Dr. David Kreiner

We had an IVF with Dr Kreiner sixteen year ago, everything was successful and i'm beyond thankful to Dr.Kreiner and his staff for being part of such a wonderful gift in our lives.

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Love Dr. Kreiner!

I can’t even begin to describe how amazing this office is. From the moment you check in with the receptionists, to the medical assistants, to the office staff and of course the physicians my experience has been nothing short of incredible. I feel so cared for. Lab results were reported within hours. Appointments were timely. As someone going through something terrible and seeking help with something so personal, feeling comfortable is key. I’d never go anywhere else and would refer anyone seeking fertility help to go here. Dr. Kreiner is outstanding. I have nothing but the best things to say about this whole office. Thank you for everything you guys do! I can’t even begin to describe how amazing this office is. From the moment you check in with the receptionists, to the medical assistants, to the office staff and of course the physicians my experience has been nothing short of incredible. … More

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People there are so nice and welcoming.

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This provider made this an amazing stress less experience.

Such an incredibly kind, comforting, relaxing, and reassuring Physician. I literally felt at home.

The office was so organized and relaxing! And dr. Kreiner took his time with me and he made me feel hopeful and comfortable! I’m so mad I didn’t find this office sooner!

Excellent Doctor, he is very knowledgeable and the best at this. Staff very courteous and caring. Definitely recommend his office. If you want to get pregnant- he is your guy.

Dr Kreiner is an amazing doctor. I’m so blessed to have my miracle son because of him and God. Did IVF and was successful at the age of 40. Love this doctor and can’t thank him enough!!!!

Dr. Kreiner and the staff at RMAIVF ( Melville) are amazing to say the least!!!! He is straight forward and upfront, but kind and humorous. His treatment plan was on point and offered me success on the first try. All of the staff are so welcoming and supportive! They make the early morning appointments and regular bloodwork less tedious, especially Rebecca and Pat!! God bless them! I would recommend this location to ANYONE! Fertility treatment can be taxing physically and emotionally, but the support staff and treatment team are there with you every step of the way. I have never been to a doctor's office where EVERYONE was pleasant, accommodating, and showed compassion for what they do. Thank you Melville RMAIVF for making my fertility experience so pleasant. Dr. Kreiner and the staff at RMAIVF ( Melville) are amazing to say the least!!!! He is straight forward and upfront, but kind and humorous. His treatment plan was on point and offered me success on the first try. All of the staff are so … More

My experience as Dr. Kreiner's patient and a patient of RMA was really perfect. Dr. Kreiner is phenomenal (personable, extremely knowledgeable and very experienced, understanding, confident, punctual, etc.). The office staff are so pleasant and attentive, and nurses were always helpful. It's rare to have a completely smooth experience like this at a doctor's office/practice, and I feel very fortunate to have had such a positive experience throughout my entire time as a patient of Dr. Kreiner's at RMA. My experience as Dr. Kreiner's patient and a patient of RMA was really perfect. Dr. Kreiner is phenomenal (personable, extremely knowledgeable and very experienced, understanding, confident, punctual, etc.). The office staff are so … More

Dr. Kreiner and the staff at RMAIVF ( Melville) are amazing to say the least!!!! He is straight forward and upfront, but kind and humorous. His treatment plan was on point and offered me success on the first try. All of the staff are so welcoming and supportive! They make the early morning appointments and regular bloodwork less tedious, especially Rebecca and Pat!! God bless them! I would recommend this location to ANYONE! Fertility treatment can be taxing physically and emotionally, but the support staff and treatment team are there with you every step of the way. I have never been to a doctor's office where EVERYONE was pleasant, accommodating, and showed compassion for what they do. Thank you Melville RMAIVF for making my fertility experience so pleasant.

On my first visit, I must say that the professionalism and kindness that I endured was attainable, Dr. Kreiner, left me feeling positive about my goal to want to have a baby, This journey it will take a lot of patience and understanding, RMA Long Island IVF Is a warm and inviting atmosphere surrounded by positive people, I have a lot of gratitude for all of the staff that is going to help me on my journey, I feel safe knowing that I am in great hands.

Dr Kreiner was delightful and attentive !

When I scheduled my appointment, I was told I would receive a full assessment including bloodwork and a sonogram. None of that happened. I was basically told that because I'm 47 years old, all they could do was donor eggs.

Office was very clean and comfortable. Exam room was actually relaxing with soft music, pictures on the ceiling, calm lighting. Very different from other doctors offices. Staff was all very friendly and informative. Dr. Kreiner was kind and thorough. my follow-up visit.

I can’t say enough good things about Dr. Kreiner, and his staff. He was so knowledgeable, attentive and helpful. He made me comfortable every step of the way, and never made me feel like I was asking a dumb question or too many. Thanks to him, I have my son after my first round of IVF!

Kind and courteous did a well job of listening and answering my questions

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Made our dreams come true! The nursing staff is amazing!

Today was our first appointment! Everyone was so friendly and I would recommend this place !

My husband and I felt very informed about what the next steps are and were pleased that the process of beginning this journey began today.

He’s so nice and very informative!! I feel so as ease with the WHOLE staff as I go through this journey. I’m so glad I picked them!

It was a very pleasant experience and my nerves left once I was greeted by Dr. Kreiner and his staff.

The office staff was patient and kind. They made us feel like we’ve known them for years. The Dr. was great.

Dr. Kreiner is the absolute best! I highly recommend Long Island IVF. His staff and nurses are wonderful. Thank you Dr. Kreiner!!

Dr. Kreiner and staff was very professional. Made me and my partner feel extremely comfortable throughout the entire process. Great doctor and staff.

Dr. Kreiner is AMAZING!!! He really takes the time to put you at ease, explain everything and is available to answer all of your questions and concerns. I could not have chosen a better doctor. I am soooo happy!!!

My first time with Dr.Kreiner and he’s so humble and caring for his patients. He was different from all the other visits that I had with other doctors and actually seemed to care what mine and my husbands concerns were. Amazing doctor! Can’t wait for my next follow up with him

Dr. Kreiner was super sweet, helpful and knowledgeable. He made my acupuncture experience pleasant. He had some funny jokes and made the procedure comfortable. I highly recommend anyone going through IVF to give acupuncture a try.

Dr. Kreiner was awesome. The staff was so pleasant and friendly. I have very difficult veins and the girl got it the first try. ( that’s always good trust me) They are all very professional. The office was really clean and neat. They explain everything throughly to make sure you have a great understanding of the process and procedures. Thank you for your professionalism #BellParkManorPatient Dr. Kreiner was awesome. The staff was so pleasant and friendly. I have very difficult veins and the girl got it the first try. ( that’s always good trust me) They are all very professional. The office was really clean and neat. They … More

Very kind doctor. Very experienced and yet a relaxed attitude in what can be a very stressful time for women

From the moment we met Dr. Kreiner we knew we were in good hands. While the IVF process is never easy, he made our journey as easy to navigate as one could hope for with his kind demeanor, sense of humor and reassuring words of encouragement. Never more than a phone call or e-mail away, Dr. Kreiner always made himself available to answer all of our questions and address our concerns. We are eternally grateful for his guidance throughout this process and would highly recommend him to anyone seeking fertility treatment. Thanks to Dr. Kreiner we welcomed our baby boy in April 2020.

Dr. Kreiner is sweet and gentle. He has a calming presence and willing to listen. A+ for bedside manners. He will answer all your questions you are prepared to ask. All the staff at RMA of IVF LI in Melville have been wonderful, treating me like a human being with feelings. He did a thorough initial assessment and got to know my husband as well and his health/how it may impact fertility.

Everything was perfect -- Dr. Kreiner, the staff and our new baby boy. I am 47 and my wife is 45, and we had been trying for years. Dr. Kreiner was always helpful and reassuring, and I liked that he didn't make any guarantees. He set the protocol, we followed it and now we're proud parents of a perfect little man.

Doctor Kreiner and the LIIVF staff are all absolutely amazing! My husband and I have been trying to get pregnant for over four years and we just had a beautiful perfect baby girl after one round of IVF. Having our precious baby girl would not have been possible without Dr. Kreiner! We will forever be grateful and we look forward to having baby number two in the future with Dr. Kreiner and LIIVF!!!

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He greeted me me at the door and made me feel comfortable

Dr. Kreiner and the whole staff are very professional. Very detailed and helpful.

Dr. Kreiner and the rest of the staff at LIIVF are incredible.

From the moment I walked in I was greeted with a smile, no wait time, everyone introduced themselves. Dr. Kreiner was warm, friendly and extremely through on exam.

This has been a GREAT experience for me! Dr. Kreiner and ALL staff down to the front desk staff have been awesome. I appreciate everything that everyone has been done to help my IVF process become a success!!

I love this Doctor! He is very patient and made my IVF journey very pleasant. He answers all of my questions. He diagnosed my problems and helped resolve my infertility issues. I would highly recommend this Doctor. I've been to a few doctors but only Dr. Kreiner gets the gold star.

Dr kreiner is the best! He is so easy going and very respectful of each patients needs! He cared for me and my spouse and is bed side manners is the absolute best! Our needs were priority and he listened and did is best to accommodate our needs with what would work best for us! If you need results go to Dr Kreiner

Very informative everything was well explained very professional

Dr Kreiner was very nice and funny. He made me feel very comfortable and really took his time to review all options and asked a lot of questions. His staff was awesome, all very friendly and great humor. They were all very thorough with each process.

I had a great experience at LI IVF. They are very good and organized. I highly recommend Dr. Kreiner and the Melville office.

I am so thrilled with my experience at this office. Dr. Kreiner & his entire staff are wonderful. We are finally pregnant (3rd IUI) after trying for over a year. I highly recommend this doctor & office.

Dr. Kreiner is so caring and knowledgeable. He treats patients with respect and kindness through difficult times. Dr. Kreiner listened to us throughout our struggle to conceive and worked through a plan to continue to try naturally until we were successful, even when we had failed. We are forever grateful to Dr. Kreiner and his incredible team of nurses as we've welcomed our beautiful daughter into our family.

Dr. Kreiner is amazing. He is patient and listens to what I have to say. He is everything I could want in a doctor, and more.

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My first insemination he didnt even let me know when he was going to put the speculum in causing me to almost jump off the table. Then right before he was going to do the procedure he looked at my husband's sperm numbers and said This isnt going to even work. It made me so upset. And because of that it scared me from being successful in having children. My first insemination he didnt even let me know when he was going to put the speculum in causing me to almost jump off the table. Then right before he was going to do the procedure he looked at my husband's sperm numbers and said This isnt … More

The most amazing experience you’ll ever have at a doctor’s office! The facility is beautiful, staff is efficient, friendly and extremely warm. Dr. Kreiner is thorough, professional and thoughtful. He diagnosed why I had trouble getting pregnant and under his care and guidance, we were able to conceive. He is also accessible by email. Who would have thought you could have such a pleasant experience at a doctor’s office?!

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Dr Kreiner and his staff are amazing. IVF can be a tough process but they made the entire experience amazing. The office is quick and thorough. Dr Kreiner is available all the time for any concerns. The nurses were amazing and so helpful! I suggest this clinic for anyone going through IVF!

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Dr. Kreiner is an expert is his field and is available to answer questions by email. He cares about his patients and understands the hardships of the journey through infertility. We are pregnant with our first child after. years of trying and we owe it to Dr. Kreiner and his team. They are a caring practice and help make a very confusing and overwhelming process manageable. They treat with you with respect and dignity, which everyone absolutely deserves.

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