Kathryn Marie Ritter, M.D.

Headshot of Kathryn Marie Ritter
  • Assistant Program Director, Emergency Medicine Residency
  • Assistant Professor of Emergency Medicine


Emergency Medicine


The Johns Hopkins Hospital

600 N. Wolfe Street
Baltimore, MD 21287
The Johns Hopkins Hospital - Google Maps


Kathryn Ritter, MD is an instructor and assistant program director in the Department of Emergency Medicine.

Dr. Ritter graduated from medical school at the University of Wisconsin School of Medicine. She completed her residency training at Vanderbilt University, where she served as chief resident, and her Medical Education Fellowship at Oregon Health & Science University. 

Dr. Ritter's interests include medical education and focused coaching and remediation. She practices clinically in the Emergency Departments of Bayview Medical Center and the Johns Hopkins Hospital.

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  • Assistant Program Director, Emergency Medicine Residency
  • Assistant Professor of Emergency Medicine

Departments / Divisions



  • MD; University of Wisconsin Medical School (2017)


  • Emergency Medicine; Vanderbilt University Medical Center (2021)


  • Medical Education; Oregon Health and Sciences University Hospital (2023)

Board Certifications

  • American Board of Emergency Medicine (Emergency Medicine) (2021)

Research & Publications

Selected Publications

Wolfe C, Halsey-Nichols M, Ritter K, McCoin N. Abdominal pain in the emergency department: how to select the correct imaging for diagnosis. Open Access Emerg Med. 2022; 335-45

Starnes LS, Hanson HR, Swarm M, Johnson A, Ritter K, Frazier SB. Adolescent with pelvic and rectal pain. J Emerg Med. 2021; S0736-4679(20)31331-7

Murphy L, Ritter K, Pirotte M. ED Care of Head and Neck Cancer Patients. emDocs. 2021 Apr 

Freeman CL, Ritter KM, Barrett TW. Chronic obstructive pulmonary disease in the emergency department: what are we missing? May 2021 Annals of Emergency Medicine Journal Club. Ann Emerg Med. 2021; 77(5)550-551

Ritter K, Fitch RW. Extremity Conditions, in Knoop KJ, Stack LB, Storrow AB, Thurman RJ (eds): The Atlas of Emergency Medicine, 5th Edition. McGraw-Hill, New York. 2020

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