Dr. Walter A Koltun MD Surgeon

Dr. Walter Koltun is a surgeon in Hershey, Pennsylvania and is affiliated with Penn State Milton S. Hershey Medical Center. He received his medical degree from Harvard Medical School and has been in practice for 33 years. Dr. Koltun accepts several types of health insurance, listed below. He is one of 31 doctors at Penn State Milton S. Hershey Medical Center who specialize in Surgery.

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Office Location

See Contact Information

Specialty & Clinical Interests

Surgeon: General Surgery

Clinical Interests: Ibd, Rectal Cancer, Colon Cancer, Diverticulitis

Education & Medical Training

Brigham and Women's Hospital
Residency, General Surgery, 1981 - 1990

Lahey Clinic
Fellowship, Colon and Rectal Surgery, 1990 - 1991

Harvard Medical School
Class of 1981

Certifications & Licensure

American Board of Internal Medicine
Certified 8 years in Internal Medicine

American Board of Internal Medicine
Certified 4 years in Cardiovascular Disease

American Board of Internal Medicine
Certified 3 years in Interventional Cardiology

AZ State Medical License
Active through 2014

Awards, Honors & Recognition

Fellow(FASCRS), American Society of Colon and Rectal Surgeons

Publications & Presentations

T-cell activation Rho GTPase-activating protein expression varies with inflammation location and severity in Crohn's disease.
Connelly, T. M.,Berg, A. S.,Harris, L. R.,Hegarty, J. P.,Ruggiero, F. M.,Deiling, S. M.,Brinton, D. L.,Koltun, W. A.

The Cancer "Fear" in IBD Patients: Is It Still REAL?
Connelly, T. M.,Koltun, W. A.

A Single Nucleotide Polymorphism in the STAT5 Gene Favors Colonic as Opposed to Small-Bowel Inflammation in Crohn's Disease.
Connelly, T. M.,Koltun, W. A.,Berg, A. S.,Hegarty, J. P.,Brinton, D.,Deiling, S.,Poritz, L. S.,Stewart, D. B.

See all 96 publications

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • BCBS North Carolina BlueOptions PPO
  • CIGNA Open Access
  • First Health PPO
  • Great West PPO
  • Humana ChoiceCare Network PPO
  • Lifewise Health Plan of Oregon
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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