Our Doctors


Yaakov Abdelhak, MD, FACOG

Dr. Yaakov Abdelhak is a board-certified OB/GYN who also completed additional an additional fellowship in perinatology (high-risk obstetrics) and has been an Maternal-Fetal Medicine (MFM) doctor since 2002. He is a firm supporter in natural and vaginal birth whenever safe for the mother and baby.

Yaakov Abdelhak, MD, FACOG attended SUNY Downstate Medical School and OB/GYN residency at Maimonides Medical Center in Brooklyn. He completed a fellowship in Maternal-Fetal Medicine at New York University. Dr. Abdelhak started his private practice in 2002 and delivers out of Hackensack University
Medical Center in Hackensack, NJ.

He supports holistic childbirth, vaginal breech, vaginal twins, external cephalic versions, vaginal birth after caesarean (VBAC) and vaginal birth after two caesarean (VBAC2). His expertise in high-risk obstetrics ranges from the management of diabetes, high blood pressure, severe hyperemesis, cerclage placement, multiple gestational, pregnancy after 40, previous loss, recurrent miscarriages, and complications in pregnancy. Learn more about Dr. Abdelhak by watching this video.

Kristin Mallon, CNM, MS, RNC-OB

Kristin Mallon and Dr. Abdelhak have worked together since 2012 to give women better birth experiences and better outcomes, including higher vaginal delivery rates, and better holistic care for women with high-risk and low-risk pregnancies. The whole team model emphasizes partnering with women and their families to provide Individualized care.

For more about Kristin see her bio linked here or check out this short video


Amanda Resnikoff-Gary, MD

Amanda Resnikoff, MD is a very skilled, determined and compassionate OB/GYN who grew up right here in the Hudson Valley.  Her love for medicine began at a young age as she always had.a deep interest in science, medicine, and research.  She attended Columbia University and graduated with a Bachelor's degree in neuroscience.  Dr. Resnikoff then earned her medical degree from Sackler School of Medicine and later completed her residency at Rutgers NJMS (formerly UMDNJ).  Her passion throughout her OB/GYN training was primarily dedicated to obstetrics, a collaborative approach to choices in childbirth, high-risk pregnancy, and evidenced-based research. 

Dr. Resnikoff worked as an OBGYN at Hackensack University Medical Center for 5 years before joining our Integrative Obstetrics team.  She currently resides in Jersey City with her husband and loves to explore new neighborhoods and the many amazon restaurants in and around the Hudson Valley. Check out this short video to learn more about Dr. Amanda.

Jonathan "Dr. John" Ratzersdorfer, MD, FACOG

Dr. Jonathan Ratzersdorfer, MD, a graduate of UMDNJ- Medical School, has worked alongside Dr. Yaakov Abdelhak and Kristin Mallon since 2014. In medical school, he was elected to the Alpha Omega Alpha Honor Society. He completed his residency training in OB/GYN at Magee-Womens Hospital of UPMC in Pittsburgh, PA. During residency he received the Best Resident Teacher Award, two years in a row, brining to light his passion for education, evidenced-based medicine and interpersonal skills. He is a proud father of four children, including triplets who were delivered by Dr. Abdlehak.

Learn more about Dr. Ratzersdorfer in this introductory video.


Dr. Leora Joel, MD, FACOG

Dr. Joel is a board certified OBGYN MD who earned her doctoral degree from the Albert Einstein College of Medicine, Bronx, NY, and completed her residency in Obstetrics and Gynecology and Women's Health at Montefiore Medical Center, Bronx, NY.

Dr. Joel’s passion for science and medicine started at a young age, having been raised by two dedicated biology teachers. She completed her undergraduate degree in neuroscience and behavior cum laude at Barnard College, Columbia University. Even during her undergraduate studies, Dr. Joel was excited about the prospect of becoming an OBGYN, and spent time during a semester abroad in Australia volunteering on the labor and delivery unit at the Royal Women’s Hospital.

During medical school, Dr. Joel conducted research projects aspiring to improve the management of obstetric hemorrhage, and was awarded a blue ribbon for her poster presentation at the American College of Obstetricians and Gynecologists Annual Meeting. During residency, Dr. Joel was the recipient of the Resident Award from the Society for Academic Specialists in General Obstetrics and Gynecology. Dr. Joel current resides in Bergen County and in her free time loves spending time with her family.

Our Locations

Choose your preferred location