NYC's Top Gastroenterologists
At NYGA, patients receive expert, patient-centered care using the latest in diagnostic technology. Our board-certified gastroenterologists perform upper endoscopies, formally known as Esophagogastroduodenoscopy (EGD). with precision to accurately identify the cause of symptoms. With convenient NYC locations, streamlined scheduling, and a focus on comfort, NYGA makes it easier to get the answers you need.
What Your Endoscopy Can Reveal
An upper endoscopy (IEGD) allows your physician to examine the esophagus, stomach, and upper small intestine in real time.
GERD / Acid Reflux
Identify inflammation or damage caused by chronic acid reflux.
Stomach ulcers
Detect ulcers and irritation in the stomach lining.
GI bleeding
Locate the source of upper gastrointestinal bleeding.
Celiac disease
Evaluate the small intestine and confirm the diagnosis through biopsy.
Crohn’s disease
Assess inflammation in the upper GI tract to support diagnosis.
Difficulty swallowing
Identify issues contributing to swallowing problems.
What is the preparation for an upper endoscopy?
You will need to fast for eight hours prior to the upper endoscopy. Your doctor will give you detailed dietary instructions.
Ready to start treatment?
Book an AppointmentWhy Patients Choose NYGA
Our board-certified gastroenterologists make it a priority to personally greet you and escort you to the exam room. This intentional, one-on-one introduction creates an immediate sense of trust, respect, and open communication—because we believe strong relationships lead to better care.
We Take the Time
No rushed visits, no generic plans. Every appointment is designed to understand you—your unique symptoms, history, and concerns.
State-of-the-Art Technology
We use advanced diagnostics and leading research to ensure accurate results and deliver the least invasive, most effective care possible.
True Partnership
Our physicians see themselves as your allies, working with you to create treatment strategies that fit your life, not just your diagnosis.
Support at Every Step
From diagnosis through recovery and long-term management, our team ensures you feel seen, heard, and supported at every stage.
Patient-Centered Care
From your first visit, you’ll experience attentive, compassionate care designed around your unique needs.
Expertise You Can Trust
Whether you’re here for a routine colonoscopy, hemorrhoid treatment, or managing complex conditions like Crohn’s disease or ulcerative colitis, you’ll be cared for by experts with years of advanced training and hands-on experience.
The NYGA Difference
Patients choose us because they want more than medical expertise—they want a doctor who listens, a team that cares, and an environment where they feel safe and respected. Our personalized, hands-on approach ensures that your digestive health journey is not just managed, but truly cared for.
Book Your Appointment TodayWhat Our Patients Say
Don't just take our word for it. See what our patients have to say about their experiences at NYGA. We are proud of the positive feedback we receive and strive to exceed your expectations every day.
“Dr. Miller is not only a very highly qualified outstanding doctor, but has so much compassion patience and sensitivity for you as his patient . He has been my gastroenterologist for about fifteen years, and I have recommended him to so many family and friends, and trust him so completely. He genuinely cares about you as well as caring for you . He is truly the best!”
“Competent, caring and swift team of professionals supporting DR Miller. Ty r best experience one could have in this context.”
“Dr Adler has a wonderful bedside manner. His medical advice has always been on point. Shows empathy and care for his patients.”
“A wonderful doctor who carefully listened to my issues and spend all the necessary time with me.”
“I was very pleased with my visit to Dr. Jaffin’s office. His assistant apologized for the wait time which was only 1/2 hour due to their upcoming move in a few days. Dr. Jaffin was very thorough in his questions and listened to my concerns. I was very impressed!”
“Very professional and easy to discuss my situation with him. Doctor Adler explained everything fully and made arrangements for upcoming procedures which I completely agreed to. I look forward to his continued care over the years.”
““I brought my dad in for his colonoscopy and I’m so glad we saw this doctor. Everything was excellent — the care, the communication, all of it. He explained everything clearly and made my dad feel comfortable the whole time. I’d recommend him to anyone.””
“My visit with Dr Naymaygon was very good he advised about my colonoscopy and answered all my questions.”
“Wey professional and organized appointment. On time with good shared information!”
“Dr Desai is very thorough. He is well aware of my case and spent an adequate amount of time examining me. I trust him with my care.”
“Wonderful , friendly nurses who are very helpful. Jessica was amazing as I was very scared and nervous . Dr Miller has been putting up with me since 2007 and I ADORE him. He answers all my annoying questions and he has PATIENCE of a saint❤️🙏😀👍”
“Dr. Miller has been my GI sone 1999 , he has compassionate and caring when was at worst with my health.”
“Dr Jaffin took the time to speak with me and give me all the information I need to prepare for my upcoming procedure.”
“Excellent demeanor, kind; spends good amount of time. Yes, yes, yes!!”
“Terrific office visit. Thorough, caring and not rushed.”
“Always an excellent service..”
Meet Our Physicians
Accepted Insurance
We accept a wide range of insurance plans to help make your care as affordable as possible.
- 1199
- Horizon Blue Cross Blue Shield of New Jersey — PPO plans only
- Aetna
- Magnacare
- Affinity
- Medicare
- Anthem Blue Cross Blue Shield
- Metro Plus
- Cigna
- NYCE PPO (formerly GHI CBP/Anthem BlueCross and BlueShield)
- Emblem Health - HIP
- OSCAR
- Empire NY Government Plan
- Oxford
- Fidelis
- UMR
- Healthfirst
- United Healthcare
If you're not sure whether your insurance is accepted, please call our office. Our staff is happy to check your benefits to help you understand your options.
Schedule an Appointment
Get personalized, expert care tailored to your digestive health needs. Call or Text to be seen today!
In Person Consultations and Telehealth Appointments
Schedule an in-person consultation with one of NYGA's board-certified gastroenterologists at one of our convenient Manhattan or Brooklyn locations or opt for telehealth to receive expert care from home.
Procedures
We perform upper endoscopies and colonoscopies in our three state-of-the-art facilities:
Convenient Locations Across NYC
Get personalized, expert care tailored to your digestive health needs. Call or Text to be seen today!
Brooklyn Heights
Upper West Side
Ocean Parkway
Patients who cannot use stairs may be seen at another location. Call for details.
Midtown
Upper East Side
Upper East Side
Patients who cannot use stairs may be seen at another location. Call for details.