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Margaret R Moon, M.D., M.P.H.

Headshot of Margaret R Moon
  • Associate Professor of Pediatrics


Adolescent Medicine, General Pediatrics , Pediatrics more

Research Interests

Ethics in Clinical Practice; Ethics Education ; Ethics in Research; Urgent Care Pediatrics more


The Johns Hopkins Hospital (Main Entrance)

1800 Orleans St.
Sheikh Zayed Tower
Baltimore, MD 21287 map
Phone: 443-287-8947

Johns Hopkins Outpatient Center

601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 443-287-8947

Johns Hopkins Pediatrics

200 N. Wolfe Street
Rubenstein Child Health Building
Baltimore, MD 21287 map


Dr. Margaret Moon is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. Her areas of clinical expertise include ethics in clinical practice, ethics education, ethics in research and urgent care pediatrics. Dr. Moon spends her clinical time in the Johns Hopkins Pediatric Emergency Department, where she teaches residents in the urgent care setting.

Dr. Moon received her undergraduate degree from Michigan State University. She earned her M.D. from Johns Hopkins School of Medicine and M.P.H. from Johns Hopkins University School of Public Health. She completed a fellowship in clinical medical ethics at the McLean Center for Clinical Medical Ethics of the University of Chicago and was a Robert Wood Johnson Clinical Scholar at the University of Chicago.

Her research interests include empirical evaluation of ethics in everyday pediatric practice, teaching and evaluating housestaff education in ethics, and the ethics of community-based research. Dr. Moon is a core faculty member of the Johns Hopkins Berman Institute of Bioethics, where she is supported as the Freeman Scholar in Clinical Ethics. She serves as an ethics member of the Hopkins IRB. She is also an editor of the newly developed Harriet Lane Continuity Clinic Internet Curriculum. more


  • Associate Professor of Pediatrics

Departments / Divisions

Centers & Institutes



  • MD; Johns Hopkins University School of Medicine (1990)


  • Pediatrics; Johns Hopkins University School of Medicine (1993)


  • The University of Chicago Medical Center (1997)

Board Certifications

  • American Board of Pediatrics (Pediatrics) (1993)

Research & Publications

Research Summary

Dr. Moon's research interests include empirical evaluation of ethics in everyday pediatric practice, teaching and evaluating housestaff education in ethics, and the ethics of community-based research.

Clinical Trials

Learn more about clinical trials at Johns Hopkins Medicine.

Selected Publications

Simpson E, Moon M, and Lantos JD. “When parents refuse a septic workup for a newborn.” Pediatrics. 2011 Nov;128(5), 966-969.

Carrese JA, McDonald EL, Moon M, Taylor HA, Khaira K, Catherine Beach M, and Hughes MT. “Everyday ethics in internal medicine resident clinic: an opportunity to teach.” Medical Education. 2011 July;45(7), 712-721.

Kirsch TD, and Moon MR. “A piece of my mind. The line.” JAMA. 2010 Mar 10;303(10), 921-922.

Taylor HA, McDonald EL, Moon M, Hughes MT, and Carrese JA. “Teaching ethics to paediatrics residents: the centrality of the therapeutic alliance.” Medical Education. 2009 Oct;43(10), 952-959.

Moon MR. “Transforming Distress.” Ambulatory Pediatrics. 2008 Mar-Apr;8(2), 85.

Rinke ML, Moon M, Clark JS, Mudd S, and Miller MR. “Prescribing errors in a pediatric emergency department.” Pediatric Emerg Care. 2008 Jan; 24(1), 1-8.

Activities & Honors

Professional Activities

  • Editor, Harriet Lane Continuity Clinical Internet Curriculum
  • Ethics member, Johns Hopkins IRB

Videos & Media

Recent News Articles and Media Coverage

Drug treatments for transgender kids pose difficult choices for parents, doctors, The Washington Post, May 19, 2012
Is obesity grounds for taking away a child?, Baltimore Sun, July 16, 2011
Children added to adult lung transplant list amid outcry a dilemma for doctors, CBS News, July 8, 2013

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.

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