Jonathan Keshishian, MD

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Affiliations
- St. Joseph's Women's Hospital
- St. Joseph's Hospital
- BayCare Medical Group
- St. Joseph's Children's Hospital
- BayCare Physician Partners ACO
- BayCare Physician Partners
- St. Anthony's Hospital
- St. Joseph's Hospital - South
- Carillon Surgery Center
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Board Certifications
- AB Internal Medicine (Gastroenterology)
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Gender
- Male
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Patient Reviews
All reviews have been submitted by patients after seeing this provider. To learn more click here.
Provider Explained Things ClearlyProvider Listened CarefullyProvider Was Easy To UnderstandProvider Knew Medical HistoryProvider Showed RespectProvider Spent Enough TimeRate Your Provider 0-1030 Reviews, 14 Comments2/28/2026 | BayCare Verified PatientAll good2/21/2026 | BayCare Verified PatientAll good2/11/2026 | BayCare Verified PatientVery good12/31/2025 | BayCare Verified PatientDr. Keshishian is the best. I have known him for some time, but was unable to see him because he previously worked at the VA and I am not a veteran. Thankful to have him as my doctor now!12/30/2025 | BayCare Verified PatientHe was lovely
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Doctor Bio
Dr. Jonathan Keshishian is board certified in gastroenterology and is with BayCare Medical Group in Tampa, Florida, where he sees patients age 18 and older. He earned a Doctor of Medicine and completed an internal medicine residency and gastroenterology fellowship from the University of South Florida College of Medicine in Tampa, Florida. Dr. Keshishian’s clinical interests include Barrett’s esophagus ablation and nodule resection, large colon polyp resection, esophageal disorders, and advanced endoscopy with endoscopic retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS). He concentrates his practice on diseases of the esophagus, stomach, small intestine, colon and rectum, pancreas, gallbladder and bile ducts.
An accomplished author, Dr. Keshishian has contributed numerous articles to peer-reviewed publications such as Gastroenterology and Hepatology and the Journal of Clinical Gastroenterology. He’s an active member of his local community, as well as abroad through missions. Dr. Keshishian is affiliated with St. Joseph’s Hospital.
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Languages
- English
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Residency
- University Of South Florida
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Specialties
- Gastroenterology|Internal Medicine
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Education
- University Of South Florida
University Of South Florida
- University Of South Florida