Your GI health journey starts here
Board-certified gastroenterologists providing expert diagnosis, endoscopy, and compassionate treatment across Brooklyn.
Quick Resources
Enhancing digestive health through expert care
From heartburn and IBS to IBD and liver disease, our team delivers evidence-based GI care with clear guidance, comfortable procedures, and fast access to results. Same-week appointments often available.
Schedule a Consultation →
Expert evaluation for reflux, abdominal pain, bowel changes, and more.
Open Patient Portal →
Secure access to forms, results, and messages in one place.
Get Urgent Guidance →
Rapid triage for active symptoms; guidance on when to seek emergency care.
View Prep Instructions →
Step-by-step instructions for colonoscopy, EGD, and capsule endoscopy.
Advanced AI-Assisted Colonoscopy
Brooklyn’s Only Private Practice Using GI Genius™ AI Technology
GI Genius™ uses artificial intelligence during colonoscopy to help physicians detect potential polyps in real time, supporting a more thorough exam.
USING VIBRATION-CONTROLLED TRANSIENT ELASTOGRAPHY
iLivTouch
iLivTouch provides a fast, noninvasive assessment of liver stiffness and fat using vibration-controlled transient elastography. It is designed for patients who need a quick liver-health assessment without an invasive procedure.
Empowering patients
About NYGI Docs
Learn about our patient-first approach, experienced providers, and commitment to clear, coordinated digestive care.
By the numbers
At Gastroenterology Associates Of Brooklyn, we are proud to share our impact on the community through healthcare services.
Years serving the community
Patients cared for
Trusted reviews by our community
Locations
Providers
Conditions treated
Dr. Cynthia Quainoo is fantastic. She is friendly (she actually remembers who you are), and her staff make it much easier to deal with tests, pharmacy, etc. Just say yes.
Caravoz C.
Google Reviews
The staff are amazing, including MA’s. My issues and concerns were heard, and the medical staff voiced their opinions on how to treat my ailments. I will recommend this office to anyone that needs a GI doctor. The wait was short and the process was smooth. Highly recommend!
Maxwell L.
Google Reviews
Excellent clinic. Great staff, answered all my questions. Helped me solve all my health issues.
Anna K.
Google Reviews
Great office with great people.
Eduardo K.
Google Reviews


