Dr. John K Corless MD Gastroenterologist

Dr. John Corless is a gastroenterologist in Charleston, South Carolina. He is affiliated with multiple hospitals in the area, including East Cooper Medical Center and Roper Hospital. He received his medical degree from Georgetown University School of Medicine and has been in practice for 33 years. Dr. Corless accepts several types of health insurance, listed below. He is one of 17 doctors at East Cooper Medical Center and one of 25 at Roper Hospital who specialize in Gastroenterology.

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Office Location

See Contact Information

Hospital Affiliation

East Cooper Medical Center

Roper Hospital
High performing in Gastroenterology & GI Surgery

Education & Medical Training

Medical University of South Carolina
Residency, Internal Medicine, 1977 - 1980

Medical College of Georgia
Fellowship, Gastroenterology, 1980 - 1983

Georgetown University School of Medicine
Class of 1977

Certifications & Licensure

American Board of Internal Medicine
Certified in Gastroenterology

American Board of Internal Medicine
Certified in Internal Medicine

SC State Medical License
Active through 2013

Publications & Presentations

Giant ileal inflammatory polyps in Crohn's disease.
Corless, J. K., Tedesco, F. J., Griffin, J. W., Panish, J. K.

Prospective evaluation of hospitalized patients with nonactive lower intestinal bleeding--timing and role of barium enema and colonoscopy.
Tedesco, F. J., Gottfried, E. B., Corless, J. K., Brownstein, R. E.

Normal liver function. A basis for understanding hepatic disease.
Corless, J. K., Middleton, H. M.

See all 4 publications

Insurances Accepted

  • Aetna Choice POS II
  • BCBS Blue Card PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • First Health PPO
  • Great West PPO
  • Health Net California Large Group PPO
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PPO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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