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We strive to provide you with the best possible care, and that begins with our team. We consider ourselves to be a family at RMA Long Island IVF, as many of us have worked together for over 30 years. Our physicians and staff understand that building a family can be a challenging journey. In fact, some of them have been patients of RMA Long Island IVF themselves! Consistently recognized as Best Doctors in New York and Top Doctors on Long Island, our physicians are truly devoted to helping you start your family.

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Dr. Beth McAvey is a Board Certified Reproductive Endocrinologist and Fertility Specialist who has earned the respect and admiration of her patients and her colleagues for her compassionate care and her clinical expertise. Prior to joining RMA of New York in 2015, Dr. McAvey treated infertile couples at the Albert Einstein College of Medicine and Montefiore Medical Center’s Institute for Reproductive Medicine and Health. She is currently on the faculty at the Icahn School of Medicine at Mount Sinai, where she is actively involved in educating residents and medical school students, as well as treating patients for infertility, providing assisted reproductive technologies and minimally-invasive gynecological surgery, and performing egg freezing for both medical and social indications. Dr. McAvey is board certified in obstetrics and gynecology and is a fellow of the American College of Obstetricians and Gynecologists. She is also a member of both the American Society for Reproductive Medicine and the Society of Reproductive Endocrinology and Infertility. 

After graduating with honors from Syracuse University, Dr. McAvey earned a graduate degree in Reproductive Biology, graduating summa cum laude from Johns Hopkins University. She then earned her medical degree from the State University of New York Downstate Medical Center. Dr. McAvey completed her residency training in obstetrics and gynecology at the New York Presbyterian Hospital, Weill Cornell Medical Center and went on to complete her subspecialty training in Reproductive Endocrinology and Infertility at Montefiore Medical Center. 

Dr. McAvey is the recipient of numerous awards, including the Distinguished House Staff Award from New York Presbyterian Hospital, Weill Cornell Medical Center as well as an award for surgical excellence in the field of gynecology from the American Association of Gynecologic Laparoscopists. She is also recognized as a 2018 New York Super Doctor and 2019 Castle Connolly Top Doctor.

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Daniel Kenigsberg, MD is a board certified reproductive endocrinologist. He completed his residency in gynecology and obstetrics at Johns Hopkins Hospital in Baltimore and his fellowship in reproductive endocrinology at the National Institutes of Health in Bethesda, Maryland. Dr. Kenigsberg then became the director of reproductive endocrinology at the State University of New York, Stony Brook. His studies in ovulation induction and ovarian physiology have won national awards. He left SUNY at Stony Brook in 1988 to co-found RMA Long Island IVF. Dr. Kenigsberg has also authored "The Baby Solution," a step-by-step guide to overcoming infertility.

"We live in an age when we are approaching almost limitless possibilities in the treatment of medical disorders. Infertility is one such condition. Over the past three decades, remarkable developments in medical, surgical, and laboratory techniques have resulted in the growth of a subspecialty devoted to treatment of infertility. I have been fortunate to be able to practice that medicine during this exciting era. The entire team of embryologists, nurses, and doctors feel a common bond with our patients during their treatment as well as after they have left us as newly started families."

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David Kreiner, MD graduated with AOA honors from SUNY Downstate in 1981 with aspirations to start an IVF program on Long Island. That dream became a reality when—upon completion of his fellowship and a year as assistant professor at the Jones Institute in Norfolk, VA—he joined Dr. Kenigsberg to found RMA Long Island IVF and achieved the first successful IVF east of the East River in 1988. Over the years, Dr. Kreiner has won two national awards for infertility research, was a finalist for the top research award from the American Society for Reproductive Medicine for his work on endometriosis, and was granted the Teddy Roosevelt Award at JT Mather Memorial Hospital and the Family Building Award from the American Fertility Association for his efforts with maximizing success while minimizing risk with IVF. In 2017, after studying Traditional Chinese Medicine for two years, Dr. Kreiner became the first REI in the Northeast to become certified in medical acupuncture, offering Long Island IVF patients acupuncture on site at the time of their embryo transfer. His professional goal of assisting his patients is summarized by the title of his book he authored, “Journey to the Crib.”

"I was deeply influenced by some of my earliest patients' experiences with high-order multiple pregnancies and births. As a husband and father, I strongly believe my role as a physician is to facilitate conception for my patients in the most medically safe and economically efficient way possible."

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"Reproductive endocrinology is a challenging, meaningful, and rewarding subspecialty. I regard it as a true privilege to treat patients who suffer from problems with infertility. The rewards, when successful, extend not only to my patients but to their own families who will now be grandparents, aunts and uncles. The impact that I have as a physician not only on all of these individuals, but all of those people who are effected by a child in his or her own future, represents a reward that is indescribable."

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Joseph Peña, MD joined East Coast Fertility, the practice which would become RMA Long Island IVF, in 2004. He received his medical degree from the New York University School of Medicine and completed his residency in Obstetrics and Gynecology at Pennsylvania Hospital in Philadelphia, the oldest hospital in the United States. Dr. Peña then completed his fellowship in Reproductive Endocrinology and Infertility at the prestigious Columbia University College of Physicians and Surgeons, where he stayed on as an Assistant Professor at the Center for Women’s Reproductive Care. He currently holds an appointment as a Clinical Assistant Professor of Obstetrics & Gynecology at the New York College of Osteopathic Medicine. Dr. Peña is board certified in Obstetrics and Gynecology and Reproductive Endocrinology/Infertility and has numerous publications in peer-reviewed journals. Dr. Peña is a member of the American Society for Reproductive Medicine, the Society for Reproductive Endocrinology and Infertility, the American Congress of Obstetricians & Gynecologists, and the Obstetrical and Gynecological Society of Suffolk County. Dr. Peña has been named annually to Castle Connolly's Top Doctors™ and the New York Super Doctors® lists over the past several years.

"In college I contracted Guillain-Barré Syndrome, a paralyzing autoimmune disorder. After six weeks in ICU and then a year-long rehabilitation, I realized that I was drawn to the field of medicine. Having been a patient myself, I know the importance of having a caring and competent physician."

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Michael Zinger, MD received an MD with special distinction for research in reproductive endocrinology at the Albert Einstein College of Medicine of Yeshiva University. Dr. Zinger completed residency in obstetrics and gynecology at North Shore University Hospital in Manhasset, followed by fellowship in reproductive endocrinology and infertility at the University of Cincinnati under Dr. Robert Rebar, Director of the American Society for Reproductive Medicine. In 2002, Dr. Zinger was awarded the Senior Fellows Award for outstanding research by the Endocrine Society. He headed the IVF program at Edward Hospital for six years before joining East Coast Fertility. Dr. Zinger is board certified in reproductive endocrinology and infertility as well as in obstetrics and gynecology.

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Cary L. Dicken, MD, joined RMA Long Island IVF in the fall of 2020. She comes to us from the Sher Institute for Reproductive Medicine in New York City, where she served as Associate Medical Director for over six years.

Dr. Dicken graduated magna cum laude from the University of Pennsylvania in 1999 and earned her medical degree from the Albert Einstein College of Medicine in 2004. She graduated at the top of her class and was awarded entrance into the AOA Medical Honor Society. She later completed her internship and residency in Obstetrics & Gynecology at Columbia University and was selected to serve as Chief Resident in her final year of training. In 2011, Dr. Dicken completed a fellowship in Reproductive Endocrinology & Infertility at the Montefiore Medical Center. After her post-graduate training, Dr. Dicken joined the faculty at Columbia University as an Assistant Professor of Obstetrics & Gynecology in the Division of Reproductive Endocrinology & Infertility. In addition to treating patients with infertility while on faculty at Columbia for over 3 years, Dr. Dicken also assisted with the education and training of medical students, residents, and fellows.

Dr. Dicken has been recognized by her peers and patients as an outstanding and compassionate physician and is the recipient of numerous honors and awards, including New York Rising Star, the Patient’s Choice Award, and a Compassionate Doctor Recognition. In addition, Dr. Dicken has published over 20 papers and presentations and received numerous awards for her outstanding work.  Dr. Dicken is board certified in Obstetrics & Gynecology and Reproductive Endocrinology & Infertility.  

Dr. Dicken has a special interest in unexplained infertility, PCOS, and fertility preservation (egg freezing) and is especially passionate about helping her patients through the emotional challenges related to infertility and recurrent miscarriage. Dr. Dicken is a caring and warmhearted fertility specialist while still being honest and upfront with her patients. She is proud to be a reproductive endocrinologist because she gets to spend her days helping women/couples create the families they want. She is currently accepting new patients for virtual or in-person visits. 

"My mission as a healthcare provider is to educate women about fertility and infertility. Understanding female reproduction and infertility empowers women and helps them to make informed decisions about their fertility goals and treatment."

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In addition to being a male reproductive specialist at RMA Long Island IVF, Yefim R. Sheynkin, MD, FACS, is also an associate clinical professor of urology and director of male infertility and microsurgery at Stony Brook University Medical Center. Trained in urology at Maimonides Medical Center in Brooklyn, he continued his education as a fellow at the Center for Male Reproductive Medicine and Microsurgery at the New York Hospital-Cornell Medical Center. Dr. Sheynkin has unique experience and years of expertise in reproductive medicine, microsurgical treatment of male infertility, and sperm retrieval techniques for in vitro fertilization.

Dr. Sheynkin has authored and co-authored book excerpts and numerous peer reviewed scientific articles about male infertility in the national and international journals including Journal of Urology, Fertility and Sterility, Urology, and Human Reproduction. Dr. Sheynkin is board certified by the American Board of Urology and is a member of numerous medical professional societies. His other clinical interests include male sexual dysfunction and testis-sparing treatment of testicular cancer.

“Jo” recently joined the team at RMA Long Island after 25 years at the Cornell Center for Reproductive Medicine. She has many years of REI administrative and nursing leadership experience with specific focuses on regulatory aspects, peri-operative care, safety and quality goals. Jo has a strong philosophy for teamwork, nursing education, and mentoring new staff.  She values the collaborative efforts of the nursing team and is driven to support improvements in patient experience.   Joanne is passionate about sharing experiences with her team, the patients and other nursing professionals nationally. By way of her ASRM and Resolve memberships she remains involved nationally to advocate for patients, she holds a certification as a Nurse Executive – Advanced and is an active member of the Serono National Speaker Bureau.  For Jo, “It’s patient care first”.    


Sharon Hoey, RPAC, has been a member of the RMA Long Island IVF family since 2007. She completed Master’s Degree in Natural Science at University of New York at Buffalo, then went on to pursue Bachelor’s Degree in Physician Assistant at University of New York at Stony Brook. She is most often seen working with Dr Kenigsberg at the Stony Brook office, but also works at the Melville office. Sharon is a “fan favorite” amongst patients due to her years of experience and pleasant demeanor. When not helping patients grow their families, she enjoys rafting and beekeeping.
Megan Katz, PA has been a valued member of the RMA Long Island IVF team since 2014. After completing her studies at the University of Colorado, she completed her PA training at Stony Brook University. Megan has a passion for making sure that patients are educated and informed about the procedures they will undergo. Megan can most often be found at the Melville office. In her spare time, she enjoys traveling with her family. Megan is currently accepting new patients.
Before joining the team at RMA Long Island IVF in 2019, Olga Reid, NP, worked as a Nurse Practitioner at RMA of New York. She earned her NP Masters from Stony Brook University School of Nursing in 1992. Currently, Olga works closely with Dr. McAvey at the Garden City location. She has a special interest in IVF and assists in all aspects of monitoring for IVF procedures. “My favorite thing about my job is seeing the joy in patients eyes when they find out they’re expecting,” says Olga. When not working, Olga enjoys traveling and community service/volunteerism. She is currently accepting new patients.
Alexis Rogers, FNP, has been a member of the RMA Long Island IVF team since 2019. After completing her studies at the State University of Plattsburgh, she completed her Nurse Practitioner Master’s degree at Binghamton University. Alexis has experience in Obstetrics and Gynecology and loves working in women’s health. Alexis alternates between the East Patchogue and West Islip office working with Dr. Pena. In her spare time, she enjoys traveling with her family and giving back to the community.