What patients are saying
Overall rating
4.83
Average wait time
4.88
Bedside manner
4.92
“I found the office to be clean. The staff very friendly. I was seen within 15 minutes of my appointment. The doctor had great bedside manners.”
Lori T.February 4, 2026
“Dr. Dicker has a great bedside manner and immediately put me at ease. He is very thorough and listened to my concerns. He addressed my problem and helped to resolve my issue.”
Doreen K.January 13, 2026
About Dr. Mordecai A Dicker
Dr. Dicker earned his Doctor of Medicine from NYU Grossman School of Medicine. He completed his internship, residency, and fellowship at NYC Health + Hospitals / Bellevue. Outside of his professional commitments, Dr. Dicker enjoys spending time and traveling with his wife, five children, and two sons-in-law. He also enjoys skiing, playing tennis and golf, reading books on number theory and arithmetic, and engaging in Talmudic studies.
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In-network insurances
99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
Medicare
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.
Acid reflux
Irritable Bowel Syndrome (IBS)
Chronic Inflammatory Bowel Disease (IBD)
Upper GI endoscopy
Colonoscopy
Acute gastrointestinal bleeding
Acid reflux
Irritable Bowel Syndrome (IBS)
Chronic Inflammatory Bowel Disease (IBD)
Upper GI endoscopy
Office location
Dr. Mordecai A Dicker, MD also offers online video visits for patients
NORTH SHORE GASTROENTEROLOGY ASSOCIATES, P.C.
233 E Shore Rd, Ste 101, Great Neck, NY 11023
Education and background
Practice names
Hospital affiliations
- North Shore University Hospital
- St. Francis Hospital
Board certifications
- Gastroenterology (American Board of Internal Medicine)
Education and training
- Medical School - NYU Grossman School of Medicine, Doctor of Medicine
- NYC Health + Hospitals / Bellevue. (Residency)
- NYC Health + Hospitals / Bellevue. (Internship)
- NYC Health + Hospitals / Bellevue. (Fellowship)
- Queens College, City University of New York (Bachelor's)
Awards and publications
- Castle Connolly Top Doctor
- Charles S. Colden Award
- Castle Connolly Top Doctors, 2023
- New York Magazine Top Doctors, 2023
Languages spoken
- English
Provider's gender
Male
NPI number
1437169117
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.83
Wait time
4.88
Bedside manner
4.92
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
58 reviews
Most relevant
Through timely visit. Dr. Dicker addressed all conserns.
February 26, 2026Jerry G.Verified patient
Yes, I have been going to this office for years.
Always satisfying experience
February 23, 2025Zygmunt J.Verified patient
Dr. Dicker is very knowledgeable and attentive. He explains procedures throughly.
September 6, 2024Yejee P.Verified patient
I found the office to be clean. The staff very friendly. I was seen within 15 minutes of my appointment. The doctor had great bedside manners.
February 4, 2026Lori T.Verified patient
Dr. Dicker has a great bedside manner and immediately put me at ease. He is very thorough and listened to my concerns. He addressed my problem and helped to resolve my issue.
January 13, 2026Doreen K.Verified patient
My experience was great. I’m always early for any doctor appointments. I was expecting a wait but was taken early. That is very rare. I felt very comfortable with the doctor and staff. I would recommend this practice. One of the main reasons for going to this practice is that colonoscopies and endoscopies are performed at the office.
October 18, 2025Susan A.Verified patient
Great doctor
September 17, 2025baskim D.Verified patient
Dr. Dicker was extremely professional and made you feel at ease right away. He addressed all of my concerns and made sure I left knowing what to expect.
July 21, 2025Betty C.Verified patient
Where do I start? Wow, impressive all around, I was a bit down so I appreciated the loving care. I came in frazzled, a warm and calm woman greeted me with such patience, so I was able to get everything done for the visit; forward to it, I met the medical assistant Serena, had to ask her name as she was also genuinely caring and efficient. Dr. Mordekai, love the name, a gentleman and a true professional. I was diagnosed with breast cancer, today was my actual 14th year cancer free. I came in frazzled because of my distended stomach , fatigue and of course some worries. Dr. M just got it all figured out with a couple of suggestions/ testing etc, no panic, an amazing listener, I did not felt rushed or looked at as I’m annoying or crazy with my fears. I felt reassured! That’s what a doctor is to me!!! I left with a smile and went through the most seamless appointment for testing procedures, on my way out. Guess what ? Yet another amazing assistant and I was on my way home peacefully!
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How soon can I make an appointment with Dr. Mordecai A Dicker?
Generally, Dr. Mordecai A Dicker has appointments available on Zocdoc within 1 week. You can see Dr. Dicker's earliest availability on Zocdoc and make an appointment online.
Is Dr. Mordecai A Dicker accepting new patients?
Dr. Mordecai A Dicker generally accepts new patients on Zocdoc. You can see Dr. Dicker's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Mordecai A Dicker accept my insurance?
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Can I make an appointment with Dr. Mordecai A Dicker online?
Yes, you can make an appointment online with Dr. Dicker using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Mordecai A Dicker affiliated with?
Dr. Mordecai A Dicker is affiliated with North Shore University Hospital and St. Francis Hospital.
What practice does Dr. Mordecai A Dicker work with?
Where is Dr. Mordecai A Dicker's office located?
Dr. Mordecai A Dicker has 2 office locations in Great Neck, view full addresses on Dr. Dicker's profile.
Which board certifications does Dr. Mordecai A Dicker have?
Dr. Mordecai A Dicker is certified by Gastroenterology (American Board of Internal Medicine).
What are common reasons for patients to see Dr. Mordecai A Dicker?
Dr. Mordecai A Dicker frequently sees patients for Abdominal Pain, Colonoscopy, Diarrhea, Gastroenterology Consultation, and Hemorrhoids. You can see other visit reasons for Dr. Mordecai A Dicker on their profile.
What languages does Dr. Mordecai A Dicker speak?
Dr. Mordecai A Dicker speaks English.
How do patients rate Dr. Mordecai A Dicker in reviews?
58 patients have reviewed Dr. Mordecai A Dicker. The overall rating for this doctor is 4.83/5. They have a 4.92/5 rating for bedside manner and a 4.88/5 rating for wait time. You can read individual reviews and ratings on their profile.