What patients are saying
Overall rating
4.65
Average wait time
4.68
Bedside manner
4.66
“I appreciated her listening to my concerns, she did a straightforward but thorough assessment for my first visit + annual physical.”
Joyce P.January 24, 2026
“i am a new, first time patient. the office staff was efficient and friendly. Dr Peterson was attentive.”
Initials hiddenJanuary 17, 2026
About Dr. Keri Peterson
**There is a 24-hour cancellation policy.**
Dr. Keri Peterson obtained her bachelor's degree from Cornell University and earned her Doctor of Medicine from the Icahn School of Medicine at Mount Sinai. She completed her internship and residency in Internal Medicine at The Mount Sinai Hospital.
Dr. Peterson holds appointments at Lenox Hill Hospital and Mount Sinai Medical Center. She is a member of the American College of Physicians and the American Medical Association.
With a demonstrated commitment to the advancement of medicine, Dr. Peterson has several publications in leading medical and scientific journals and has presented at distinguished medical symposiums.
Dr. Peterson is a medical contributor and columnist for Women's Health Magazine. A frequent media spokesperson, she has appeared on The Today Show, The Rachael Ray Show, Dr. Oz, The Dr. Steve Show, PIX11 News, Fox 5 News, The Tyra Banks Show, Good Morning America, America's Newsroom, America's News HQ, Neil Cavuto, CNN American Morning, and Nancy Grace. Additionally, she serves as a medical advisor for the healthcare website Healthination.com.
Dr. Peterson is committed to providing the highest quality of diagnosis, care, and treatment to each of her patients. She takes pride in getting to know her patients and developing a relationship of trust and service.
She has received specialized training and certification for cosmetic procedures utilizing Botox, Kybella, dermal fillers, and chemical peels.
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Office location
Education and background
Practice names
Hospital affiliations
- Lenox Hill Hospital
- The Mount Sinai Hospital
Education and training
- Medical School - Icahn School of Medicine at Mount Sinai, Doctor of Medicine
- The Mount Sinai Hospital (Internship)
- The Mount Sinai Hospital (Residency)
Professional memberships
- American College of Physicians
Awards and publications
- Sexy Ever After: Intimacy Post Cancer. Anyone who has been diagnosed with cancer knows that there is an endless amount of information available about different types of cancer, symptoms, tests, treatments, side effects and even how cancer can affect sexual performance. What you may not find is information on how you can overcome post-cancer side effects and be on your way to heightened intimacy and mind-blowing sex--that is, until now. Sexy Ever After: Intimacy Post-Cancer offers a healthy understanding of the impact cancer has on your ability to be intimate and show you that it is possible to enjoy sex again, despite the obstacles.
- What Doctors Eat. What Doctors Eat brings together the collective dietary wisdom of 65 leading physicians and health experts including Dr. Keri Peterson.
- Dunn, A., K. Peterson, C. Schecter, P. Rabito, A. Gotlin, L. Smith. “The Utility of an In-Hospital Observation Period After Discontinuing Intravenous Antibiotics.” The American Journal Of Medicine. 106:6-10, 1999
Languages spoken
- English
Provider's gender
Female
NPI number
1336119866
Patient reviews
All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.65
Wait time
4.68
Bedside manner
4.66
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
804 reviews
Most relevant
Very good doctor. Heard me patiently and explained to me everything i wanted to know. Highly recommend her to everyone.
September 11, 2025Aditya G.Verified patient
i am a new, first time patient. the office staff was efficient and friendly. Dr Peterson was attentive.
January 17, 2026Initials hidden
I am so happy to have Dr. Keri Petersen as my primary doctor again. She is quite thorough, very professional and nice.
June 15, 2025Diana M C.Verified patient
Dr Peterson was very attentive with a good bedside manner. She listened to me and was thorough in her examination.
May 29, 2025Initials hidden
Dr Peterson is wonderful! She was extremely patient, addressed all of my concerns and goes above and beyond for her patients!
May 22, 2024Chelsea B.Verified patient
Amazing experience. Very thoughtful and thorough. Answered all my questions.
December 5, 2025Initials hidden
I felt unheard and judged. The signs all over the office for Botox were very off putting., especially as she is an internist
More than 1 year agoNicole T.Verified patient
She was very thorough and very professional. I would highly recommend her and her practice. Very clean and welcoming office.
More than 1 year agoInitials hidden
Was a very smooth visit. Very efficient and covered everything I wanted.
September 3, 2025David C.Verified patient
Dr. Keri Peterson was very knowledgable about my test results and had good reccomendations on how to approch my ailments.
August 21, 2017Noel B.Verified patient
Dr. Peterson was friendly and took her time getting to know me. I am happy to have found her as my physician. Thank You!
March 22, 2017Dawn L.Verified patient
Very nice and professional doctor. Shows a lot of care.
January 13, 2026Bronislawa S.Verified patient
Thought she was terrific explained things and was very complete in her exam. I was very happy to have her as my doctor
April 4, 2017Steven F.Verified patient
Dr Peterson herself is a true professional and her staff is courteous and efficient. I highly recommend this office.
More than 1 year agoJudith O.Verified patient
Dr. Peterson is a great provider! She listens to her patients, performs thorough exams, and is very knowledgeable!
More than 1 year agoInitials hidden
Dr. Peterson was great. She was quick, professional and very thorough. I will absolutely be going back to her again!
May 5, 2017Bailey H.Verified patient
Loved office visit with
Dr. Keri Peterson - friendly and knowledgeable. Highly recommend
July 24, 2024Eleonora Y.Verified patient
She is a great Dr, knowledgeable , caring ,patient and truly listens to her patients. I highly recommend her.
January 22, 2019Maya D.Verified patient
Dr. Petersen was friendly and attentive. She made me feel comfortable and relaxed, listened to all my concerns.
June 9, 2017Vanita V.Verified patient
Dr Peterson is very knowledgeable I have been going to her for over a decade and I trust her completely!
May 24, 2022Samantha L.Verified patient
This is the second time I have seen her and I was pretty disappointed. I left more confused than I went in.
January 29, 2014Initials hidden
Dr. Peterson is a thoughtful caring doctor. I would definitely recommend her. And her staff are super.
May 10, 2020Jeannie U.Verified patient
Very quick, professional. The staff was very friendly, and Dr. Peterson was professional and amicable.
More than 1 year agoInitials hidden
It was a pretty routine pre-op check-up so not much to report. Everybody was very professional efficient.
December 4, 2012Initials hidden
Friendly, thorough, good communicator when calling with blood work results. Highly recommend!
May 16, 2023Initials hidden
Not to be cheesy; but everything about her is sweet, pleasant, and accurate. Can't wait to see her again
August 15, 2012Monique C.Verified patient
I was extremely impressed by the professionalism and friendliness of Dr. Peterson and the office staff.
January 9, 2017Robert B.Verified patient
I saw some reviews about her personality, but I liked her. She was very nice and also very quick.
February 25, 2016Tanji G.Verified patient
She is fantastic. She explained everything and I am so happy she was able to talk me as a new patient.
April 4, 2013Initials hidden
She seemed very knowledgeable but was not the warmest doctor I've ever met. Will continue to see her.
June 1, 2017Initials hidden
Thorough, efficient and willing to take the time to explain what I needed to know. Glad I found her.
December 28, 2012Paula W.Verified patient
Dr. Peterson is efficient, has great bedside manner and a wonderful internist. Highly recommended.
More than 1 year agoKatherine B.Verified patient
I did not wait at all and I was there 25 min earlier. It was quick and professional!
March 13, 2023Sara R.Verified patient
Great bedside manner. Unfortunately I live in Queens and the commute is too far for me.
November 19, 2014Oswald P.Verified patient
Staff was friendly, facility was well kept, Keri was very friendly. I'd go back!
October 2, 2013Initials hidden
She took plenty of time with me- it didn’t feel rushed like it does with other doctors.
More than 1 year agoStephanie E.Verified patient
Dr. Peterson was friendly and direct. I liked her and will definitely be coming back.
May 15, 2017Libby S.Verified patient
Dr Keri is warm and personable. She is great and answered all my questions with ease.
More than 1 year agoAnika H.Verified patient
Great experience. She is kind but tells it like it is. You are seen right away.
September 20, 2022Sergio G.Verified patient
She made me feel extremely comfortable ! Would recommend to anyone.
-Christine
July 17, 2013Initials hidden
Dr. Peterson and staff are excellent, highly recommended, and very professional.
More than 1 year agoInitials hidden
I've been going to Dr. Peterson for 12 years and hope to go for another 20!
July 23, 2022Bonnie B.Verified patient
Slightly cold at first, but warmed up after some conversation. Nice & caring doc
March 15, 2013Saman S.Verified patient
She is very smart and friendly. Makes you feel at ease and communicates well.
February 3, 2021Jesus N.Verified patient
Keri is awesome, she was funny, professional, and I would definitely go back.
March 21, 2014Heidi E.Verified patient
Dr. Peterson and her team are amazing. Highly recommend this practice.
June 24, 2016Priscilla G.Verified patient
Dr. Peterson was attentive, friendly and responsive. Highly recommend!
April 9, 2014Initials hidden
She's a great doctor, no wait time and very willing to answer questions
More than 1 year agoInitials hidden
Great! Very personable, efficient and thorough. Highly recommended.
More than 1 year agoKatherine B.Verified patient
Highly recommended, very knowledgeable, personable, and eager to help.
October 11, 2011Daniel M.Verified patient
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How soon can I make an appointment with Dr. Keri Peterson?
Generally, Dr. Keri Peterson has appointments available on Zocdoc within 1 week. You can see Dr. Peterson's earliest availability on Zocdoc and make an appointment online.
Is Dr. Keri Peterson accepting new patients?
Dr. Keri Peterson generally accepts new patients on Zocdoc. You can see Dr. Peterson's earliest availability on Zocdoc and schedule an appointment online.
Does Dr. Keri Peterson accept my insurance?
Choose your insurance plan to verify if Dr. Peterson is in-network.
Can I make an appointment with Dr. Keri Peterson online?
Yes, you can make an appointment online with Dr. Peterson using Zocdoc. It’s simple, secure, and free.
Which hospital is Dr. Keri Peterson affiliated with?
Dr. Keri Peterson is affiliated with Lenox Hill Hospital and The Mount Sinai Hospital.
What practice does Dr. Keri Peterson work with?
Dr. Keri Peterson works with Keri Peterson, MD PC.
Where is Dr. Keri Peterson's office located?
Dr. Keri Peterson's office is located at 150 E 58th St, New York, NY 10155.
What are common reasons for patients to see Dr. Keri Peterson?
Dr. Keri Peterson frequently sees patients for Annual Physical, Arthritis, Chiropractic Consultation, Sleep Problems, and Weight Loss Consultation. You can see other visit reasons for Dr. Keri Peterson on their profile.
What languages does Dr. Keri Peterson speak?
Dr. Keri Peterson speaks English.
How do patients rate Dr. Keri Peterson in reviews?
804 patients have reviewed Dr. Keri Peterson. The overall rating for this doctor is 4.65/5. They have a 4.66/5 rating for bedside manner and a 4.68/5 rating for wait time. You can read individual reviews and ratings on their profile.