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Office
1411 Medical Pkwy
Ste 200
Cedar Park, TX 78613Phone+1 512-341-0900Fax+1 512-341-2895
Education & Training
- University of Miami/Jackson Health SystemFellowship, Gastroenterology, 1997 - 2000
- University of Miami/Jackson Health SystemResidency, Internal Medicine, 1994 - 1997
- Cayetano Heredia UniversityClass of 1992
Certifications & Licensure
- TX State Medical License 2001 - 2026
- NM State Medical License 2013 - 2016
- FL State Medical License 1998 - 2013
- AL State Medical License 1997 - 1998
- American Board of Internal Medicine Gastroenterology
- American Board of Internal Medicine Transplant Hepatology
Publications & Presentations
PubMed
- 46 citationsObscure gastrointestinal bleeding: diagnostic and therapeutic approach.Ronald Concha, Rafael Amaro, Jamie S. Barkin
Journal of Clinical Gastroenterology. 2007-03-01 - 15 citationsAcquired hyperplastic gastric polyps in solid organ transplant patients.Rafael Amaro, Guy W. Neff, Umaprasanna S Karnam, Andreas G. Tzakis, Jeffrey B. Raskin
The American Journal of Gastroenterology. 2002-09-01 - 83 citationsPreliminary observation with dronabinol in patients with intractable pruritus secondary to cholestatic liver diseaseGuy W. Neff, Christopher B. O'Brien, K. Rajender Reddy, Nora V. Bergasa, Arie Regev
The American Journal of Gastroenterology. 2002-08-01
Professional Memberships
- Member
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