John P Kolnik
Gastroenterology
217 White Horse Pike
Haddon Heights, NJ 8035 Directions
4.9 out of 5
660 verified ratings
660 Ratings, 220 Comments
The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy.
Aug 13, 2026
He is kind and considerate, he listens and addresses the issues. I am grateful that he is one of my doctors.
Aug 13, 2026
Dr. Kolnik was great. One of the best doctors I've ever seen. Thank you very much. Bye.
Aug 11, 2026
Dr Kolnik is an excellent doctor. I have been seeing him for several years now and he always takes the time to listen carefully and advise me in terms of medications and diet.
Aug 11, 2026
I've been going to Dr. Kolnik for many years. I will continue. He knows exactly what I need. He treats me with respect. He's funny, great sense of humor and I trust him.
Aug 11, 2026
The doctor and the staff treated me very well with courtesy and respect. The doctor knew my history and that's it. Okay? Take care. Bye.
Aug 10, 2026
Dr. Kolnik , in my opinion, is an excellent doctor. He answered all my questions. He knows my history. His staff is excellent. And I would highly recommend him to family and friends. And I feel very confident with him. Thank you.
Aug 10, 2026
I've been a patient at this office since 1987 and have had colonoscopies every 3-5 years.
Aug 10, 2026
The doctor listened to my problems looked over my records removed a ingrown hair in my belly button and proscribed meds for my boloted stomach and got me ready for my colonoscopy!
Aug 10, 2026
So kind and spent so much time with me was very appreciative that he took me so quickly
Aug 4, 2026
Dr is amazing
Aug 4, 2026
Dr Kolnik and staff are very professional and down to earth. They take their time and are very attentive. I am really happy with this provider!
Aug 4, 2026
Always wonderful care
Aug 4, 2026
Doctor made me very comforable and listened to me when i spoke. Very happy i took my friends advise .
Aug 3, 2026
Dr.Kolnik is a knowledgeable physician. I enjoy my visits and his concern is appreciated.
Aug 3, 2026
Outstanding physician who listens to your issues and concerns!
Jul 31, 2026
This team is amazing. I always feel like the most important patient they've ever seen.
Jul 28, 2026
Very happy with my care and service provided to me.
Jul 17, 2026
Dr Kolnik is amazing. The staff was very respectful and responsive
Jul 16, 2026
Dr is awesome!
Jul 14, 2026
Everyone from the receptionist to Dr Kolnik are always terrific I leave knowing everything I need to know and never feel rushed like he has to get to another patient. If all my doctors' offices ran like this, I would never be able to complain about anything
Jul 10, 2026
I have been treated by Dr John Kolnik for the last 20 years. He is an awesome doctor and knows his stuff.
Jul 7, 2026
Dr. Kolnik is a class act. I trust him with my life. The staff there was also very efficient and professional.
Jul 7, 2026
I have been seeing Dr. Kolnik for over 20 years. I have never had a bad experience with Dr. or his staff. I have recommended him to several of my family members.
Jun 26, 2026
Dr kolnik is the best
Jun 26, 2026
Dr.Kolnik is very efficient and knowledgeable. He has a great bedside manner. He doesn't forget your history from appointment to appointment. He's an asset to virtual!!!
Jun 23, 2026
Dr. Kolnik is, simply put, an amazing physician. He listens and answers questions in a straight forward manner that anyone can understand. While no one looks forward to a visit to a G.I., he all but alleviates the hesitations and anxiety that comes with this type of visit. You need more doctors like Dr. Kolnik!
Jun 23, 2026
Dr John Kolnik is very thorough & knowledgeable about my medical condition
Jun 23, 2026
All was good! I really trust him with my care.
Jun 5, 2026
Everyone at this office is so nice and caring. I feel completely safe and heard when I come to Dr. Kolnik's office. I can't thank them enough for everything they do. It is the office I trust and know will take very good care of me.
May 26, 2026
Dr Kolnik was amazing professional and knowledgeable. I will recommend Dr Kolnik to everyone I know!
May 26, 2026
Dr. Kolnik is very knowledgeable. I think he's an expert in his field. The dialogue we had about my health was very informative. I learned a lot and I trust him wholeheartedly. Thank you.
May 20, 2026
I always speak highly of Dr. Kolnik and his staff. I've been his patient around 25 years and have always received excellent care from his practice.
May 20, 2026
The attention and help everyone gave me made me appreciate the doctors and employees here! They were very helpful and caring!
May 19, 2026
Another excellent visit with Dr Kolnick!
May 18, 2026
Hi, Dr. Kolnik is an extremely patient, compassionate, empathetic doctor. He gives you plenty of time to hear your side and to explain his. He is very caring and a great diagnostician. I would recommend him to anybody. He is a fabulous doctor. Thank you.
May 12, 2026
The doctor was informative. Dr. nurses made me feel comfortable. I trusted the doctor to give me the right care
May 12, 2026
The same great service I've come to expect from this doctor and his staff!
May 12, 2026
Dr. Kolnik is one of my favorite doctors. He has been a blessing to me.
May 11, 2026
i have been going to dr kolnik for 23 yrs. he is the best.
May 11, 2026
Your phone system is awful!!!
May 8, 2026
Dr Kolnik is the best when it comes to treatment. Dr Kolnik nurses assistant is the nicest person you could ever meet.
May 7, 2026
They are very dedicated to making sure I get the right health
May 5, 2026
Just that Dr. Kolnik is fantastic. Hr makes me feel very at ease.?
May 5, 2026
All good
May 5, 2026
Dr Kolnik and staff are the best.
May 1, 2026
Thank you for your care.
May 1, 2026
Love going to this practice. Everyone is always so nice and caring.
May 1, 2026
Dr Kolnik is providing me with excellent care
Apr 30, 2026
I have been a patient of Dr. Kolnik for years. He is the best. He always listens. He never made me feel like a number.
Apr 24, 2026
Love Dr Kolnik and staff!