Dr. Peggy Nelson, MD

Dr. Peggy Nelson, MD

Endocrinologist
155 Crystal Run Rd, Middletown, NY
4.83
“Dr. Nelson understood our concerns to be proactive and hopefully avoid complications in the future. She was very informative about the progression of diabetes and it's effect on the kidneys. ”
Manfred Z.February 19, 2026
Highly recommended
90% of patients gave this doctor 5 stars

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Available appointments

What patients are saying

Overall rating

4.83

Average wait time

4.38

Bedside manner

4.84
“Dr. Nelson understood our concerns to be proactive and hopefully avoid complications in the future. She was very informative about the progression of diabetes and it's effect on the kidneys.
Manfred Z.February 19, 2026
“I've been a patient of Dr. Nelson's for the last 7 years. She always takes the time to listen to my concerns and answers my questions honestly. We come up with a plan for my health and care where I feel like my thoughts and opinions are being heard. She's wonderful !”
Jacqueline I.February 5, 2025

About Dr. Peggy Nelson

This provider only sees patients w/ in-network benefits or self-pay. All other bookings are subject to cancellation. Peggy Nelson is an engaged and mindful endocrinologist caring for the Middletown, NY community. Dr. Nelson attended the State University of New York, Downstate Medical Center, where she earned her degree in medicine. She completed her internship and residency in internal medicine at Long Island Jewish Medical Center. She continued her training by completing a fellowship in endocrinology at Michigan State University. Dr. Nelson is a part of Crystal Run Healthcare. She is certified in internal medicine and endocrinology, diabetes, and metabolism by the American Board of Internal Medicine. Dr. Nelson is uncompromising in her dedication to the well-being of her patients. She is committed to giving the best care and establishing long-lasting relationships with them.

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In-network insurances

99% of patients have successfully booked with these insurances
Aetna
BlueCross BlueShield
Cigna
Emblem Health
Medicare
UnitedHealthcare
200+ more in-network plans

Areas of expertise

This doctor's experience enhances their expertise in similar cases. Below are the conditions or surgeries they treat most frequently.
Parathyroid gland disorder
Osteoporosis
Chronic diabetes
Underactive thyroid
Diabetic emergency
Overactive thyroid
Parathyroid gland disorder
Osteoporosis
Chronic diabetes
Underactive thyroid

Office locations

Middletown-155 (1 of 2)
155 Crystal Run Rd, Middletown, NY 10941
Rock Hill (2 of 2)
61 Emerald Pl, Rock Hill, NY 12775
1 of 2

Education and background

Practice names

Board certifications

  • American Board of Internal Medicine
  • Endocrinology, Diabetes & Metabolism (Internal Medicine)

Education and training

  • Medical School - State University of New York, Downstate Medical Center, Doctor of Medicine
  • Long Island Jewish Medical Center, Residency in Internal Medicine
  • Long Island Jewish Medical Center, Internship in Internal Medicine
  • Michigan State University, Fellowship in Endocrinology

Awards and publications

  • Castle Connolly Top Doctor

Languages spoken

  • English

Provider's gender

Female

NPI number

1013000629

Patient reviews

All reviews have been submitted by patients after interacting with the practice.
Overall rating
4.83
Wait time
4.38
Bedside manner
4.84
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206 reviews
Most relevant
Office itself is way too crazy. Signing it and waiting is far too busy. Doctor was great though.
Dr. Nelson continues to be caring and a great communicator. She is helping me manage my health in a productive manner.
Verified patient
I didn't wait long before getting called in. Checked In, sat down and read 4 pages in my book before getting called in.
Verified patient
Great Doctor!! She really cares about her patients. She’s very efficient and has a wonderful bedside manner.
Verified patient
My office visit with Dr. Nelson was productive. She was a listening ear and gave helpful feedback.
Verified patient
Dr. Nelson was very pleasant and explained my situation with clarity and understanding of my hesitancy.
I passed out while giving blood and the nurse and doctor were amazing! Very attentive!
Verified patient
I felt welcomed and that she really was thorough. It was a pleasure to meet her
Verified patient
I found my go to doctor, Dr Nelson was excellent. i highly recommend her.
Verified patient
She was excellent and explaining everything and put me at ease. Wonderful
Verified patient
Dr. Nelson was pleasant and is moving forward is helping my situation.
Courteous, efficient and knowledgeable friendly staff. Good listener.
Verified patient
She was great. Listened to what I have to say and made suggestions.
Verified patient
Very happy with my visit. Dr. Nelson was great! Highly recommend.
Verified patient
Dr. Nelson has a great bedside manner and very professional.
Verified patient
very attentive, and did not leave me with any doubt, super nice
Verified patient
Dr Nelson was thorough unrushed and a avid listener
Verified patient
Good doctor.. Is nice person and very patient with the people
Verified patient
she was very thorough about my condition and very informative
Verified patient
She was very informative and answered all my questions.
Verified patient
Nelson is probably my favorite doctor at crystal run
Verified patient
She was very thorough & explained everything in detail.
Verified patient
Wait time far too long. No follow-up or test results
The office was very clean. Everyone was personable.
Verified patient
Courteous, through, listened to me. Had time for me!
Verified patient
Very nice to me and listened to what I had to say.
Verified patient
Dr. Nelson understood our concerns to be proactive and hopefully avoid complications in the future. She was very informative about the progression of diabetes and it's effect on the kidneys.
Verified patient
I've been a patient of Dr. Nelson's for the last 7 years. She always takes the time to listen to my concerns and answers my questions honestly. We come up with a plan for my health and care where I feel like my thoughts and opinions are being heard. She's wonderful !
Verified patient
Dr. Nelson was very thorough, knowledgeable, and open to hearing all of my concerns. I felt very comfortable, listened to, and taken care of.
Dr. Nelson was friendly, easy to talk to, and seems to care about her patients. I appreciate that she didn’t just take notes and put me on a random list of medications. Her approach was thoughtful
Verified patient
Dr. Nelson is a complete professional. Very helpful with giving me info on my thyroid issues Amazing communication during Covid to make sure I had the proper medications
Verified patient
Highly recommended. Thank you
Verified patient
Friendly, knowledgeable, good listener.
Dr Nelson is an exceptionally thoughtful and thorough doctor. She listens and addresses all of my questions and concerns. I would recommend her to anyone in search of a smart and compassionate endocrinologist.
Verified patient
Love Dr Nelson.
Verified patient
Dr.Nelson was pleasant and informative, this was a follow up appointment and she explained the next process of my treatment clearly.
Very thorough, great listener!
Verified patient
Very attentive to my needs and concerns!
Verified patient
Words cannot describe how wonderful my experience was with Dr.Nelson. She was kind, patient, informative and listened. She took the time to clearly explain my condition and next steps. I am so grateful to have a physician who will be putting my health first. Book your appointment with her. Truly amazing.
Verified patient
Wonderful clear communication about diagnosis, risks to overall health, treatment options and follow up tests to ascertain the best approach. I was very impressed with Dr. Nelson’s ability to make me fully understand my condition.
Verified patient
Dr. Nelson is one of the best doctors I’ve ever visited. She listens and openly communicates and helps you understand the situation. In fact she’s one of the best communicators I’ve come across in the medical field. Her bedside manner is tremendous, she makes you feel like she’s an old friend giving advice. She’s not shy to correct misconceptions or what you have been doing wrong in your diabetes regimen. She has A great way of instilling confidence in her patient and letting you know that she’s on your team and together you will get on track to a healthy life. One of my new favorite people!
Verified patient
This appointment was excellent. Dr. Nelson answered all my questions, was unbothered by my connectivity issue early on, and very helpful in coming up with a treatment plan regarding my new insulin regimen. She is an excellent doctor.
Video visit
Dr. Nelson was extremely friendly and knowledgeable. She explained what I needed to know in a clear and patient manner, and was very professional.
Verified patientVideo visit
Dr. nelson is very good endocrinologist and I highly recommend her. Her office, however is another story. They do not anwser calls or messages. I find that disappointing.
Verified patientVideo visit
She was very thorough and spent time educating me about my condition and the efficacy of proposed diagnostics/treatment for my condition. She took time to answerall my questions.
Verified patient
Dr. Nelson is an incredible physician, she is surrounded by a wonderful staff. She is present, attentive and extremely knowledgeable in her field of medicine. When seeking an endocrinologist, you have found the one you need in Dr. Nelson. Thank you for all that you do for me as a patient.
Verified patient
Very nice and pleasant physician who addresses your concerns with no silent biases. In other words, she is on you side ,- the patient’ s side. She is your advocate. ....
Dr Peggy Nelson is really good! She’s very professional and completely understanding. I really like how she listens and asks all the right questions to help me determine what is best route for my condition. Thank you for your help and patience.
Verified patient
Good doctor
Verified patient
She was amazing and very informative!!!
Frequently asked questions

How soon can I make an appointment with Dr. Peggy Nelson?

Generally, Dr. Peggy Nelson has appointments available on Zocdoc within 1 week. You can see Dr. Nelson's earliest availability on Zocdoc and make an appointment online.

Is Dr. Peggy Nelson accepting new patients?

Dr. Peggy Nelson generally accepts new patients on Zocdoc. You can see Dr. Nelson's earliest availability on Zocdoc and schedule an appointment online.

Does Dr. Peggy Nelson accept my insurance?

Choose your insurance plan to verify if Dr. Nelson is in-network.

Can I make an appointment with Dr. Peggy Nelson online?

Yes, you can make an appointment online with Dr. Nelson using Zocdoc. It’s simple, secure, and free.

What practice does Dr. Peggy Nelson work with?

Where is Dr. Peggy Nelson's office located?

Dr. Peggy Nelson has 2 office locations, including in Middletown and Rock Hill, view full addresses on Dr. Nelson's profile.

Which board certifications does Dr. Peggy Nelson have?

Dr. Peggy Nelson is certified by American Board of Internal Medicine and Endocrinology, Diabetes & Metabolism (Internal Medicine).

What languages does Dr. Peggy Nelson speak?

Dr. Peggy Nelson speaks English.

How do patients rate Dr. Peggy Nelson in reviews?

206 patients have reviewed Dr. Peggy Nelson. The overall rating for this doctor is 4.83/5. They have a 4.84/5 rating for bedside manner and a 4.38/5 rating for wait time. You can read individual reviews and ratings on their profile.

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