Jonathan E. Efron, M.D.

Headshot of Jonathan E. Efron
  • The Mark M. Ravitch, M.D. Endowed Professorship in Gastrointestinal Surgery
  • Professor of Surgery

Expertise

Anorectal Disorders, Colon Cancer, Colorectal Surgery, Colostomy-sparing Surgery, Fecal Incontinence, General Surgery, Inflammatory Bowel Disease (IBD), Minimally Invasive Surgery, Rectal Cancer, Sphincter-Preserving Surgery ...read more

Research Interests

Sphincter-preserving surgery; Rectal cancer; Minimally invasive surgery; Inflammatory bowel disease; General surgery; Fecal incontinence; Colostomy-sparing surgery; Colorectal surgery; Colon cancer; Anorectal disorders ...read more

Locations

The Johns Hopkins Hospital

Appointment Phone: 443-997-1508
600 N. Wolfe Street
Baltimore, MD 21287 map

Johns Hopkins Outpatient Center (now called Levi Watkins, Jr., M.D., Outpatient Center)

Appointment Phone: 443-997-1508
601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 443-997-1508

Background

Dr. Jonathan Edward Efron is a professor of urology and surgery at the Johns Hopkins School of Medicine. He is also a recipient of The Mark M. Ravitch, M.D., Endowed Professorship in Gastrointestinal Surgery.

Dr. Efron is a colon and rectal surgeon whose clinical focus includes colon and rectal cancer, inflammatory bowel disease, fecal incontinence and anorectal disorders. He is an expert in minimally invasive and robotic procedures and colostomy-sparing procedures, such as ileal pouch anal anastomosis. He also has a particular interest in the management of recurrent rectal cancer.

Dr. Efron received his B.A. from Franklin and Marshall College, and completed his M.D. at the University of Maryland in 1993. He then conducted a residency in general surgery at North Shore University Hospital in Manhasset, NY, and a fellowship in colorectal surgery at the Cleveland Clinic of Florida.

He joined the Johns Hopkins faculty after serving as an associate professor of surgery at the Mayo Clinic College of Medicine in Arizona.

Dr. Efron has published more than 71 articles in peer-reviewed journals, 11 book chapters and over 104 abstracts. He has presented his work locally, regionally, nationally and internationally.

He is a member of the American College of Surgeons, the American Society of Colon and Rectal Surgeons, the Society of American Gastrointestinal Endoscope Surgeons, the Society of LaparoEndoscopic Surgeons, the Society of Surgeons of the Alimentary Tract and the Southwest Surgical Society. He also serves on the World Journal of Surgery editorial board and is a member of the Southwest Chapter of the CCFA Medical Advisory Committee.

In 2015, Dr. Efron was named executive vice director of the Johns Hopkins Department of Surgery. In this role, Dr. Efron assists in the day-to-day operation of the department and serves as a liaison between The Johns Hopkins Hospital and its affiliates.

...read more

Titles

  • The Mark M. Ravitch, M.D. Endowed Professorship in Gastrointestinal Surgery
  • Interim Vice Dean for Clinical Affairs
  • Professor of Surgery
  • Professor of Urology

Departments / Divisions

Centers & Institutes

Education

Degrees

  • B.A.; Franklin and Marshall College (Pennsylvania) (1989)
  • M.D.; University of Maryland School of Medicine (Baltimore) (1993)

Activities & Honors

Memberships

  • American College of Surgeons
  • American Society of Colon and Rectal Surgeons
  • Society of American Gastrointestinal Endoscope Surgeons
  • Society of LaparoEndoscopic Surgeons
  • Society of Surgeons of the Alimentary Tract
  • Southwest Surgical Society

Professional Activities

  • Editorial Board, World Journal of Surgery

Videos & Media

  • Play Video:

    2016 Physician of the Year – Jonathan Efron, M.D., The Johns Hopkins Hospital

  • Play Video:

    Rectal Cancer | Q&A

  • Play Video:

    ERAS Pathway: A Quicker Recovery After Colorectal Surgery

  • Play Video:

    Patient Perspectives | Gary Waymire - Colorectal Cancer

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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