Joanna Susan Cohen, M.D.

Headshot of Joanna Susan Cohen
  • Associate Professor of Pediatrics

Research Interests

Diagnostic imaging; point of care ultrasound; firearm injury prevention; low-acuity emergency care more


Dr. Joanna Cohen is a pediatric emergency medicine physician. She specializes in the diagnosis and treatment of acutely ill and injured children.

Dr. Cohen graduated from the State University of New York, Downstate Medical Center College of Medicine and completed her internship and residency in pediatrics at Johns Hopkins Hospital. She was fellowship trained in pediatric emergency medicine and in point of care ultrasound at Children’s National Hospital and George Washington University Hospital. She served as a pediatric emergency medicine physician and director of point of care ultrasound at Children’s National Hospital in Washington, D.C. prior to joining the faculty at Johns Hopkins. more


  • Associate Professor of Pediatrics

Departments / Divisions



  • MD; SUNY Downstate Medical Center College of Medicine (2002)


  • Pediatrics; Johns Hopkins University School of Medicine (2005)


  • Pediatric Emergency Medicine; Children's National Hospital (2010)
  • Ultrasound; The George Washington University School of Medicine (2012)

Board Certifications

  • American Board of Pediatrics (Pediatric Emergency Medicine) (2011)
  • American Board of Pediatrics (Pediatrics) (2005)

Research & Publications

Research Summary

Dr. Cohen’s research focus has been in the field of diagnostic imaging, specifically point-of-care ultrasound and reducing radiation exposure in children. Secondary research focuses have been in the field of firearm injury prevention in children and health care utilization, specifically the role of the low acuity emergency visit on the health care system and the development of academic urgent care fellowships to meet this growing need.

Patient Ratings & Comments

The Patient Rating score is an average of all responses to physician related questions on the national CG-CAHPS Medical Practice patient experience survey through Press Ganey. Responses are measured on a scale of 1 to 5, with 5 being the best score. Comments are also gathered from our CG-CAHPS Medical Practice Survey through Press Ganey and displayed in their entirety. Patients are de-identified for confidentiality and patient privacy.

Is this you? Edit Profile
back to top button