Gastroenterology
Denise Harnois, DO
Professor of Medicine
Jacksonville, FL
Dr. Denise M. Harnois, DO, is a Professor of Medicine at Mayo Clinic in Jacksonville, Florida, specializing in transplant hepatology, gastroenterology, and hepatology. She primarily treats complex liver conditions including hepatobiliary malignancy, primary sclerosing cholangitis, primary biliary cholangitis, cholestatic liver diseases, viral hepatitides, and end-stage liver disease requiring transplantation. As part of Mayo Clinic's Liver Transplant Program, Hepatobiliary Clinic, and Gastro
35+
Years in Practice
Credentials
Board Certifications
- Gastroenterology (ABIM)
- Transplant Hepatology (ABIM)
Education & Training
- Medical School: Philadelphia College of Osteopathic Medicine (DO, 1990)
- Residency: Thomas Jefferson University Hospital (Internal Medicine, 1994)
- Fellowship: Mayo Clinic (Gastroenterology, 1997)
- Fellowship: Mayo Clinic (Transplant Hepatology, 1998)
Peer Recognition
- Healthgrades — Healthgrades Honor Roll
- Healthgrades — William C. and Helen H. Darrah Award, Awarded for scholastic excellence - Gettysburg College, 1984
- Healthgrades — Young Alumni Achievement Award, Awarded for professional achievement - Gettysburg College, 1999
- Healthgrades — 2006 ASGE Endoscopic Research & Outcomes & Effectiveness Award - American Society for Gastrointestinal Endoscopy, 2006
- Healthgrades — Best Poster Presentation - American Society for Gastrointestinal Endoscopy, Young Investigators' Conference, 1998
Clinical Focus
Subspecialties
Hepatology (GI)
Conditions & Treatments
Hepatology
Practice Details
Hospital Affiliations
- Mayo Clinic
- Mayo Clinic Florida
Languages
English
Experience
35+ years in practice