Dr. Xiwu (John) Sun, MD
Pulmonary
Janus Park
7250 Janus Park Dr.
Liverpool, NY 13088 Directions
4.8 out of 5
434 verified ratings
434 Ratings, 124 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.
May 29, 2026
Extremely competent physician with a friendly and caring disposition. As with every visit, I come away feeling very satisfied with the care given.
May 28, 2026
Love to do virtual appt when it’s for a check in or for results.
May 20, 2026
He is a great doctor very caring and nice to talk too you understand what he is talking about
May 18, 2026
I have seen over the last 3 years and he has very helpful with my care.
May 14, 2026
Knowledgeable and experienced people who have been involved in this office.
May 12, 2026
All in all-very good experience
May 8, 2026
My visit was very good with the person helping me with my testing. The staff was all very good. The nurse was awesome and the doctor was great as always. How would I like going there and I really like the fact that they take the time to explain things to me thank you.
May 8, 2026
Satisfied and love the compliments and encouragement.
Apr 27, 2026
Got everything done without a huge wait. Professional, knowledgeable, listened well.
Apr 24, 2026
Dr. Sun was a very professional, kind & he explained everything to my understanding! Very Pleased !
Apr 22, 2026
Nothing further to add
Apr 21, 2026
Very professional And informative Concerning my health
Apr 17, 2026
Awesome
Apr 13, 2026
very good
Apr 8, 2026
My appointment was even earlier, went very well.
Apr 7, 2026
Would never want to change anything about Dr Sun he's caring and gets test done fast. He really wants to keep on top of your illness. Dr.Sun is the best.
Mar 26, 2026
My visit went well. I left feeling that my concerns were addressed.
Mar 24, 2026
Lane explained everything to me.
Mar 23, 2026
Dr explained things so I could understand. I felt very confident with his diagnosis.
Mar 23, 2026
Dr sun is caring and efficient I am very pleased with my treatment!
Mar 19, 2026
Really appreciated his sincerity!
Mar 16, 2026
Doctor Sun was very nice doctor and I was pleased with his care.
Mar 16, 2026
Efficiently run office with pleasant staff from front desk personnel to check out. Physician very pleasant and knowledgeable.
Mar 16, 2026
Thank you, all
Mar 9, 2026
Very pleasant and listens to you
Mar 5, 2026
I like it there
Mar 3, 2026
very professional and polite always takes time to be up front and honest about my care and treatment.
Mar 2, 2026
It is nice to be treated with kindness and compassion.
Feb 20, 2026
I would just like to say thank you to his whole staff for such care they give to their patient
Feb 20, 2026
He wanted to issue me new meds and push me out the door
Feb 18, 2026
Respiratory therapist whose name starts with "D" was exceptionally kind and helpful.
Feb 17, 2026
Overall very knowledgeable and listened.
Feb 17, 2026
Dr. Sun has always been prompt, thorough and understanding. I highly recommend him.
Feb 11, 2026
THe Nursing Assistant was very attentive and nice
Feb 9, 2026
Good news or bad news..I have no complaints..
Feb 9, 2026
Excellent communication!
Feb 2, 2026
He asked for my concerns, explained his thoughts and made a plan that works for me
Jan 29, 2026
I feel very comfortable with Dr. Sin and have the utmost confidence in his medical skills
Jan 23, 2026
Very nice doctor, very professional
Jan 20, 2026
I appreciated his optimism & attentiveness.
Jan 20, 2026
Everything was great
Jan 19, 2026
He was straight forward, spoke in layman's terms, was clear in his expectations of me as a patient and most of all respected my point of view. He was willing to listen an had already looked at my file before the appt.
Jan 19, 2026
DR who really cares about his
Jan 19, 2026
Very good and I'm very grateful for him for taking care of my health problem and finding my cancer in a early stage.
Jan 15, 2026
I needed answers from 3 other doctors and he was the only one who has an idea what’s wrong with me .. A+
Jan 12, 2026
Great Doctor who cares
Jan 12, 2026
Well taken care of
Jan 12, 2026
Dr. Sun cares and he's always willing to discuss options at length. He's honest and straightforward about my condition and what will make me feel better. He's busy, I know, but he tries to give me as much as he can and I like him a lot.
Jan 2, 2026
I always enjoy his insight and time!
Jan 2, 2026
Dr. Sun explained how vital it is to use the C-pap machine after surgery as it aids in recovery as I did not always feel like using the machine after surgery.