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4 Smith Haven MallSuite 203ALake Grove, NY 11755
Overview of Dr. Guillaume
Dr. Alexandra Guillaume is a gastroenterologist in Lake Grove, NY and is affiliated with multiple hospitals in the area, including Stony Brook University Hospital and Northport Veterans Affairs Medical Center. She received her medical degree from Tufts University School of Medicine and has been in practice 20 years. She is one of 60 doctors at Stony Brook University Hospital and one of 40 doctors at Northport Veterans Affairs Medical Center who specialize in Gastroenterology. She has 9 publications and over 100 citings.
Education & Training
Stony Brook Medicine/University HospitalFellowship, Gastroenterology, 2013 - 2016
NYU Grossman School of MedicineResidency, Internal Medicine, 2006 - 2009
Tufts University School of MedicineClass of 2006
Certifications & Licensure
WI State Medical License 2023 - 2027
NY State Medical License 2009 - 2026
American Board of Internal Medicine Gastroenterology
Publications & Presentations
PubMed
- The effect of African ancestry and mismatch-repair enzyme deficiency/microsatellite instability-high on colorectal adenocarcinoma immune gene expression.Dimitri F Joseph, Andrew Fu, Ricardo E Flores, Dev V Sharma, Joseph F LaComb
Frontiers in Gastroenterology. 2025-01-01 - 2 citationsA Quality Improvement Study on Colonoscopy Wait Times in Underinsured Patients Following the COVID-19 Pandemic.Hong Gi Shim, Anuj Gupta, Andrew Fu, Ricardo Flores Jr, Robert Simmons
Clinical and Translational Gastroenterology. 2024-09-01 - Black voices in gastroenterology and hepatology.Joan A Culpepper-Morgan, Alexandra Guillaume, Jeremy Louissaint, Renee Williams
Nature Reviews. Gastroenterology & Hepatology. 2022-09-01
Press Mentions
9 Signs Your “Heartburn” Is Actually AllergiesJune 2nd, 2017
Grant Support
- Disentangling the effect of Black/African Ancestry from confounding variables on colorectal cancer biologySTATE UNIVERSITY NEW YORK STONY BROOK2024–2026
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