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John Affronti

Gastroenterology

John Affronti, M.D.

Professor of Medicine (PAR), Division of Gastroenterology & Hepatology, The Johns Hopkins University School of Medicine

Middle River, MD

John P. Affronti, M.D., is a Professor (PAR) in the Division of Gastroenterology & Hepatology at The Johns Hopkins University School of Medicine in Baltimore, Maryland. With over 40 years of experience, he specializes in advanced gastroenterology, with a primary clinical focus on pancreas and biliary diseases, as well as the endoscopic detection and treatment of gastrointestinal cancers. He treats conditions including Pancreatic Disease, Childhood Volvulus, Portal Hypertension, Indigestion, Acce

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40+

Years in Practice

Credentials

Education & Training

  • Duke University — Fellowship, Gastroenterology, 1990
  • George Washington University School of Medicine & Health Sciences — Internship/Residency, Internal Medicine, 1986
  • George Washington University School of Medicine & Health Sciences — M.D., 1985

Peer Recognition

  • HealthgradesOutstanding Patient Experience Award

    2023-2025 (3 years)

Clinical Focus

Subspecialties

Pancreaticobiliary

Conditions & Treatments

PancreatitisBile Duct DisordersERCP & Biliary Endoscopy

Practice Details

Hospital Affiliations

  • Johns Hopkins Bayview Medical Center
  • Johns Hopkins Hospital

Languages

English[3]

Experience

40+ years in practice