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Walter Koltun, MD, Colon & Rectal Surgery, Hershey, PA, Penn State Milton S. Hershey Medical Center

WalterAKoltunMDFACS, FASCRS

Colon & Rectal Surgery Hershey, PA

Chief of Colorectal Surgery

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Summary

  • Dr. Walter Koltun is a colorectal surgeon in Hershey, PA and is affiliated with multiple hospitals in the area, including Penn State Milton S. Hershey Medical Center, Penn State Milton S. Hershey Medical Center, Penn State Milton S. Hershey Medical Center, and Penn State Milton S. Hershey Medical Center. He received his medical degree from Harvard Medical School and has been in practice 36 years. He is experienced in diverticulitis, inflammatory bowel disease, colon cancer, and rectal cancer.

Education & Training

  • Lahey ClinicFellowship, Colon and Rectal Surgery, 1989 - 1990
  • Brigham and Women's Hospital
    Brigham and Women's HospitalResidency, General Surgery, 1981 - 1989
  • Harvard Affiliated Hospitals
    Harvard Affiliated HospitalsClass of 1981
  • Massachusetts Institute of TechnologyB.S., 1977

Certifications & Licensure

  • PA State Medical License
    PA State Medical License 1990 - 2022
  • American Board of Colon and Rectal Surgery Colon & Rectal Surgery
  • American Board of Surgery Surgery
  • American Board of Colon and Rectal Surgerycolon and rectal surgery

Awards, Honors, & Recognition

  • Regional Top Doctor Castle Connolly, 2014
  • Castle-Connelly Top Doctor 2011
  • Outstanding Mentor Penn State College of Medicine Class of 2008, 2008
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Clinical Trials

Publications & Presentations

PubMed

Journal Articles

  • Response to the Letter to the Editor from Dai Et Al, Regarding “Smoking and the Risk of Pouchitis in Ulcerative Colitis Patients with Ileal Pouch Anal Anastomosis”  
    Walter Koltun, Emmanuelle D Williams, Inflammatory Bowel Diseases
  • Smoking and the Risk of Pouchitis in Ulcerative Colitis Patients with Ileal Pouch-Anal Anastomosis  
    Walter Koltun, Emmanuelle D Williams, Inflammatory Bowel Diseases
  • IBD LIVE Case Series: Case 9: Do Race and Extraintestinal Manifestations Affect Treatment of Severe Crohn’s Colitis?  
    David J Keljo, Joel R Rosh, Samir A Shah, Myron H Brand, Alka Goyal, Brian K Theisen, Hans H Herfarth, Walter A Koltun, Kim L Isaacs, Julia B Greer, Corey A Siegel, Ra..., Inflammatory Bowel Diseases
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Books/Book Chapters

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Abstracts/Posters

  • Is There An Asian Ethnic Disparity in Outcomes Following Colectomy for Diverticulitis?
    Choi CS, Koltun WA, Hollenbeak CS, Pennsylvania Society of Colon and Rectal Surgeons, Philadelphia, PA, 1/13/2015
  • Surgical Diverticulitis is Not Associated with Defects in Expression of Wound Healing Genes
    Connelly TM, Berg AS, Harris L, Brinton D, Deiling S, Koltun WA, American Society of Colon and Rectal Surgeons, Hollywood, FL, 1/17/2014
  • A Single Nucleotide Polymorphism in the I14 Gene is Strongly Associated with Susceptibility to Clostridium Difficile Infection in Inflammatory Bowel Disease Patient
    Connelly TM, Koltun WA, Berg AS, Hegarty JP, Harris L, Deiling S, and Stewart DB, Central Surgical Association, Indianapolis, IN, 1/7/2014
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Lectures

  • The Evolving Role of Genetics in the Surgical Management of IBD 
    Carlisle Regional Medical Center, Carlisle, PA - 1/21/2014
  • Surgery Still Better Than Remicade for IBD 
    Cleveland Clinic Florida, Weston, FL - 1/10/2014
  • Is Diverticulitis a Genetic Disease? 
    Barcelona, Spain - 1/25/2014
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Press Mentions

  • Resources for IBD Healthcare Professionals: 2019 Novel Coronavirus (COVID-19)
    Resources for IBD Healthcare Professionals: 2019 Novel Coronavirus (COVID-19)September 23rd, 2020
  • Early Colon Cancer Screening Advised for Some
    Early Colon Cancer Screening Advised for SomeMarch 12th, 2018
  • The Medical Minute: Are You at Increased Risk for Colorectal Cancer?
    The Medical Minute: Are You at Increased Risk for Colorectal Cancer?March 4th, 2017
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Professional Memberships

Hospital Affiliations