What patients are saying
Overall rating
4.76
Average wait time
4.65
Bedside manner
4.93
“I am so glad I switched providers and choose Dr. Diaz. She spent a lot of time w/me. She asked questions, recorded information and listened attentively. I feel confident after the appointment and meeting her, that I am in secure hands. I would surely recommend her to my friends and family. ”
Lulinda L.August 18, 2025
“Dr. Kelly Diaz...
Was Great. Very Knowledgeable and Understanding. She explained my options along with her best option.”
Lee H.April 15, 2025
About Dr. Kelly Diaz
If you need to cancel your appointment within 24 hours of the scheduled time, please call the office.
Dr. Kelly Diaz joined Mount Sinai as a Gastroenterologist in 2023. After completing her undergraduate studies at Yale University, Dr. Diaz earned her medical degree from Columbia University College of Physicians and Surgeons. She then completed her residency in Internal Medicine at The Mount Sinai Hospital, followed by a fellowship in Gastroenterology at the University of Virginia. With her board certification by the American Board of Internal Medicine in Gastroenterology, Dr. Diaz specializes in general gastroenterology, upper endoscopies, and colonoscopies.
In addition to her clinical role, she is a member of the American College of Gastroenterology.
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In-network insurances
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Aetna
Cigna
Emblem Health
Medicare
UnitedHealthcare
UnitedHealthcare Oxford
Office location
Dr. Kelly Diaz, MD also offers online video visits for patients
Education and background
Practice names
Hospital affiliations
- The Mount Sinai Hospital
- The Mount Sinai Hospital, Queens
Board certifications
- American Board of Internal Medicine
- Gastroenterology (American Board of Internal Medicine)
Education and training
- Medical School - Columbia University Vagelos College of Physicians and Surgeons, Doctor of Medicine
- Icahn School of Medicine at Mount Sinai, Residency in Internal Medicine
- University of Virginia School of Medicine, Fellowship in Gastroenterology
Professional memberships
- American College of Gastroenterology
Languages spoken
- English
Provider's gender
Female
NPI number
1740712017
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.76
Wait time
4.65
Bedside manner
4.93
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
62 reviews
Most relevant
Dr. Kelly Diaz...
Was Great. Very Knowledgeable and Understanding. She explained my options along with her best option.
April 15, 2025Lee H.Verified patient
The doctor was really nice, a great listener, and very attentive to my needs.
November 20, 2025Sylvia S.Verified patient
Dr. Diaz is very knowledgeable, friendly ,professional , caring
October 9, 2025Al U.Verified patient
Very prompt and thorough. I was very pleased with my care.
Less than 1 year agoInitials hidden
Thankful to find this doctor. I would recommend her
April 8, 2025Jeanne B.Verified patient
I am so glad I switched providers and choose Dr. Diaz. She spent a lot of time w/me. She asked questions, recorded information and listened attentively. I feel confident after the appointment and meeting her, that I am in secure hands. I would surely recommend her to my friends and family.
August 18, 2025Lulinda L.Verified patient
Dr. Diaz listened to my concerns and problem and came up with a plan that we both agreed upon and I look forward to my next appointment with her.
February 18, 2025Leo D.Verified patient
Felt more transactional and rote than boutique.
December 17, 2024Nick D.Verified patient
Dr. Diaz listened, evaluated, and provided a course of action to find a solution. Well informed and easy to talk to. I'd recommend.
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December 31, 2025Tara I.Verified patient
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How soon can I make an appointment with Dr. Kelly Diaz?
Generally, Dr. Kelly Diaz has appointments available on Zocdoc within 1 week. You can see Dr. Diaz's earliest availability on Zocdoc and make an appointment online.
Is Dr. Kelly Diaz accepting new patients?
Dr. Kelly Diaz generally accepts new patients on Zocdoc. You can see Dr. Diaz's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Kelly Diaz accept my insurance?
Choose your insurance plan to verify if Dr. Diaz is in-network.
Can I make an appointment with Dr. Kelly Diaz online?
Yes, you can make an appointment online with Dr. Diaz using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Kelly Diaz affiliated with?
Dr. Kelly Diaz is affiliated with The Mount Sinai Hospital and The Mount Sinai Hospital, Queens.
What practice does Dr. Kelly Diaz work with?
Dr. Kelly Diaz works with MOUNT SINAI SCARSDALE.
Where is Dr. Kelly Diaz's office located?
Dr. Kelly Diaz has 2 office locations, including in Scarsdale and Hartsdale, view full addresses on Dr. Diaz's profile.
Which board certifications does Dr. Kelly Diaz have?
Dr. Kelly Diaz is certified by American Board of Internal Medicine and Gastroenterology (American Board of Internal Medicine).
What are common reasons for patients to see Dr. Kelly Diaz?
Dr. Kelly Diaz frequently sees patients for Colon Cancer Screening, Diarrhea, Gastroenterology Consultation, Hemorrhoids, and Illness. You can see other visit reasons for Dr. Kelly Diaz on their profile.
What languages does Dr. Kelly Diaz speak?
Dr. Kelly Diaz speaks English.
How do patients rate Dr. Kelly Diaz in reviews?
62 patients have reviewed Dr. Kelly Diaz. The overall rating for this doctor is 4.76/5. They have a 4.93/5 rating for bedside manner and a 4.65/5 rating for wait time. You can read individual reviews and ratings on their profile.