What patients are saying
Overall rating
4.88
Average wait time
4.58
Bedside manner
4.90
“Dr. Kavaler was excellent, and I would definitely recommend him to anyone who needs a gastroenterologist. ”
Initials hiddenLess than 1 month agoVideo visit
“Dr. Kavaler was very clear in describing the procedure. He was very patience answering my questions. He was able to fit in his schedule even though he was fully booked. The staff was very friendly and professional. I would recommend this office to anyone.”
Nasry J.January 3, 2026
About Dr. Leon Kavaler
Dr. Leon Kavaler is Board Certified in Gastroenterology and earned his Doctor of Medicine from the State University of New York, Upstate Medical University. He is currently affiliated with Mount Sinai Hospital in New York and is a member of the American Society of Gastrointestinal Endoscopy.
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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
Areas of expertise
This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Upper GI endoscopy
Acid reflux
Irritable Bowel Syndrome (IBS)
Acute gastrointestinal bleeding
Colonoscopy
Upper GI endoscopy
Acid reflux
Irritable Bowel Syndrome (IBS)
Acute gastrointestinal bleeding
Office location
Dr. Leon Kavaler, MD also offers online video visits for patients
Education and background
Practice names
Board certifications
- Gastroenterology (American Board of Internal Medicine)
Education and training
- Medical School - State University of New York, Upstate Medical University, Doctor of Medicine
Awards and publications
- Castle Connolly Top Doctor
Languages spoken
- English
Provider's gender
Male
NPI number
1720015837
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.88
Wait time
4.58
Bedside manner
4.90
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
323 reviews
Most relevant
Dr. Kavaler was excellent, and I would definitely recommend him to anyone who needs a gastroenterologist.
Less than 1 month agoInitials hiddenVideo visit
Incredibly knowledgeable; efficient and walked through all my options; Dr. Kavaler’s staff was very helpful and friendly
January 31, 2025Initials hidden
He makes you comfortable and might ask you to do some tests to be sure you're healthy. Very professional and lovely!
March 23, 2024Jessica H.Verified patient
He’s kool and understanding. Got straight to the point. Clean environment. Friendly staff.
Less than 1 year agoInitials hidden
I loved Dr. Kavaler. Very personable and professional at the same time. Everything you could want in a gastroenterologist.
More than 1 year agoInitials hidden
Such a helpful and informative doctor! It was a pleasure to speak with someone that genuinely cares about your well being.
March 31, 2019Kelsey W.Verified patient
Great. Personable, helpful, provided excellent insight reasons for and against treatment and various treatment options.
March 13, 2019Lawrence E.Verified patient
Very comfortable setting. Family is welcomed. Will refer my friends and family. See you in 5 years for my revisit.
July 14, 2011PP
Dr.Kavaler is an amazing doctor,very kind.
Listening to what you have to say and explain everything you need to know.
July 29, 2017Tom L.Verified patient
Great doctor! Friendly, professional, and informative. Really glad I had my procedure with him. Highly recommend.
More than 1 year agoLisa K.Verified patient
Very knowledgeable, great bedside manner, puts patient at ease, answers questions clearly.
September 5, 2024Larry L.Verified patient
Dr, Kavaler has a very reassuring personality, lets the patient. feel they are dealing with a seasoned specialist.
More than 1 year agoInitials hidden
I've seen Dr. Kavaler a number of times and I am always impressed with this abilities, professionalism and caring.
October 21, 2015Barbara F.Verified patient
He was fabulous. He spent a great deal of time with me going over my history and what I can expect going forward.
May 6, 2016Jamie W.Verified patient
He was super friendly and explained everything he would do to discover and help me with my issues. He was great.
September 28, 2012Initials hidden
Awesome doctor and staff! Felt at ease and he answered my concerns/questions! I would definitely recommend him!
More than 1 year agoHortensia C.Verified patient
Dr. Kavaler is extremely professional and very willing to answer questions. Overall, a very good experience.
August 27, 2016George G.Verified patient
Willing to listen, proactively aggressive and does what doctors are meant to do - "teach" their patients.
More than 1 year agoInitials hidden
Thorough, knowledgable, communicative and organized. Everything you would want out of a doctor.
More than 1 year agoYevgeny Y.Verified patientVideo visit
Great experience. Felt like the doctor took his time with me, was seen on time.
June 24, 2024Jacqueline M.Verified patient
video visit lasted approximately 10 minutes
fast & efficient
Less than 1 year agoInitials hiddenVideo visit
For a first visit and consult, I found Dr. Kavaler to be attentive and responsive, friendly and kind.
More than 1 year agoInitials hidden
It was a great experience. I look forward to working with him to find the cause of my discomfort.
November 9, 2013Kristine S.Verified patient
Very nice and friendly doctor, he seems be knowledgeable, i would definitely recommend him.
July 25, 2022Felix A.Verified patient
Patient, clear and focus in what had to be done to understand my problem.
August 20, 2024Initials hidden
Amazing doctor whom I have known for >20 yrs. Happy I found him again.
October 1, 2024E Giannin P.Verified patient
Really good at explaining things in a way I could digest. Highly recommend!
June 8, 2024Regan W.Verified patientVideo visit
Great guy, treats you like an intelligent being capable of having input on your own healthcare.
More than 1 year agoJonathan P.Verified patient
Wonderful bedside manner, informative and always made me feel comfortable to ask questions.
More than 1 year agoInitials hidden
Great doctor. Personable and caring. I travel from Brooklyn to see him on a regular basis.
January 26, 2015Joshua C.Verified patient
My visit was excellent. Dr Kavaler answered every question I had. He also put me at ease.
More than 1 year agoSamantha D.Verified patient
Great doctor, very caring, doesn't look to get rid of you in a flash like most doctors
March 25, 2014Initials hidden
The doctor explained everything fully and i did not feel rushed at all
More than 1 year agoInitials hidden
The doctor was very personable. I would definitely recommend him!!
February 3, 2024Initials hidden
Excellent physician - full command of the facts, professional, thorough, and kind.
More than 1 year agoAdam F.Verified patient
Really liked how thorough he was and that he took time to explain everything.
August 18, 2017Michael D.Verified patient
Dr. Kavaler is a warm, caring, well informed doctor. I highly recommend him!
October 9, 2017Initials hidden
Dr. Kavaler was very personable and gave great advice. Highly recommended!
June 26, 2015Dan S.Verified patient
Dr. Kavaler was great, and I got an appointment last minute, same day.
More than 1 year agoInitials hidden
Thorough, knowledgeable and looking forward to the next appointment.
November 27, 2013Chen M.Verified patient
Probably one of the funniest down to earth doctors I have ever met
August 18, 2017Anthony M.Verified patient
Dr. Kavaler is personable, listens and his office is great.
More than 1 year agoInitials hidden
Excellent physician, book your appointment without hesitation.
June 17, 2021Miranda D.Verified patientVideo visit
Good visit. Doctor fit endoscope in that day. Will be returning.
September 12, 2012Initials hidden
Very professional, down to earth, and made me feel at ease.
February 7, 2013Folake W.Verified patient
Dr. Kavaler is very smart, focused and highly personable.
March 4, 2015Initials hidden
Dr. Kavaler is excellent and would highly recommend him.
July 24, 2015Amy K.Verified patient
Dr. Kavaler was very clear in describing the procedure. He was very patience answering my questions. He was able to fit in his schedule even though he was fully booked. The staff was very friendly and professional. I would recommend this office to anyone.
January 3, 2026Nasry J.Verified patient
This is always the best doctor experience. The staff is kind and diligent the doctors are superb, and so caring. You can’t have a better experience.
December 16, 2025Jesse A.Verified patient
I can't recommend Dr. Kavaler highly enough! He is not only incredibly knowledgeable and thorough, but also genuinely kind. Unlike many doctors I've seen in the past, Dr. Kavaler took the time to explain everything in detail, making sure I understood all of my options.
Proceeding by elimination, he never once pushed for unnecessary procedures or surgery, which gave me confidence in his integrity and expertise. He listened attentively, answered every question I had and made me feel like a partner in my care. The team he works with at the endoscopy center is incredibly kind as well!
I feel really lucky to have found him!
July 2, 2025Stella S.Verified patient
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How soon can I make an appointment with Dr. Leon Kavaler?
Generally, Dr. Leon Kavaler has appointments available on Zocdoc within 1 week. You can see Dr. Kavaler's earliest availability on Zocdoc and make an appointment online.
Is Dr. Leon Kavaler accepting new patients?
Dr. Leon Kavaler generally accepts new patients on Zocdoc. You can see Dr. Kavaler's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Leon Kavaler accept my insurance?
Choose your insurance plan to verify if Dr. Kavaler is in-network.
Can I make an appointment with Dr. Leon Kavaler online?
Yes, you can make an appointment online with Dr. Kavaler using Zocdoc. It’s simple, secure, and free.
What practice does Dr. Leon Kavaler work with?
Dr. Leon Kavaler works with New York Gastroenterology Associates.
Where is Dr. Leon Kavaler's office located?
Dr. Leon Kavaler has 3 office locations, including in New York and Greenwich, view full addresses on Dr. Kavaler's profile.
Which board certifications does Dr. Leon Kavaler have?
Dr. Leon Kavaler is certified by Gastroenterology (American Board of Internal Medicine).
What are common reasons for patients to see Dr. Leon Kavaler?
Dr. Leon Kavaler frequently sees patients for Abdominal Pain, Colonoscopy, Diarrhea, Gastroenterology Consultation, and Hemorrhoids. You can see other visit reasons for Dr. Leon Kavaler on their profile.
What languages does Dr. Leon Kavaler speak?
Dr. Leon Kavaler speaks English.
How do patients rate Dr. Leon Kavaler in reviews?
323 patients have reviewed Dr. Leon Kavaler. The overall rating for this doctor is 4.88/5. They have a 4.9/5 rating for bedside manner and a 4.58/5 rating for wait time. You can read individual reviews and ratings on their profile.