3.7
3 Ratings with 1 written Review
Summary
Dr. Alexandra Guillaume is a gastroenterologist and internal medicine physician who earned her medical degree from Tufts University School of Medicine. She completed her residency at New York University Medical Center and brings two decades of experience to her practice. Dr. Guillaume is fluent in both Spanish and English.
Dr. Guillaume practices at Stony Brook University Hospital and maintains locations in East Setauket and Stony Brook, New York. She specializes in treating conditions such as colon polyps, swallowing difficulties, and acid reflux. Her expertise includes performing colonoscopies and lower gastrointestinal procedures to diagnose and treat digestive health concerns. Patients rate Dr. Guillaume 3.7 out of 5 stars on average.
Dr. Guillaume practices at Stony Brook University Hospital and maintains locations in East Setauket and Stony Brook, New York. She specializes in treating conditions such as colon polyps, swallowing difficulties, and acid reflux. Her expertise includes performing colonoscopies and lower gastrointestinal procedures to diagnose and treat digestive health concerns. Patients rate Dr. Guillaume 3.7 out of 5 stars on average.
AI-generated from data on this provider profile.
Quick Facts
- 20 years of experience
- speaks Spanish, English
- New York University Medical Center
- 1 written review
- 2 specialties
- 9 areas of expertise
- 2 board certifications
- 1 hospital affiliation
- 2 office locations
- Female
Office Locations
Dr. Alexandra Guillaume has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Alexandra Guillaume, MD | Rebecca Humphries, APRN | Dr. Mikhail Yakubov, MD | Dr. Connie Park, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 20 Years of Experience | |||
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English | Speaks English, Russian, Hebrew | Speaks English |
| East Setauket , NY | SACRAMENTO , CA | NEW YORK , NY | New York , NY |
| Med School: TUFTS UNIVERSITY SCHOOL OF MEDICINE | Med School: Emory University | Med School: American University Of The Caribbean School Of Medicine | Med School: State University of New York |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. Alexandra Guillaume
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. Alexandra Guillaume has the following 2 specialties
Specialty Expertise
Dr. Alexandra Guillaume has the following 9 areas of expertise
Certifications, License, & Education
20 Years Experience
MEDICAL LICENSE
Medical Doctor, New York, 2026, Active
EDUCATION & TRAINING
Residency
New York University Medical Center
Medical School
TUFTS UNIVERSITY SCHOOL OF MEDICINEGraduated in 2008
Tufts University School Of MedicineGraduated in 2006
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Frequently Asked Questions
- Where is Dr. Alexandra Guillaume's office located?
- Dr. Alexandra Guillaume's office is located at 3 Technology Dr, East Setauket, NY, 11733.
- Does Dr. Alexandra Guillaume accept my insurance?
- You can see the insurance plans that Dr. Alexandra Guillaume accepts on their Vitals profile.
- Does Dr. Alexandra Guillaume accept virtual/telehealth appointments?
- Dr. Alexandra Guillaume has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. Alexandra Guillaume affiliated with?
- Dr. Alexandra Guillaume is affiliated with STONY BROOK UNIVERSITY HOSPITAL.
- How can I make an appointment with Dr. Alexandra Guillaume?
- You can find contact information for Dr. Alexandra Guillaume here on Vitals.
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