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Photo of Dr. Anthony Kalloo

Anthony Nicholas Kalloo, MD

Chief, Division of Gastroenterology and Hepatology
Professor of Medicine
Male
Appointment Phone

410-933-7495

Main Location

The Johns Hopkins Hospital

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Out-of-State & International Patients +
Out of State Patients

Call 410-464-6641 (8a.m. to 6p.m., EST, Mon-Fri)

Learn more about our out-of-state patient services »

International Patients

Call +1-410-502-0773 (7a.m. to 6p.m., EST, Mon-Fri)

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Titles

  • Chief, Division of Gastroenterology and Hepatology
  • Professor of Medicine

Expertise

Abdominal Pain, Clinical Gastroenterology, Colon Polyps, Digestive Diseases, Gallbladder, Gallstones, Gastroenterology, Pancreatic Cancer, Pancreatitis, Rectal Problem, Sphincter of Oddi, Stomach Pain, Stomach Ulcer

Research Interests

Natural Orifice Translumenal Endoscopic Surgery, NOTES, Pancreatitis, Sphincter of oddi, Abdominal pain

Biography

Dr. Anthony Kalloo is a Professor of Medicine at Johns Hopkins Hospital, Division of Gastroenterology. He is the Director of The Division of Gastroenterology and Hepatology with special interests in Natural Orifice Translumenal Endoscopic Surgery, therapeutic endoscopy, and sphincter of Oddi dysfunction. 

After receiving his medical degree at the University of West Indies Medical School, Dr. Kalloo interned at Port of Spain General Hospital in Trinidad and performed his Internal Medicine Residency Howard University Hospital in Washington, D.C., where he was also Chief Resident in Internal Medicine. He completed his fellowship training program at the combined Georgetown University, VA Medical Center and NIH program. He was an Instructor in Medicine at Georgetown University prior to joining the faculty at Johns Hopkins in 1988. He was an Associate Editor of Gastrointestinal Endoscopy.

Dr. Kalloo has authored multiple scientific papers and book chapters. He has pioneered and has several patents including the use of Botulinum Toxin in the gastrointestinal tract, endoscopic cryotherapy and the winged biliary/pancreatic stent and others related to natural orifice surgery. He is the pioneer of Natural Orifice Translumenal Endoscopic Surgery, a technique that will enable abdominal surgery without the use of incisions.

Dr. Kalloo is a past Panel Chair for Gastroenterology and Urology Devices with the United States Food and Drug Administration.   He is a member of the Apollo group, a think-tank endoscopy group. Dr. Kalloo and the Division of Gastroenterology and Hepatology aim to advance the understanding, diagnosis, treatment and prevention of gastrointestinal and liver disease through patient care, education and research.

Languages

  • English

Additional Resources

Additional Resources +
  • Education +

    Training

    • Faculty of Medical Sciences (Kingston 7 ) (1979)

    Residencies

    • Howard University Hospital / Internal Medicine (Washington DC) (1985)

    Fellowships

    • Veterans Affairs Medical Center / Gastroenterology and Hepatology (Washington DC) (1987)

    Certifications

    • American Board of Internal Medicine / Gastroenterology (1987)
    • American Board of Internal Medicine / Internal Medicine (1985)
  • Research & Publications +
  • Academic Affiliations & Courses +
  • Activities & Honors +
  • Videos & Media +

    Videos

    Sphincter of Oddi Dysfunction - Q&A

    Chief of the Division of Gastroenteorlogy & Hepatology, Dr. Tony Kalloo, answers questions about sphincter of Oddi, how it is diagnosed and how it can be treated. Learn more about this condition: http://www.hopkinsmedicine.org/gi

  • Events +
  • Contact & Locations +

    Locations

    The Johns Hopkins Hospital
    600 N. Wolfe Street
    Sheikh Zayed Tower
    Baltimore, MD 21287
    Phone: 410-955-9697
    Appointment Phone: 410-933-7495
    Fax: 410-614-7340
    Location Map
    Johns Hopkins Medicine - Green Spring Station
    2360 W. Joppa Road
    Lutherville, MD 21093
    Phone: 410-616-7340
    Appointment Phone: 410-616-7350
    Fax: 410-616-7351
    Location Map

    Department/Division

    • Medicine - Gastroenterology and Hepatology

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