26.6 mi
Greenwich, CT 06830
Judith Goldberg-Berman, MD, PhD
Endocrinologist
75 Holly Hill Lane, Suite 305
Greenwich, CT 06830
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10 providers
Availability last updated 04/25/2025
Judith Goldberg-Berman, MD, PhD
Endocrinologist
75 Holly Hill Lane, Suite 305
Greenwich, CT 06830
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
Alla Khalfin, DO 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, pituitary disorders, thyroid conditions, metabolic syndrome and obesity. The doctor along with her certified nutritionist provide effective weight loss services and approach to wellness health to her patients.
Dr. Khalfin is holding certifications in Internal Medicine and in Endocrinology, Diabetes, and Metabolism from the American Board of Internal Medicine. 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 New York Medical College at 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.
Gina Langiulli, RD
Dietitian
175 Jericho Turnpike
Suite 201
Syosset, NY 11791
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
About Dr. Tsai
Dr. Tsai is the Medical Director and founder of NYFC. Dr. Tsai completed his undergraduate training at Columbia University and received his Medical Degree from Mount Sinai School of Medicine. He completed his OB/GYN residency at Albert Einstein College of Medicine and his fellowship in reproductive endocrinology & infertility at the University of California-San Francisco/Stanford Medical Center.
Dr. Tsai has authored numerous research papers in the fields of gynecologic and reproductive endocrinology. Special areas of interest include the infertility, laparoscopic, laser surgery and difficult cases. Dr. Tsai is an Assistant Professor of Obstetrics and Gynecology at Weill Medical College of Cornell University. He is the former Chairman of ACOG District 2 Section 3, and holds numerous other leadership positions including former president of Queens Ob/Gyn Society, former Vice Chairman, as well as Secretary and Treasurer of Queens Ob/Gyn Society.
Dr. Tsai is the Director of the Division of Reproductive Endocrinology and Infertility at New York Presbyterian Queens. The Division of Reproductive Endocrinology and Infertility provides a full spectrum of state-of-the-art medical and surgical treatments in assisted reproductive technologies. Additionally, the service provides expert care in all aspects of reproductive endocrinology and gynecology. He specializes in surgical management of pelvic pain, endometriosis, fibroids, uterine septum and asherman syndrome. He has performed over 100 laparoscopic myomectomies per year and hysterectomies also known as “Band-aid hysterectomy and Band-aid myomectomy”. He is the first in Queens to popularize LSH, laparoscopic supracervical hysterectomy. This procedure allows the preservation of the cervix when removing the uterus. The cervix may play a role in female sexual satisfaction therefore he tries not to remove it unless absolutely necessary. He is also the first to implement a staged laparoscopic/hysteroscopic myomectomy approach. For fibroids that are too large to safely remove from the uterus during a single surgery a staged procedure is performed and the rest of the myoma is removed. This technique has also been applied to uterine septums and adhesions.
Dr. Tony Tsai, MD
Reproductive Endocrinologist
4231 Colden Street
Suite 202
Flushing, NY 11355
Elise Brett, MD, a board-certified endocrinologist in New York City, offers highly personalized medical care to adult patients at her private practice, Elise M. Brett, MD, PC. Located in the Upper East Side of Manhattan, Dr. Brett specializes in diagnosing and managing conditions such as diabetes, thyroid disease, obesity, and polycystic ovary syndrome (PCOS).
Dr. Brett received her bachelor’s degree at the University of Michigan in Ann Arbor, Michigan. She went on to earn her Doctor of Medicine at the Icahn School of Medicine at Mount Sinai in New York City. Dr. Brett completed both her internal medicine residency and a rigorous endocrinology fellowship program at Mount Sinai Hospital. Additionally, Dr. Brett is also a Certified Nutrition Support Clinician and is endocrine-certified in neck ultrasound and fine-needle aspiration (FNA) biopsy.
Hormones control nearly everything the body does and have a significant impact on overall health and wellness. Dr. Brett provides comprehensive medical evaluations and testing to uncover the root cause of issues ranging from hair loss and skin problems to abnormal menstrual cycles, fatigue, and weight gain. Her goal is to restore patients' health and wellness with personalized medical treatment and lifestyle modification.
In addition to her private practice, Dr. Brett is an associate clinical professor at the Icahn School of Medicine and a voluntary attending at Mount Sinai and Lenox Hill Hospital. She has also contributed to several books, clinical practice guidelines, and scientific papers covering diabetes, thyroid disease, nutrition support, adrenal disease, and obesity. She served for many years on the board of directors of The American Association of Clinical Endocrinologists.
Dr. Elise Brett, MD
Endocrinologist
112 East 84th Street
New York, NY 10028
Carlos Arevalo, MD
Endocrinologist
95-25 Queens Blvd
Rego Park, NY 11374
Anastasios Manessis, MD, FACE, ECNU, ABOM, is a double-board certified physician at Endocrine Associates of West Village PC in Murray Hill, Manhattan, and Long Island City, New York, specializing in endocrinology, diabetes, and metabolism and obesity medicine. Dr. Manessis has an endocrine certification in neck ultrasounds and has extensive experience in diagnosing, treating, and managing endocrine disorders, including diabetes, thyroid disorders, hormonal dysfunction, and obesity.
Dr. Manessis pursued his undergraduate education at Manhattan College, graduating magna cum laude with distinction in biochemistry. He earned his medical degree from the State University of New York at Buffalo. Dr. Manessis completed a combined residency in internal medicine and pediatrics at New York Medical College at Saint Vincent’s Hospital in New York. Following a year as chief medical resident, he completed a two-year clinical fellowship in endocrinology, diabetes, and metabolism, where his research interest, among others, involved the use of insulin pumps in patients with Type II diabetes.
In addition to his clinical practice, Dr. Manessis was a faculty member in the Department of Medicine at New York Medical College from 2008-2010. He then joined the faculty of New York University in 2011. He has been involved in many clinical research projects, including long-term studies to evaluate the efficacy and safety of GLP-I agonists and weight loss agents. Dr. Manessis’ primary clinical interest includes the treatment of diabetic patients with insulin pumps and how it has benefited the well-being of patients long-term.
Dr. Anastasios Manessis, MD
Endocrinologist
36-36 33rd Street
Suite 311
Long Island City, NY 11106
Dr. Philip Rabito, MD
Endocrinologist
150 E. 77th St Ofc. 1d
New York, NY 10075