3.7
3 Ratings with 1 written Review
Summary
Dr. Alexandra Guillaume specializes in gastroenterology and internal medicine, bringing two decades of experience to her practice. She earned her medical degree from Tufts University School of Medicine and completed her residency at New York University Medical Center. Her extensive background allows her to provide comprehensive digestive health care alongside general internal medicine services. Dr. Guillaume is fluent in both Spanish and English.
Dr. Guillaume practices at Stony Brook University Hospital in East Setauket and Stony Brook, New York. She focuses on treating conditions such as colon polyps, swallowing difficulties, and acid reflux disease. Her expertise includes performing colonoscopies and other diagnostic procedures to evaluate digestive health concerns. Patients have given her an average rating of 3.7 on Vitals for her care.
Dr. Guillaume practices at Stony Brook University Hospital in East Setauket and Stony Brook, New York. She focuses on treating conditions such as colon polyps, swallowing difficulties, and acid reflux disease. Her expertise includes performing colonoscopies and other diagnostic procedures to evaluate digestive health concerns. Patients have given her an average rating of 3.7 on Vitals for her care.
Overview based on verified provider data
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
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. Alexandra Guillaume has 2 locationsCompare with Similar Doctors
 |  |  |  |
| Dr. Alexandra Guillaume, MD | Dr. Michael Seth Rosman, MD | Dr. Qin Rao, MD | Dr. Connie Park, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 20 Years of Experience | 10 Years of Experience | 12 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English | ||
| East Setauket , NY | NEW YORK , NY | NEW YORK , NY | New York , NY |
| Med School: TUFTS UNIVERSITY SCHOOL OF MEDICINE | Med School: New York University School Of Medicine | Med School: State University of New York | 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
Dr. Alexandra Guillaume holds an active medical license in the state of New York.
Medical License
Medical Doctor with an active medical license in the state of New York that expires in 2026.
Education & Training
Residency
Completed their residency at New York University Medical Center.
Medical School
Graduated from TUFTS UNIVERSITY SCHOOL OF MEDICINE in 2008 and Tufts University School Of Medicine in 2006.
NPI Number
Dr. Guillaume's NPI number is 1396981197.
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Frequently Asked Questions
- What languages does Dr. Alexandra Guillaume speak?
- Dr. Alexandra Guillaume speaks Spanish and English.
- Which hospitals is Dr. Alexandra Guillaume affiliated with?
- Dr. Alexandra Guillaume is affiliated with STONY BROOK UNIVERSITY HOSPITAL.
- Where is Dr. Alexandra Guillaume's office located?
- Dr. Alexandra Guillaume's office is located at 3 Technology Dr, East Setauket, NY, 11733.
- How can I make an appointment with Dr. Alexandra Guillaume?
- You can find contact information for Dr. Alexandra Guillaume here on Vitals.
- Is Dr. Alexandra Guillaume accepting new patients?
- Dr. Alexandra Guillaume has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
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