Our Providers

John C. Avanzato, MD

EducationSUNY at Buffalo, Buffalo, New York InternshipBronx Municipal Hospital Center/Albert Einstein College of Medicine, Bronx, NY FellowshipMontefiore Medical Center, Bronx, NY Board CertificationsBoard Certified, American Boards of Gastroenterology and Internal Medicine SpecialtyGastroenterology
Location(s)Auburn Gastroenterology at Auburn
Auburn Gastroenterology at Seneca Falls


Dr. Avanzato was born in the Bronx, New York.  He received his BS in Biology, Summa Cum Laude, from Fordham University.  Thereafter, he attended the SUNY University at Buffalo School of Medicine.  He then went to the Bronx Municipal Hospital Center where he completed his internship and residency.  He spent his last year there as a Chief resident before going into a Gastroenterology Fellowship at Montefiore Medical Center. 

Until most recently, he was a founding member of Finger Lakes Gastroenterology in Geneva, NY.

Dr. Avanzato is proficient in diagnostic and therapeutic colonoscopy and upper endoscopy as well as consultative gastroenterology and hepatology. 

His wife Cheryl of 28 years is a practicing radiologist at Newark Wayne Hospital in Newark, NY.   They have three boys 25, 23, and 21. 

Dr. Avanzato had many and varied interests and hobbies but his lifelong passion has been to write novels.  He has published four to date:  Hostile Hospital, Prescription for Disaster, Temperature Rising and Claim Denied best categorized as medical thrillers.


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