute Medical Inpatient Setting: A Difference-in-Difference Analysis , Arch Phys Med Rehabil: 2024

Greysen SR, Lee DJ. Inivited Commentary: The first steps are always the hardest-leveraging technology to better quantify the earliest phases of postoperative mobility , Surgery: 2024

Willinger CM, Waddell KJ, Arora V, Patel MS, Ryan Greysen S. Patient-reported sleep and physical function during and after hospitalization , Sleep Health: 2024

Bann M, Manjarrez E, Kellner CP, Greysen R, Davis C, Lee T, Soleimanpour N, Tambe N, Auerbach A, Schnipper JL. Post-Hospitalization Home Monitoring Programs During the COVID-19 Pandemic: Survey Results from the Hospital Medicine Re-engineering Network (HOMERuN) , J Gen Intern Med: 2024

Trotta RL, Shoemaker AE, Greysen SR, Boltz M. Pilot Process Evaluation of the Supporting Older Adults at Risk Model: A RE-AIM Approach , J Healthc Qual: 2024

Thakrar AP, Lowenstein M, Greysen SR, Delgado MK. Trends in Before Medically Advised Discharges for Patients With Opioid Use Disorder, 2016-2020 , JAMA, 330: 2023,2302-2304

Kohn R, Harhay MO, Weissman GE, Urbanowicz R, Wang W, Anesi GL, Scott S, Bayes B, Greysen SR, Halpern SD, Kerlin MP. A Data-Driven Analysis of Ward Capacity Strain Metrics That Predict Clinical Outcomes Among Survivors of Acute Respiratory Failure , J Med Syst, 47: 2023,83

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