What patients are saying
Overall rating
4.89
Average wait time
4.90
Bedside manner
4.93
“I arrived early and was seen immediately. Dr. Chung is clearly knowledgeable, capable and straightforward. She was excellent. Highly recommend. ”
Stephanie K R.March 28, 2026
“Dr. Chung was wonderful! I felt completely at ease bc she is empathetic, a great communicator and made me feel comfortable. Ty Dr. Chung!”
Sima P.Less than 3 months ago
About Dr. Nancy Chung
Dr. Nancy Chung is a board-certified gastroenterologist who graduated from Yale University with a degree in biology. She received her medical degree cum laude from Boston University School of Medicine where she was inducted into Alpha Omega Alpha, the national medical honor society. She completed her internal medicine residency at New York-Presbyterian/Weill Cornell Medical Center and her fellowship in gastroenterology at Albert Einstein-Montefiore Medical Center.
Dr. Chung practices general gastroenterology with a focus on colon cancer screening and prevention, and she treats a wide range of gastrointestinal disorders including GERD, peptic ulcer disease, colon polyps, celiac disease, constipation, liver disease, inflammatory bowel disease, and irritable bowel syndrome.
Prior to joining Vanguard Gastroenterology, Dr. Chung had over a decade of experience caring for patients throughout Westchester and the Bronx; at her former practice her patient satisfaction scores consistently ranked in the top 1%. She is excited to now bring her compassionate and thorough style of care to Manhattan.
She is a member of the American College of Gastroenterology, American Society for Gastrointestinal Endoscopy, and American Gastroenterological Association.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
UnitedHealthcare
UnitedHealthcare Oxford
Office locations
Dr. Nancy Chung, MD also offers online video visits for patients
Vanguard Gastroenterology Northwell Health (1 of 2)
233 Broadway, Ste 2750, New York, NY 10279
Vanguard Gastroenterology Northwell Health (2 of 2)
36 E 31st St, Rm 701, New York, NY 10016
1 of 2
Education and background
Practice names
Hospital affiliations
- NYU Langone Health
Board certifications
- Gastroenterology (Internal Medicine)
Education and training
- Medical School - Boston University, Doctor of Medicine
- NewYork-Presbyterian Hospital / Weill Cornell Medical Center, Residency in Internal Medicine
- Albert Einstein College of Medicine of Yeshiva University, Montefiore Medical Center, Fellowship in Gastroenterology
Languages spoken
- English
Provider's gender
Female
NPI number
1598923542
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.89
Wait time
4.90
Bedside manner
4.93
Your trust is our top concern, so providers can't pay to alter or remove reviews. We also don't publish reviews that contain any private patient health information. Learn more here
965 reviews
Most relevant
Highly recommend this dr and practice. Great bedside manner & answered questions that i had without any judgement.
Less than 3 months agoInitials hidden
Doctor Chung listened to my concerns and took into consideration what I wanted and made me feel at ease.
Less than 6 months agoInitials hidden
Dr Chung was pleasant thorough knowledgeable and immediately put me at ease. After my appointment she had my confidence.
April 30, 2025Jon M. A.Verified patient
Dr. Chang was the best! She listened to my concerns attentively and explained things clearly. A great experience
July 4, 2025Adriana T.Verified patient
Dr. Chung is so sweet, she makes you feel so comfortable and heard. She is also clearly a professional who knows her stuff.
January 22, 2025Evelyn H.Verified patient
Great 1st appointment.
Dr. Chung, was a good listener and attentive to my needs. She sets clear expectations moving forward.
October 15, 2024Rebecca K.Verified patient
Dr. Chung was very knowledgeable of my condition. She made me feel comfortable, she was friendly and I was seen right away.
November 11, 2024Sheerina J.Verified patient
Dr Cheung is lovely and sweet however wasn't very helpful with diagnosing the problem and providing a solution
May 20, 2025Initials hidden
Clear communicator and great listener. Dr. Chung did everything in her power to make me feel comfortable. Highly recommend
October 30, 2024Wayne L.Verified patient
This was my first visit at Dr. Chung. She is professional. a great listener and asks questions in depth..
June 11, 2025Initials hidden
Don't hesitate to book with Dr Chung. I couldn't have asked for a more informed, empowered, and successful 1st colonoscopy!
September 14, 2024Carolyn C.Verified patient
Ver personable, balanced in approach (clearly highlighting benefits and risks of procedure), felt like good advice
January 9, 2025Manuela T.Verified patient
Today I had a great experience! The staff was friendly and super efficient, and the same can be said for Doctor Chung.
August 13, 2024Initials hidden
I have maybe never felt so comfortable and at ease and listened to in a doctor’s office in my life !!
More than 1 year agoInitials hidden
Dr Chung took the time to listen. Although a large office I didn’t feel rushed or just a number.
May 6, 2025Jessica B.Verified patient
Wonderful doctor! Kind, listens, validates, and is thorough with examinations. She cares and she knows her stuff.
June 18, 2024Raizy K.Verified patient
Dr. Chung spent a lot of time going over the pros and cons of various tests. Very thorough. Highly recommend!
September 18, 2024Anna U.Verified patient
Great doctor, excellent bedside manner and makes me feel very comfortable. Thank you!
August 28, 2025Christopher M.Verified patient
Clean place, good service, I liked Dr. Nancy's attitude towards the patient.
November 24, 2025Shakhobiddin K.Verified patient
The best doctor! She made me feel comfortable and understood. There was no wait time and the staff was very professional.
May 16, 2023Emily T.Verified patient
Dr. Chung is friendly, thorough and takes the time necessary to explain her thought process. Strongly recommend.
March 18, 2024Randall B.Verified patient
Dr. Chung was patient, kind, and very clear in communicating her suggested next steps. I’m very happy I chose to see her!
More than 1 year agoInitials hidden
I was seen right away. The doctor clearly explained the next steps, possible steps, and other scenarios. No complaints
December 28, 2022David A.Verified patient
Loved my experience! Dr. Chaung was amazing, informative and really answered all my questions!
More than 1 year agoInitials hidden
Dr. Chung explained everything that i needed to know about my condition. She answered all my questions and concrrns.
March 8, 2023Carol A.Verified patient
Dr. Chung was nothing short of amazing. She was patient, attentive, articulate, and kind. Would highly recommend her.
More than 1 year agoInitials hidden
Dr.Chung is great her bedside manners and clear communication skills are fantastic. Her staff are also very friendly.
June 14, 2022Reyna D.Verified patient
Dr. Chung is awesome, even after moving to Brooklyn I make the trek to Manhattan just to see her!
September 5, 2024Initials hidden
Wonderful, efficient and nice office. Dr. Chung was fantastic and addressed all of my concerns. Highly recommend!
More than 1 year agoInitials hidden
Dr. Chung was extremely pleasant, competent, and attentive. I have already recommended her to someone else.
April 20, 2023Initials hidden
It was a great appointment. Timely, concise. Doctor listened and was honest. staff was friendly abd efficient.
January 21, 2022Lynn F.Verified patient
She made sure I felt comfortable. Very kinds doctor. Reception was also very nice and friendly
May 24, 2024Steven N.Verified patient
Dr. Chung explained everything in detail and asked me several times if I had questions. Great experience!
More than 1 year agoKathleen D.Verified patient
I felt so comfortable, and she fell the test, too. My husband went to Dr. Nancy Chung. I am relieved.
September 12, 2023Yvette W.Verified patient
Dr Chung and her staff were extremely welcoming and clear on what was going to happen every step of the way.
August 22, 2022Initials hidden
Great experience,
Doctor Chung was explained everything in details.
I highly recommend her.
Romina
December 6, 2023Romina M.Verified patient
Dr. Chung is patient and caring. I'm not an English speaker but she was very understanding and engaging.
November 1, 2022Initials hidden
Great bedside manner. Caring and thorough. Great experience.
October 9, 2025joseph S.Verified patient
Everything was as good as it could have been. And the downtown office location is incredible.
March 13, 2024Christopher F.Verified patient
great experience, Dr. Chung was fantastic. listened and was very professional. highly recommend!
More than 1 year agoInitials hidden
Dr. Chung was patient with me and seemed to genuinely care for my well being. Thank you Dr. Chung.
More than 1 year agoInitials hidden
Doctor was Super friendly and understanding. Made sure I was comfortable before proceeding with anything.
February 28, 2022Guillermo U.Verified patient
Dr. Chung was great. She was thoughtful and caring. I felt very comfortable from the start.
July 12, 2023Levette E.Verified patient
Dr. Chung is kind, knowledgeable, and efficient. Highly recommend her!
March 12, 2025Monica L.Verified patient
Dr. Chung was very helpful. She listened to all my needs. I didnt feel rushed. I will return to her.
More than 1 year agoTG
Dr Nancy was great, she let me ask all the questions I had, and explained everything in detail!
July 19, 2022Ohyoon O.Verified patient
I love her. She gives me peace and is very knowledgeable
July 8, 2025Initials hidden
Great experience! Felt listened to and had many options explained to me.
More than 1 year agoInitials hidden
Dr. Chung is knowledgeable, patient and kind. The office staff is as well.
August 29, 2024Elizabeth L.Verified patient
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How soon can I make an appointment with Dr. Nancy Chung?
Generally, Dr. Nancy Chung has appointments available on Zocdoc within 1 week. You can see Dr. Chung's earliest availability on Zocdoc and make an appointment online.
Is Dr. Nancy Chung accepting new patients?
Dr. Nancy Chung generally accepts new patients on Zocdoc. You can see Dr. Chung's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Nancy Chung accept my insurance?
Choose your insurance plan to verify if Dr. Chung is in-network.
Can I make an appointment with Dr. Nancy Chung online?
Yes, you can make an appointment online with Dr. Chung using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Nancy Chung affiliated with?
Dr. Nancy Chung is affiliated with NYU Langone Health.
What practice does Dr. Nancy Chung work with?
Where is Dr. Nancy Chung's office located?
Dr. Nancy Chung has 3 office locations, including in Smyrna and New York, view full addresses on Dr. Chung's profile.
Which board certifications does Dr. Nancy Chung have?
Dr. Nancy Chung is certified by Gastroenterology (Internal Medicine).
What are common reasons for patients to see Dr. Nancy Chung?
Dr. Nancy Chung frequently sees patients for Abdominal Pain, Colon Cancer Screening, Colonoscopy, Diarrhea, and Gastroenterology Consultation. You can see other visit reasons for Dr. Nancy Chung on their profile.
What languages does Dr. Nancy Chung speak?
Dr. Nancy Chung speaks English.
How do patients rate Dr. Nancy Chung in reviews?
965 patients have reviewed Dr. Nancy Chung. The overall rating for this doctor is 4.89/5. They have a 4.93/5 rating for bedside manner and a 4.9/5 rating for wait time. You can read individual reviews and ratings on their profile.