Dr. Xiwu (John) Sun, MD
Pulmonary
Janus Park
7250 Janus Park Dr.
Liverpool, NY 13088 Directions
4.8 out of 5
437 verified ratings
437 Ratings, 125 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.
Apr 13, 2026
very good
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 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.
Dec 31, 2025
Dr,SUN,is the Best
Dec 29, 2025
he is a great and caring
Dec 19, 2025
He seems competent and friendly. Hard to have an opinion of someone you never met.
Dec 19, 2025
My appointment was on time Dr son was very thorough. Answered my questions.
Dec 18, 2025
None needed, very satisfied
Dec 10, 2025
Dr. Sun explained any question and was very friendly and genuine.
Dec 9, 2025
Very personable
Dec 8, 2025
Positive experience but then again I have no pressing issues or concerns
Dec 5, 2025
Excellent in explaining what future procedures that I may need.
Dec 4, 2025
A very good listener,kind with a fantastic smile!
Nov 25, 2025
Excellent manner!
Nov 25, 2025
Very good doctor. Explains my diagnosis very easy to understand. The nurse was very kind and listen to my issues.
Nov 24, 2025
All is good no issues
Nov 24, 2025
From husband: I appreciate Dr. Sun's compassionate approach to my wife who has Alzhimer's Disease, and also I appreciate his teaching of me and our daughter.
Nov 19, 2025
Nice guy
Nov 19, 2025
I always get treated extremely well that’s very important!
Nov 19, 2025
I am happy to be a patient of Dr. Sun.