Jahan Fahimi, MD, MPH


Dr. Jahan Fahimi is an emergency medicine doctor with a special interest in understanding how to provide the highest-quality care for patients at the right time and place. He serves as medical director of UCSF's adult emergency department and as UCSF Health's medical director for value improvement, a role in which he works with other leaders and teams across the organization to maximize care quality while eliminating inefficiencies and waste.

Fahimi's research and advocacy interests center on firearm violence in the United States. He seeks to better understand its epidemiology, to prevent injury through a public health approach, and to educate other doctors on addressing the firearm injury epidemic at the bedside. He is an affiliated faculty member of the Philip R. Lee Institute for Health Policy Studies at UCSF.

Fahimi earned his master of public health degree at the Harvard T.H. Chan School of Public Health and his medical degree at New York University. He completed a residency in emergency medicine and a research fellowship at Highland Hospital, part of Alameda Health System.


Incidence of Fit Test Failure During N95 Respirator Reuse and Extended Use.

JAMA network open

Wang RC, Degesys NF, Fahimi J, Jin C, Rosenthal E, Lazar AA, Yaffee AQ, Peterson S, Rothmann RE, Jones CMC, Tolia V, Shah MN, Raven MC, Reuse N95 Group

79 N95 Contamination With COVID-19 Following Mask Reuse and Extended Use: A Multicenter, Prospective Cohort Study.

Annals of emergency medicine

J. Ford, R. Wang, J. Fahimi, N. Degesys, A. Yaffee, M. Shah, S. Peterson, V. Toila, C. Jones, M. Raven

Addressing the Emergency Department Crowding Crisis: Is Discharge by Noon Really the Answer?

Joint Commission journal on quality and patient safety

Scott BS, Fahimi J, Mourad M

Effect of an ultrasound-first clinical decision tool in emergency department patients with suspected nephrolithiasis: A randomized trial.

The American journal of emergency medicine

Wang RC, Fahimi J, Dillon D, Shyy W, Mongan J, McCulloch C, Smith-Bindman R

Consensus-Driven Priorities for Firearm Injury Education Among Medical Professionals.

Academic medicine : journal of the Association of American Medical Colleges

Hoops K, Fahimi J, Khoeur L, Studenmund C, Barber C, Barnhorst A, Betz ME, Crifasi CK, Davis JA, Dewispelaere W, Fisher L, Howard PK, Ketterer A, Marcolini E, Nestadt PS, Rozel J, Simonetti JA, Spitzer S, Victoroff M, Williams BH, Howley L, Ranney ML

Scrubs Addressing the Firearm Epidemic: A Novel Multidisciplinary Elective for Preclinical Students.

Academic medicine : journal of the Association of American Medical Colleges

Joshi M, Schwartz HEM, Teherani A, Fahimi J

Social Emergency Medicine: History and Principles.

Harrison J. Alter, Jahan Fahimi, Nancy Ewen Wang

Patient reported delays in obtaining emergency care during COVID19.

The American journal of emergency medicine

Eswaran V, Wang RC, Vashi AA, Kanzaria HK, Fahimi J, Raven MC

Trends in Use of Diagnostic Imaging for Abdominal Pain in U.S. Emergency Departments.

AJR. American journal of roentgenology

Wang RC, Kornblith AE, Grupp-Phelan J, Smith-Bindman R, Kao LS, Fahimi J

Correlation Between N95 Extended Use and Reuse and Fit Failure in an Emergency Department.


Degesys NF, Wang RC, Kwan E, Fahimi J, Noble JA, Raven MC

Emergency department preparation for COVID-19: accelerated care units.

Emergency medicine journal : EMJ

Noble J, Degesys NF, Kwan E, Grom E, Brown C, Fahimi J, Raven M

Principles of Social Emergency Medicine.

Annals of emergency medicine

Fahimi J, Goldfrank L

Computed Tomography Use Plateaus Among Children With Emergency Visits for Abdominal Pain.

Pediatric emergency care

Fahimi J, Kornblith AE, Kanzaria H, Herring A, Wang RC

Long-term mortality in pediatric firearm assault survivors: a multi-center, retrospective, comparative cohort study.

Academic emergency medicine : official journal of the Society for Academic Emergency Medicine

Shaahinfar A, Yen IH, Alter HJ, Gildengorin G, Pan SJ, Betts JM, Fahimi J

Cardiovascular and Cerebrovascular Emergency Department Events Related to California Wildfires in 2015.

ISEE Conference Abstracts

Zachary Wettstein, Sumi Hoshiko, Robert Harrison, Jahan Fahimi, Wayne Cascio, Ana G Rappold

Cardiovascular and Cerebrovascular Emergency Department Visits Associated With Wildfire Smoke Exposure in California in 2015.

Journal of the American Heart Association

Wettstein ZS, Hoshiko S, Fahimi J, Harrison RJ, Cascio WE, Rappold AG

Predictors for under-prescribing antibiotics in children with respiratory infections requiring antibiotics.

The American journal of emergency medicine

Kornblith AE, Fahimi J, Kanzaria HK, Wang RC

The Highland Health Advocates: a preliminary evaluation of a novel programme addressing the social needs of emergency department patients.

Emergency medicine journal : EMJ

Losonczy LI, Hsieh D, Wang M, Hahn C, Trivedi T, Rodriguez M, Fahimi J, Alter H

In reply.

Annals of emergency medicine

Wang RC, Fahimi J

A Consensus-Driven Agenda for Emergency Medicine Firearm Injury Prevention Research.

Annals of emergency medicine

Ranney ML, Fletcher J, Alter H, Barsotti C, Bebarta VS, Betz ME, Carter PM, Cerdá M, Cunningham RM, Crane P, Fahimi J, Miller MJ, Rowhani-Rahbar A, Vogel JA, Wintemute GJ, Waseem M, Shah MN

A randomised experiment comparing low-cost ultrasound gel alternative with commercial gel.

Emergency medicine journal : EMJ

Riguzzi C, Binkowski A, Butterfield M, Sani F, Teismann N, Fahimi J

Derivation of decision rules to predict clinically important outcomes in acute flank pain patients.

The American journal of emergency medicine

Wang RC, Rodriguez RM, Fahimi J, Hall MK, Shiboski S, Chi T, Smith-Bindman R

In reply.

Annals of emergency medicine

Wang RC, Fahimi J

Effect of Tamsulosin on Stone Passage for Ureteral Stones: A Systematic Review and Meta-analysis.

Annals of emergency medicine

Wang RC, Smith-Bindman R, Whitaker E, Neilson J, Allen IE, Stoller ML, Fahimi J

Risk of Intracerebral Hemorrhage after Emergency Department Discharges for Hypertension.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association

Navi BB, Parikh NS, Lerario MP, Merkler AE, Lappin RI, Fahimi J, Iadecola C, Kamel H

Abstract 167: Intracerebral Hemorrhage After Emergency Department Visits for Hypertension.


Babak B Navi, Neal S Parikh, Michael P Lerario, Alexander E Merkler, Richard I Lappin, Jahan Fahimi, Costantino Iadecola, Hooman Kamel

The Impact of Clinical Decision Rules on Computed Tomography Use and Yield for Pulmonary Embolism: A Systematic Review and Meta-analysis.

Annals of emergency medicine

Wang RC, Bent S, Weber E, Neilson J, Smith-Bindman R, Fahimi J

Emergency department observation units: Less than we bargained for?

Journal of hospital medicine

Fahimi J, Hsia RY

Long-term mortality of patients surviving firearm violence.

Injury prevention : journal of the International Society for Child and Adolescent Injury Prevention

Fahimi J, Larimer E, Hamud-Ahmed W, Anderson E, Schnorr CD, Yen I, Alter HJ

Substance abuse and mental health visits among adolescents presenting to US emergency departments.

Pediatric emergency care

Fahimi J, Aurrecoechea A, Anderson E, Herring A, Alter H

Sevoflurane administration initiated out of the ED for life-threatening status asthmaticus.

The American journal of emergency medicine

Ng D, Fahimi J, Hern HG

The first 500: initial experience with widespread use of low-dose ketamine for acute pain management in the ED.

The American journal of emergency medicine

Ahern TL, Herring AA, Anderson ES, Madia VA, Fahimi J, Frazee BW

Pilot study of ultrasound-guided corticosteroid hip injections by emergency physicians.

The western journal of emergency medicine

Anderson ES, Hodell E, Mantuani D, Fahimi J, Pampalone I, Nagdev A

Evaluation of a cornstarch-based ultrasound gel alternative for low-resource settings.

The Journal of emergency medicine

Binkowski A, Riguzzi C, Price D, Fahimi J

Potential misdiagnoses of Bell's palsy in the emergency department.

Annals of emergency medicine

Fahimi J, Navi BB, Kamel H

Increasing critical care admissions from U.S. emergency departments, 2001-2009.

Critical care medicine

Herring AA, Ginde AA, Fahimi J, Alter HJ, Maselli JH, Espinola JA, Sullivan AF, Camargo CA

Nationwide patterns of hospitalization after transient ischemic attack.

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association

Kamel H, Fahimi J, Govindarajan P, Navi BB

Computed tomography use among children presenting to emergency departments with abdominal pain.


Fahimi J, Herring A, Harries A, Gonzales R, Alter H

Factors associated with ambulance use among patients with low-acuity conditions.

Prehospital emergency care : official journal of the National Association of EMS Physicians and the National Association of State EMS Directors

Durant E, Fahimi J

Regional differences in emergency medical services use for patients with acute stroke (findings from the National Hospital Ambulatory Medical Care Survey Emergency Department Data File).

Journal of stroke and cerebrovascular diseases : the official journal of National Stroke Association

Govindarajan P, Gonzales R, Maselli JH, Johnston SC, Fahimi J, Poisson S, Stein JC

Emergency department ultrasonographic probe contamination and experimental model of probe disinfection.

Annals of emergency medicine

Frazee BW, Fahimi J, Lambert L, Nagdev A

Cervical spine fracture in ankylosing spondylitis.

The western journal of emergency medicine

Carnell J, Fahimi J, Wills CP

Result categories for ventilation-perfusion scintigraphy.


Kohn MA, Fahimi J, Newman TB, Sostman HD, Stein PD, Hull RD

Bilateral subthalamic nucleus deep brain stimulation improves certain aspects of postural control in Parkinson's disease, whereas medication does not.

Movement disorders : official journal of the Movement Disorder Society

Shivitz N, Koop MM, Fahimi J, Heit G, Bronte-Stewart HM

Drinks during lunch.

The virtual mentor : VM

Fahimi J