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Nationally Ranked Gastroenterology Surgeons

Physicians at The University of Kansas Hospital are recognized leaders in the diagnosis and treatment of gastrointestinal or digestive system disorders that affect the:

  • Bowels
  • Colon
  • Esophagus
  • Gall bladder
  • Intestines
  • Liver
  • Pancreas
  • Rectum
  • Stomach
  • Related organs and systems

Our gastroenterology and GI surgery program ranks No. 34 among the nation's top 50 in U.S. News & World Report's Best Hospitals 2017-18. Patients and referring physicians from across the country seek the expertise of our specialists. Learn more about our gastroenterology and GI surgery program.

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Click a physician's name or photo to learn more about him or her. To request an appointment,
click the "Request Appointment" link next to the physician you've chosen.

  • Al-kasspooles, Mazin F MD

    al-kasspooles-mazin-KS431498
    Clinical Focus:
    Esophageal Cancer
    Gastric Cancer
    Colorectal Cancer
    Peritoneal Surface Malignancies
    Surgical Oncology

    Request an Appointment

  • Alley, John R MD

    alley-john-BWP0000Z
    Clinical Focus:
    Laparoscopic Hernia Repair
    Vascular Access and Port Placement
    Endoscopy
    Colon and Rectal Surgery
    Advanced Laparoscopy

    Request an Appointment

  • Ashcraft, John H DO

    ashcraft-john-BWP0002V
    Clinical Focus:
    Colon Cancer
    Benign Colorectal Disease
    Inflammatory Bowel Disease
    Emergency General Surgery
    General Surgery

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  • Berbel, German L DO

    berbel-german-BWP000H5
    Clinical Focus:
    General Surgery
    Advanced Laparoscopy
    Complex Abdominal Wall Hernia Surgery
    Anti-Reflux Surgery
    Common Surgical Problems

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  • Delcore, Romano MD

    delcore-romano-KS20430
    Clinical Focus:
    Pancreatic Cancer Surgery
    Biliary Cancer Surgery
    Surgical Oncology
    Cystic Tumors of the Pancreas
    Bile Duct Tumor

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  • DiPasco, Peter J MD

    dipasco-peter-BWP000AK
    Clinical Focus:
    Esophageal Cancer
    Gastric Cancer
    Endocrine Surgery
    Abdominal Sarcoma
    Gastrointestinal Stromal Tumor

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  • Freund, William L MD

    freund-william-CQP006WB
    Clinical Focus:
    Laparoscopic Hernia Repair
    Vascular Access and Port Placement
    Endoscopy
    Colon and Rectal Surgery
    Advanced Laparoscopy

    Request an Appointment

  • Mammen, Joshua M V MD PhD

    mammen-joshua-CCP0000T
    Clinical Focus:
    Sarcoma
    Melanoma
    Peritoneal Surface Malignancies
    Breast Cancer
    Colorectal Cancer

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  • Reintjes, Mark G MD

    Mark Reintjes, MD, Surgeon
    Clinical Focus:
    Organ Procurement
    Kidney Transplant

  • Valentino, Joseph D MD

    valentino-joseph-BWP000QR
    Clinical Focus:
    Colorectal Cancer
    Anal Cancer/Presacral Tumors
    Inflammatory Bowel Disease
    Benign Colorectal Disease
    Anorectal Diseases and Disorders

    Request an Appointment