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Photo of Dr. Jonathan Edward Efron, M.D.

Efron, Jonathan Edward, M.D.

Professor of Surgery
Professor of Urology
Chief of Ravitch Service
The Mark M. Ravitch, M.D. Endowed Professorship in Gastrointestinal Surgery
Appointment Phone: 443-997-1508
Main Location: The Johns Hopkins Hospital (Main Entrance)
Expertise, Disease and Conditions: 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