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S. Zev Williams, MD, PhD

Reproductive Endocrinology/Infertility (Board Certified, Primary Specialty)
Obstetrics and Gynecology (Board Certified, Primary Specialty)
Rated one of New York Magazine's Best Doctors


Zev Williams, MD, PhD, is the Chief of the Division of Reproductive Endocrinology and Infertility and an Associate Professor of Obstetrics and Gynecology at Columbia University Medical Center and is a nationally-recognized clinician and researcher in the area of recurrent pregnancy loss and infertility. Dr. Williams completed his MD and PhD training in Molecular Biology and Biochemistry at the Mount Sinai School of Medicine before continuing to the Brigham and Women’s Hospital/Massachusetts General Hospital for his residency in Obstetrics and Gynecology. After completing his fellowship in Reproductive Endocrinology and Infertility at Weill-Cornell, Dr. Williams then did a post-doctoral fellowship on RNA biology in the laboratory of Dr. Thomas Tuschl at Rockefeller University. Dr. Williams comes to CUMC from Albert Einstein College of Medicine, and brings with him the Program for Early and Recurrent Pregnancy Loss (PEARL) that he started. The PEARL program encompasses a clinical care site focused on integrating a multidisciplinary approach to preventing recurrent miscarriage as well as a basic/translational research program and focuses on public education surrounding pregnancy loss, including webinars, public lectures, online informational videos, and blog pieces. Dr. Williams has also achieved success in federally-funded research projects in several different areas of study, having received numerous NIH grants to support his work. Currently, as part of an NIH R01 grant, Dr. Williams is engaged with a research project intended to use placental RNA as a screening tool for diseases and complications of pregnancy, to enable early intervention, and to provide insights into disease pathogenesis. Dr. Williams has also taken a leading role as an educator, serving as a mentor and adviser to medical students, residents and fellows.

Area of Expertise

Please contact the doctor's office to verify that your insurance is accepted.

Aetna [EPO, HMO, Medicare Managed Care, NY Signature, POS, PPO, Signature Administrators, Student Health]

Cigna [EPO, Great West, HMO, POS, PPO]

Emblem/GHI [HMO, Medicare Managed Care, PPO]

Emblem/HIP [ConnectiCare, EPO, HMO, POS, PPO, Select Care (Exchange), Vytra]

Empire Blue Cross Blue Shield [Blue Priority, EPO, HMO, Medicare (Mediblue), NYP Employee Plan, Pathway (Exchange), POS, PPO]

Local 1199 [Local 1199]

MagnaCare [MagnaCare]

Multiplan [Multiplan]

Oxford Health Plans [Freedom, Liberty]

UnitedHealthcare [Columbia University Employee Plan, Compass (Exchange), EPO, HMO, POS, PPO]


MD, Mount Sinai Hospital

Internship: Brigham and Women's Hospital

Residency: Brigham and Women's Hospital

Fellowship: NewYork-Presbyterian Hospital/Weill Cornell Medical Center


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Associate Professor of Obstetrics & Gynecology at CUMC