Personal Information

Dr. Carl Colton will begin his practice at Charlotte Harbor Gastroenterology on June 1, 2021. Please call the office to schedule an appointment with Dr. Colton.

Carl G. Colton, M.D. graduated with Honors from Johns Hopkins University with a Bachelor of Arts degree as a Natural Sciences Area Major, then went on to earn his medical degree at The State University of New York at Buffalo School of Medicine, earning various Honors including Honors in one of his eventual fields of study – Internal Medicine. Following graduation from medical school Dr. Colton completed a three year residency in Internal Medicine at University Hospitals of Cleveland, Case Western Reserve University, where he was honored with the Cecil Award for the resident with the most comprehensive fund of knowledge in Internal Medicine.

Because Dr. Colton desired to serve his country, he then entered active duty service for four years as a physician in the United States Air Force at Ellsworth Air Force Base in South Dakota during the Iraq Gulf War, Operation Desert Storm and Desert Shield. During his service Dr. Colton was Chief of Internal Medicine, caring for the pilots of the long range nuclear B1B bombers and officers manning the long range nuclear missile silos. He achieved the rank of Major and was awarded the Air Force Commendation Medal for Meritorious Service and the National Defense Service Medal.

After serving in the U.S. Air Force Dr. Colton returned to University Hospitals of Cleveland, Case Western Reserve University to complete a fellowship in the subspecialty of Gastroenterology. He spent most of his gastroenterology career in Lancaster, Pennsylvania. He and his wife, Marie, are excited about living in Florida, and Dr. Colton considers it a privilege to provide comprehensive care for his patients as a physician at Florida Digestive Health Specialists.

Medical Society Memberships

  • American College of Physicians
  • American Gastroenterological Association
  • American College of Gastroenterology
  • American Society for Gastrointestinal Endoscopy

Dr. Colton routinely performs:

  • Esophagogastroduodenoscopy with biopsy, dilation, banding, and control of bleeding
  • Percutaneous Endoscopic Gastrostomy (PEG) tube
  • Colonoscopy and biopsy, polypectomy and control of bleeding
  • Paracentesis
  • Liver biopsy
  • Esophageal manometry interpretation
  • PH study interpretation
  • Bravo ph probe placement


  • Scored in top 10-20% of all gastroenterologists nationally on Gastroenterology Board Examinations in 1995, 2005, 2015

Degrees & Qualifications

  • Gastroenterology Fellowship: University Hospitals of Cleveland, Case Western Reserve University
  • Internal Medicine Residency: University Hospitals of Cleveland, Case Western Reserve University
  • Medical School: The State University of New York at Buffalo School of Medicine
  • Undergraduate Degree: The Johns Hopkins University
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