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Office
710 Oak Commons Blvd
Kissimmee, FL 34741Phone+1 407-846-6747- Is this information wrong?
Education & Training
- National Capital ConsortiumFellowship, Gastroenterology, 1995 - 1997
- VA Caribbean Healthcare SystemResidency, Internal Medicine, 1990 - 1993
- University of Puerto Rico School of MedicineClass of 1990, MD
Certifications & Licensure
- FL State Medical License 1999 - 2025
- American Board of Internal Medicine Gastroenterology
Awards, Honors, & Recognition
- Fellow American College of Gastroenterology ACG
- Alpha Omega Alpha UPR-School of Medicine, 1988
Publications & Presentations
PubMed
- 47 citationsA Randomized Comparison of Methylene Blue-Directed Biopsy Versus Conventional Four-Quadrant Biopsy for the Detection of Intestinal Metaplasia and Dysplasia in Patients...John D. Horwhat, Corinne Maydonovitch, Fernando Ramos, Ramon Colina, Erich M. Gaertner, Hyun Uk Lee, Roy K.H. Wong> ;The American Journal of Gastroenterology. 2008 Mar 1
- 8 citationsUse of methylene blue for detection of specialized intestinal metaplasia in GERD patients presenting for screening upper endoscopy.Marten B. Duncan, J. David Horwhat, Corrinne L. Maydonovitch, Ferdanando Ramos, Ramon Colina, Erich M. Gaertner, Hyun Yang, Roy K. H. Wong> ;Digestive Diseases and Sciences. 2005 Feb 1
Professional Memberships
- Fellow
- Member
- Member
Other Languages
- Spanish
Hospital Affiliations
- Health First Holmes Regional Medical CenterMelbourne, Florida
- Health First Holmes Regional Medical CenterMelbourne, Florida
External Links
- Websitehttp://www.gaofla.com
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