Mariusz J. Klin, M.D., PhD is a Diplomate of American Board of Gastroenterology. Conveniently Located in Gulf Coast Medical Plaza Suite 301. Colon Cancer Screening, Heartburn, Abdominal Pain, Bloating, Colonoscopy, Endoscopy, Nausea, Vomiting, Hepatitis, Diarrhea, Constipation, Anemia, Swallowing Difficulty, Acid Reflux, Liver Diseases, Rectal Bleeding & More. New Patients are always welcomed. Call Today.