3.7
3 Ratings with 1 written Review
Summary
Dr. Alexandra Guillaume is a gastroenterologist with expertise in internal medicine who has been practicing for two decades. She earned her medical degree from Tufts University School of Medicine and completed her residency at New York University Medical Center. Dr. Guillaume speaks both English and Spanish, allowing her to serve a diverse patient population.
Dr. Guillaume practices at Stony Brook University Hospital in East Setauket and Stony Brook, New York. She specializes in treating digestive concerns including abdominal pain, gas, and bloating issues. Her procedural expertise includes performing colonoscopies, esophagus tests, and lower GI endoscopy to diagnose and treat gastrointestinal conditions. Patients have given her an average rating of 3.7 on Vitals.
Dr. Guillaume practices at Stony Brook University Hospital in East Setauket and Stony Brook, New York. She specializes in treating digestive concerns including abdominal pain, gas, and bloating issues. Her procedural expertise includes performing colonoscopies, esophagus tests, and lower GI endoscopy to diagnose and treat gastrointestinal conditions. Patients have given her an average rating of 3.7 on Vitals.
Overview based on verified provider data
Quick Facts
- 20 years of experience
- speaks English, Spanish
- New York University Medical Center
- 1 written review
- 2 specialties
- 9 areas of expertise
- 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 | Ji Soo Choi, APRN | Dr. Michael Dann, MD | Dr. Daniel Perl, MD |
| Gastroenterology | Gastroenterology | Gastroenterology | Gastroenterology |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 20 Years of Experience | 22 Years of Experience | 11 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | Speaks English |
| East Setauket , NY | Sacramento , CA | New York , NY | New York , NY |
| Med School: TUFTS UNIVERSITY SCHOOL OF MEDICINE | Med School: New York University | Med School: State University of New York | Med School: Icahn School Of Medicine At Mount Sinai |
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
- 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.
- 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.
- Where is Dr. Alexandra Guillaume's office located?
- Dr. Alexandra Guillaume's office is located at 3 Technology Dr, East Setauket, NY, 11733.
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