Department of Emergency Medicine

Department of Emergency Medicine Leadership & Faculty

Raina M Merchant, MD MSHP FAHA

faculty photo
Associate Professor of Emergency Medicine
Director, Social Media and Health Innovation Lab, University of Pennsylvania, School of Medicine
Director, Social Media and Policy, Center for Emergency Care and Policy, University of Pennsylvania, Department of Emergency Medicine
Co-Director, Robert Wood Johnson Foundation Clinical Scholars Program, University of Pennsylvania
Associate Vice President, University of Pennsylvania Health System
Director, Center for Digital Health
Department: Emergency Medicine

Contact information
PCAM, 3400 Civic Center Blvd, 14th floor, Innovation Suite
Philadelphia, PA 19104
BA (Psychobiology)
Yale University, 1998.
University of Chicago, Pritzker School of Medicine, 2003.
MS (Master of Science in Health Policy Research)
University of Pennsylvania, 2009.
Post-Graduate Training
Resident in Emergency Medicine , University of Chicago , 2003-2007.
Chief Resident, Emergency Medicine, University of Chicago, 2006-2007.
Philips Resuscitation Fellowship, University of Chicago, 2006-2007.
Fellow, Leonard Davis Institute of Health Economics, University of Pennsylvania Perelman School of Medicine , 2007-present.
Fellow, Center for Resuscitation Science, University of Pennsylvania Perelman School of Medicine , 2007-2010.
Robert Wood Johnson Foundation Clinical Scholars Program, University of Pennsylvania Perelman School of Medicine, 2007-2010.
Board certified, American Board of Emergency Medicine, 2009.
Permanent link
> Perelman School of Medicine   > Faculty   > Details

Description of Research Expertise

Dr. Merchant is an Assistant Professor of Emergency Medicine at the University of Pennsylvania and has a secondary appointment in the Department of Internal Medicine and Department of Anesthesia and Critical Care. She is a Co-Director of the RWJF Clinical Scholars Program at the University of Pennsylvania and the Director of the Penn Social Media and Health Innovation Lab ( Her research interest is in diffusion of innovation, social media, public health, and resuscitation science. Her work involves development and testing of health related mobile apps and she has conducted several projects evaluating health communication on social/mobile media sites like Facebook, Yelp, Foursquare, Gigwalk, and others. She additionally runs a Twitter lab which analyzes tweets related to resuscitation, critical care, and public health/policy. Much of her work bridges new technologies in the field of cardiovascular health. In this context, she is the Director of the MyHeartMap Challenge, ( a social media and crowdsourcing project aimed at improving AED access and awareness by engaging the public to serve as citizen scientist. Dr. Merchant was recently recognized by the Robert Wood Johnson Foundation as one of 10 young investigators likely to have a significant impact on the future of health and healthcare in the US.

Selected Publications

Phillips CA, Hunt A, Salvesen-Quinn M, Guerra J, Schapira MM, Bailey LC, Merchant RM.: Health-related Google Search Patterns of Parents of Pediatric Oncology Patients Pediatric Blood and Cancer. Page: e27795, May 2019.

Agarwal A, Merchant RM: Told, the most used word in negative online hospital reviews. Journal of General Internal Medicine 14, Feb 2019.

Asch JM, Asch DA, Klinger EV, Marks J, Sadek N, Merchant RM: Google search histories of patients presenting to an emergency department: an observational study. BMJ Open 9(2), Feb 2019.

Merchant RM, Asch DA, Crutchley P, Ungar LH, Guntuku SG, Eichstaedt J, HillS, Padrez K, Smith RJ, Schwartz HA. : Medical condition are predictable from social media posts. Plos One 2019 Notes: in press.

Harrison J, Aiken L, Sloane DM, Berg R, Brooks Carthon JM, Merchant RM, Mchugh M: Nurse Education and Staffing Are Linked to Survival with Good Cerebral Performance Following In-Hospital Cardiac Arrest. Health Affairs 2019 Notes: (in press).

Sinnenberg L, Mancheno C, Barg F, Asch D, DeSilvestro C, Horst-Martz E, Buttenheim A, Ungar L, Merchant RM: Content Analysis of Metaphors About Hypertension and Diabetes on Twitter: Exploratory Mixed-Methods Study. Journal of Medical Internet Research Diabetes 3(4): e11177, Dec 2018 Notes: (in press).

Graves RL, Andreyeva E, Perrone J, Shofer F, Merchant RM, Meisel ZF: Naloxone Availability and Pharmacist Knowledge of Standing Order for Naloxone in Pennsylvania Pharmacies. Journal of Addiction Medicine Dec 2018.

Asch DA, Merchant RM: Social media has broken politics. Is science next? Philly Inquirer Dec 2018 Notes:

Tufts C, Polsky D, Volpp K, Groeneveld PG, Ungar L, Schwartz HA, Merchant RM: Characterizing tweet volume and content about common health conditions across Pennsylvania Journal of Medical Internet Research 6(4): e10834, Dec 2018.

Agarwal AA, Mahoney K, Lanza AL, Klinger EV, Asch DA, Fausti N, Ungar L, Merchant RM. : Online ratings of the patient experience: emergency departments versus urgent care centers. Annals of Emergency Medicine 18: 31322-2, Nov 2018 Notes: (epub).

back to top
Last updated: 05/15/2019
The Trustees of the University of Pennsylvania