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The Best Reproductive Endocrinologists in The World

What is a Reproductive Endocrinologist?
Dr. Isaac E. Sasson, M.D., Ph.D.

Dr. Isaac E. Sasson, M.D., Ph.D.

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
133 reviews

Latest Rating

First, I can not thank Dr. Sasson, and his amazing staff (Jamie & Lisa) enough! My husband and I had been trying to have our first child for more than 2 years. Fro... Read more

Dr. Shvetha M. Zarek

Dr. Shvetha M. Zarek

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
72 reviews

Latest Rating

My husband and I chose SIRM for our fertility journey based on a referral and their great reputation. We were definitely not disappointed! I have never been to a fr... Read more

Dr. Nigel Pereira

Dr. Nigel Pereira

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
71 reviews

Latest Rating

I had an excellent experience with Dr. Pereira, he was extremely helpful, informative and prompt during my visits with him. Overall, I had a wonderful experience w... Read more

Dr. Joseph E. Pena

Dr. Joseph E. Pena

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
323 reviews

Latest Rating

I did not know much about infertility and IVF/FET. Dr. Pena is very knowledgeable and explained everything so I would understand it. Everyone in his office was ama... Read more

Dr. Marc A. Fritz

Dr. Marc A. Fritz

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
88 reviews

Latest Rating

Dr. Fritz is my hero! And his staff and the whole UNC Fertility team are rockstars. I was told by another doctor that there was ‘no hope for me’. Me and my husband t... Read more

Dr. Arthur J. Castelbaum

Dr. Arthur J. Castelbaum

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
101 reviews

Latest Rating

Dr. Castelbaum was wonderful during our consultation appointment. He made us feel at ease and was very reassuring about the process. We are looking forward to workin... Read more

Dr. Molina B. Dayal

Dr. Molina B. Dayal

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
124 reviews

Latest Rating

Dr. Dayal is an excellent physician. She impressed us the moment we met her. She greeted us in the waiting room and spent a lot of time with us during our initial co... Read more

Dr. Walid A. Saleh

Dr. Walid A. Saleh

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
207 reviews

Latest Rating

We saw doctor saleh back on 2016, we have been trying to get pregnant for almost 13 years. But a friend of mine referred me to him. So after two surgeries that I nee... Read more

Dr. Matthew A. Lederman

Dr. Matthew A. Lederman

71 reviews

Latest Rating

I am so grateful to Dr. Lederman. Dr. Lederman and his staff of nurses are so kind and patient and responsive to all questions. I highly recommend Dr. Lederman and R... Read more

Dr. Millie A. Behera

Dr. Millie A. Behera

Outstanding Staff Badge
World Class Punctuality Badge
Exceptionally Helpful Badge
Highly Knowledgeable Badge
106 reviews

Latest Rating

Dr. Behera is truly incredible! Going through the process of trying to get pregnant is such an emotional journey but Dr. Behera and the whole Bloom team really made ... Read more



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