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Ari Benjamin Friedman, MD, PhD
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Assistant Professor of Emergency Medicine
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Attending Physician, Department of Emergency Medicine
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Core Faculty, Center for Emergency Care Policy and Research, University of Pennsylvania
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Fellow, Institute on Aging, University of Pennsylvania
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Senior Fellow, Leonard Davis Institute of Health Economics, University of Pennsylvania
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Research Associate, Population Aging Research Center, University of Pennsylvania
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Assistant Program Director, Perelman School of Medicine/Wharton MD/PhD Program in Health Care Management and Economics
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Department: Emergency Medicine
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Contact information
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Department of Emergency Medicine
1d Administrative Office
1a 3400 Spruce Street
30 Ground Ravdin
Philadelphia, PA 19104
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1d Administrative Office
1a 3400 Spruce Street
30 Ground Ravdin
Philadelphia, PA 19104
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Office: 215-662-6698 - Ext 3
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Links
71 Digital Health Privacy Initiative
54 Research Webpage
79 Care, Outcomes, and Reform of Emergency Systems Talks
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71 Digital Health Privacy Initiative
54 Research Webpage
79 Care, Outcomes, and Reform of Emergency Systems Talks
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Education:
21 8 BA 2d (The Biological Basis of Behavior) c
33 University of Pennsylvania, 2006.
21 7 MS 31 (Health Care Management and Economics) c
2b The Wharton School, 2010.
21 8 PhD 31 (Health Care Management and Economics) c
47 University of Pennsylvania, The Wharton School, 2016.
21 7 MD 15 (Medicine) c
33 University of Pennsylvania, 2016.
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Permanent link21 8 BA 2d (The Biological Basis of Behavior) c
33 University of Pennsylvania, 2006.
21 7 MS 31 (Health Care Management and Economics) c
2b The Wharton School, 2010.
21 8 PhD 31 (Health Care Management and Economics) c
47 University of Pennsylvania, The Wharton School, 2016.
21 7 MD 15 (Medicine) c
33 University of Pennsylvania, 2016.
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153 Mantilla JJ, Burke RC, Orav EJ, Masser BA, Wolfe RE, Sabbatini AK, Lin MP, Friedman AB, Burke LG: Trends in Urgent Care Utilization Among Medicare Beneficiaries From 2012 to 2019. JAMA Netw Open 9(1): e2555345, Jan 2026 Notes: doi:10.1001/jamanetworkopen.2025.55345.
10a Nessen SJ, Friedman AB, Bhananker AR, Muir KJ, Chary AN: Waiting room and hallway care for older adults: a qualitative study with emergency nurses and technicians. BMC Geriatr 1(970), Nov 2025.
129 Nessen SJ, Chary AN, Bhananker AR, Muir KJ, Southerland LT, O'Brien K, Friedman AB: NOTICE-ED: Nurse or Technician Insights Into Cognitive Evaluations in the Emergency Department. J Am Geriatr Soc 73(8): 2503-2511, Aug 2025.
1a1 Nguemeni Tiako MJ, Engel-Rebitzer E, Friedman A, Shofer F, Dolan A, Hess EP, Perrone J, Schapira MM, Meisel ZF: Racial Disparities in Unmet Pain Treatment Preference, Pain Treatment Satisfaction and Subsequent Opioid Misuse: A Secondary Analysis of a National Multisite RCT. J Gen Intern Med Jun 2025 Notes: Epub ahead of print. PMID: 40562881.
14c Trueger NS, Friedman AB: Triage, the Tip of the Shears. JAMA Netw Open 8(5), May 2025 Notes: Trueger NS, Friedman AB. Triage, the Tip of the Shears. JAMA Netw Open. 2025 May 1;8(5):e258508. doi: 10.1001/jamanetworkopen.2025.8508. PMID: 40314959.
1b6 Zeng E, Wu X, Ertmann EN, Huang L, Johnson DF, Mehendale AT, Tang BT, Zhukoff K, Adjei-Poku M, Bauer L, Friedman AB, McCoy M: Measuring Risks to Users' Health Privacy Posed by Third-Party Web Tracking and Targeted Advertising. Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems. Association for Computing Machinery, Page: 1-26, April 2025.
159 Gettel CJ, Venkatesh AK, Uzamere I, Galske J, Chera T, White MA, Hwang U, PROM‐OTED Group Authorship: Development and validation of the Patient-Reported Outcome Measure-Older adult care Transitions from the Emergency Department (PROM-OTED) tool. Acad Emerg Med Mar 2025.
139 Wu RR, Adjei-Poku MN, Kelz RR, Peck GL, Hwang U, Cappola AR, Friedman AB: Trends in visits, imaging, and diagnosis for emergency department abdominal pain presentations in the United States, 2007-2019. Acad Emerg Med 32(1): 20-31, Jan 2025.
f3 Zikry HE, Friedman AB, Dresden SM, Gupta R: Integrating Emergency Departments Into The CMS GUIDE Model For People Living With Dementia. Health Affairs Forefront Jan 2025.
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Selected Publications
199 Gettel CJ, Venkatesh AK, Uzamere I, Galske J, Chera T, White MA, Hwang U, PROM‐OTED Group Authorship: Development and validation of the Patient-Reported Outcome Measure-Older adult care Transitions from the Emergency Department (PROM-OTED) tool. Acad Emerg Med 33(1): e70029, Jan 2026 Notes: Epub 2025 Mar 28; doi: 10.1111/acem.70029.153 Mantilla JJ, Burke RC, Orav EJ, Masser BA, Wolfe RE, Sabbatini AK, Lin MP, Friedman AB, Burke LG: Trends in Urgent Care Utilization Among Medicare Beneficiaries From 2012 to 2019. JAMA Netw Open 9(1): e2555345, Jan 2026 Notes: doi:10.1001/jamanetworkopen.2025.55345.
10a Nessen SJ, Friedman AB, Bhananker AR, Muir KJ, Chary AN: Waiting room and hallway care for older adults: a qualitative study with emergency nurses and technicians. BMC Geriatr 1(970), Nov 2025.
129 Nessen SJ, Chary AN, Bhananker AR, Muir KJ, Southerland LT, O'Brien K, Friedman AB: NOTICE-ED: Nurse or Technician Insights Into Cognitive Evaluations in the Emergency Department. J Am Geriatr Soc 73(8): 2503-2511, Aug 2025.
1a1 Nguemeni Tiako MJ, Engel-Rebitzer E, Friedman A, Shofer F, Dolan A, Hess EP, Perrone J, Schapira MM, Meisel ZF: Racial Disparities in Unmet Pain Treatment Preference, Pain Treatment Satisfaction and Subsequent Opioid Misuse: A Secondary Analysis of a National Multisite RCT. J Gen Intern Med Jun 2025 Notes: Epub ahead of print. PMID: 40562881.
14c Trueger NS, Friedman AB: Triage, the Tip of the Shears. JAMA Netw Open 8(5), May 2025 Notes: Trueger NS, Friedman AB. Triage, the Tip of the Shears. JAMA Netw Open. 2025 May 1;8(5):e258508. doi: 10.1001/jamanetworkopen.2025.8508. PMID: 40314959.
1b6 Zeng E, Wu X, Ertmann EN, Huang L, Johnson DF, Mehendale AT, Tang BT, Zhukoff K, Adjei-Poku M, Bauer L, Friedman AB, McCoy M: Measuring Risks to Users' Health Privacy Posed by Third-Party Web Tracking and Targeted Advertising. Proceedings of the 2025 CHI Conference on Human Factors in Computing Systems. Association for Computing Machinery, Page: 1-26, April 2025.
159 Gettel CJ, Venkatesh AK, Uzamere I, Galske J, Chera T, White MA, Hwang U, PROM‐OTED Group Authorship: Development and validation of the Patient-Reported Outcome Measure-Older adult care Transitions from the Emergency Department (PROM-OTED) tool. Acad Emerg Med Mar 2025.
139 Wu RR, Adjei-Poku MN, Kelz RR, Peck GL, Hwang U, Cappola AR, Friedman AB: Trends in visits, imaging, and diagnosis for emergency department abdominal pain presentations in the United States, 2007-2019. Acad Emerg Med 32(1): 20-31, Jan 2025.
f3 Zikry HE, Friedman AB, Dresden SM, Gupta R: Integrating Emergency Departments Into The CMS GUIDE Model For People Living With Dementia. Health Affairs Forefront Jan 2025.
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