28.3 mi
Greenwich, CT 06830
Judith Goldberg-Berman, MD, PhD
Endocrinologist
75 Holly Hill Lane, Suite 305
Greenwich, CT 06830
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11 providers
Availability last updated 05/24/2026
Judith Goldberg-Berman, MD, PhD
Endocrinologist
75 Holly Hill Lane, Suite 305
Greenwich, CT 06830
Having a chronic illness that requires regular monitoring, or living with a condition that has yet to be diagnosed, is overwhelming. Men and women in the Yonkers, New York area have relied on Jonas Leibowitz, MD for years. As the city’s longtime trusted endocrinologist, Dr. Leibowitz treats a wide scope of medical issues. His practice, Jonas Leibowitz, MD, is near New York City and Westchester County, New York.
Dr. Leibowitz tackles some of medicines toughest cases in his practice. Dr. Leibowitz graduated from Sophie Davis School of Biomedical Education in New York and completed his Internship and Residency at The Mount Sinai Medical Center.
Dr. Leibowitz continues his education regularly, focusing on new technologies and medications. On the cutting edge of new science, Dr. Leibowitz lectures all over the region to teach other medical professionals how to prescribe medication, and when.
The office of Jonas Leibowitz, MD, is currently accepting new patients. Dr. Leibowitz specializes in hormonal disorders, thyroid issues, diabetes, and all types of endocrine-related diseases, he’s highly skilled at treating almost any type of health concern patients may have. His expert team cares for patients from the diagnosis stage, all the way through establishing a treatment.
Dr. Jonas Leibowitz, MD
Endocrinologist
770 McLean Ave.
#B
Yonkers, NY 10704
Alla Khalfin, OD is a board-certified endocrinologist who provides a wide variety of services at her medical office in Syosset, New York. Dr. Khalfin is a thorough, compassionate provider who puts patient care first. She listens carefully to each patient and strives to help each person achieve their health care goals.
Dr. Khalfin provides comprehensive diagnostic and treatment services for several endocrine-related conditions, including diabetes, osteoporosis, adrenal problems, goiters, thyroid conditions, and obesity. She also employs a nutritionist to provide effective weight loss services to her patients.
Besides holding certifications in endocrinology from the American Board of Internal Medicine in internal medicine, Dr. Khalfin also has certifications in endocrinology, diabetes, and metabolism. She’s also a current member of the American Association of Clinical Endocrinologists, the American College of Physicians, and the Endocrine Society.
Dr. Khalfin is a graduate of the New York College of Osteopathic Medicine of the New York Institute of Technology. She continued her education through internships and residencies at the Staten Island University Hospital and North Shore-Long Island Jewish Health System. She also completed a fellowship program in clinical endocrinology at the Westchester Medical Center.
Whether your needs are weight-related or endocrine-related, you can rely on Dr. Khalfin, so click or call to book a consultation with her today.
Dr. Alla Khalfin, DO
Endocrinologist
175 Jericho Turnpike
Suite 201
Syosset, NY 11791
Dima Yeshou, md
Endocrinologist
12-04 Saddle River Rd
Fairlawn, NJ 07410
Randi Tomasulo
Endocrinologist
246 Post Road East
2nd Floor
Westport, CT 06880
Kavitha Persaud, MD, is a double board-certified physician who works at the University Reproductive Associates offices in Wayne, New Jersey, and Goshen, New York, covers Doc of the Day at Hasbrouck Heights, and provides care there as needed.
A New Jersey native, Dr. Persaud received her Bachelor of Science from Lehigh University in Bethlehem, Pennsylvania, before completing her medical degree at the Drexel University College of Medicine in Philadelphia. She then completed her REI fellowship at Rutgers-New Jersey Medical School, following in the footsteps of University Reproductive Associates physicians Peter McGovern, MD, Susan Wolf, MD, Adam Fechner, MD, and Sara Morelli, MD, PhD. It was during Dr. Persaud’s fellowship that she learned about University Reproductive Associates and knew that was where she hoped to practice.
Dr. Persaud’s three-year REI fellowship consisted of 18 months of research followed by another 18 months of clinical experience, predominantly at University Reproductive Associates, where she worked one-on-one with all of the physicians in the group practice to learn about reproductive endocrinology and infertility, assisting with surgeries and observing how they interact with patients.
Dr. Persaud knew she wanted to specialize in obstetrics as she loved the prospect of bringing life into the world. She was drawn to the subspecialty of infertility because it was a way of helping couples become families through the ever-changing technological and medical treatments and procedures.
Dr. Kavitha Persaud, MD
Reproductive Endocrinologist
30 Hatfield Ln
Suite 109B
Goshen, NY 10924
Ndidiamaka Onwubalili, MD, is a reproductive endocrinologist, infertility specialist, and an essential team member at University Reproductive Associates. Dr. Onwubalili works with patients at the offices in Millburn and Denville, New Jersey, and Goshen, New York, and performs surgeries and procedures at Hasbrouck Heights, providing personalized care in a warm and welcoming manner.
Dr. Onwubalili has always embraced the challenges and rewards of higher education. She earned her Bachelor of Science in biology at Georgian Court College in Lakewood, New Jersey, before completing her medical degree at Dartmouth Medical School in Hanover, New Hampshire.
She followed those degrees with a residency in obstetrics and gynecology at Duke University in Durham, North Carolina, where she served as administrative chief resident. Dr. Onwubalili then completed fellowship training in reproductive endocrinology at New Jersey Medical School in Newark and is a fellow of the American College of Obstetricians and Gynecologists.
Dr. Onwubalili makes every effort to get to know those in her care. She understands the emotional challenges that accompany reproductive health challenges and strives to make patients feel secure in the quality of care they can expect from University Reproductive Associates.
Dr. Ndidiamaka Onwubalili, MD
Reproductive Endocrinologist
30 Hatfield Ln
Suite 109B
Goshen, NY 10924
Adam Fechner, MD, is a double board-certified OB/GYN practicing at University Reproductive Associates in Hasbrouck Heights, Wayne, and Millburn, New Jersey, and Goshen, New York. He specializes in endometriosis, recurrent pregnancy loss, uterine fibroids, in vitro fertilization, polycystic ovary syndrome, and minimally invasive reproductive surgery.
Dr. Fechner earned his bachelor’s degree at Harvard University in Cambridge, Massachusetts, and his Doctorate of Medicine at New Jersey Medical School in Newark, New Jersey. He also completed an OB/GYN residency and Reproductive Endocrinology and Infertility fellowship at New Jersey Medical School. Dr. Fechner received training to operate with the da Vinci®️ Surgical Robot.
In addition to seeing patients at University Reproductive Associates, Dr. Fechner is an assistant professor in the Department of Obstetrics, Gynecology, and Women’s Health at Rutgers New Jersey Medical School and director of the Division of Reproductive Endocrinology and Infertility at Hackensack University Center. He is double board-certified by the American Board of Obstetrics and Gynecology.
Dr. Adam Fechner, MD
OB-GYN
30 Hatfield Ln
Suite 109B
Goshen, NY 10924
Kavitha Persaud, MD, is a double board-certified physician who works at the University Reproductive Associates offices in Wayne, New Jersey, and Goshen, New York, covers Doc of the Day at Hasbrouck Heights, and provides care there as needed.
A New Jersey native, Dr. Persaud received her Bachelor of Science from Lehigh University in Bethlehem, Pennsylvania, before completing her medical degree at the Drexel University College of Medicine in Philadelphia. She then completed her REI fellowship at Rutgers-New Jersey Medical School, following in the footsteps of University Reproductive Associates physicians Peter McGovern, MD, Susan Wolf, MD, Adam Fechner, MD, and Sara Morelli, MD, PhD. It was during Dr. Persaud’s fellowship that she learned about University Reproductive Associates and knew that was where she hoped to practice.
Dr. Persaud’s three-year REI fellowship consisted of 18 months of research followed by another 18 months of clinical experience, predominantly at University Reproductive Associates, where she worked one-on-one with all of the physicians in the group practice to learn about reproductive endocrinology and infertility, assisting with surgeries and observing how they interact with patients.
Dr. Persaud knew she wanted to specialize in obstetrics as she loved the prospect of bringing life into the world. She was drawn to the subspecialty of infertility because it was a way of helping couples become families through the ever-changing technological and medical treatments and procedures.
Dr. Kavitha Persaud, MD
Reproductive Endocrinologist
214 Terrace Avenue
Hasbrouck Heights, NJ 07604
Anat Chemerinski, MD, is a highly skilled and board-certified reproductive endocrinologist, infertility specialist, and integral part of the team at University Reproductive Associates. Dr. Chemerinski takes great pride in helping those in her care achieve their dreams of parenthood through her work with patients at the office in Hasbrouck Heights, New Jersey.
Dr. Chemerinski completed her undergraduate studies at Cornell University in Ithaca, New York. She earned her medical degree from the University of Maryland School of Medicine in Baltimore before completing a residency at the Hospital of the University of Pennsylvania in Philadelphia, where she eventually became an administrative chief resident in obstetrics and gynecology.
Fellowship training in reproductive endocrinology and infertility at Rutgers Biomedical and Health Sciences in Newark, New Jersey, further enhanced Dr. Chemerinski’s education and experience. She’s earned multiple honors and awards, including the Gold Humanism Honors Society and the William D. Kaplan, MD, Award for Humanism in the Practice of Medicine. Dr. Chemerinski was recently honored with acceptance into the ASRM/NICHD/Duke Clinical Research/Reproductive Scientist Training Program (CREST).
Dr. Chemerinski will continue her research at Rutgers while working with patients at University Reproductive Associates, providing those in her care with the latest advancements in reproductive medicine.
Dr. Anat Chemerinski, MD
Reproductive Endocrinologist
214 Terrace Avenue
Hasbrouck Heights, NJ 07604
Adam Fechner, MD, is a double board-certified OB/GYN practicing at University Reproductive Associates in Hasbrouck Heights, Wayne, and Millburn, New Jersey, and Goshen, New York. He specializes in endometriosis, recurrent pregnancy loss, uterine fibroids, in vitro fertilization, polycystic ovary syndrome, and minimally invasive reproductive surgery.
Dr. Fechner earned his bachelor’s degree at Harvard University in Cambridge, Massachusetts, and his Doctorate of Medicine at New Jersey Medical School in Newark, New Jersey. He also completed an OB/GYN residency and Reproductive Endocrinology and Infertility fellowship at New Jersey Medical School. Dr. Fechner received training to operate with the da Vinci®️ Surgical Robot.
In addition to seeing patients at University Reproductive Associates, Dr. Fechner is an assistant professor in the Department of Obstetrics, Gynecology, and Women’s Health at Rutgers New Jersey Medical School and director of the Division of Reproductive Endocrinology and Infertility at Hackensack University Center. He is double board-certified by the American Board of Obstetrics and Gynecology.
Dr. Adam Fechner, MD
OB-GYN
214 Terrace Avenue
Hasbrouck Heights, NJ 07604