Stephen Todd Chasen, MD, FACOG
Maternal and Fetal Medicine
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Stephen Todd Chasen, MD, FACOG

Maternal and Fetal Medicine

Profile Photo of Stephen Todd Chasen, MD, FACOG
Gender: Male
Language: English


Personal Statement

My clinical practice focuses on two main areas: prenatal diagnosis of fetal abnormalities, and consultation in managing complicated pregnancies. Our ultrasound unit has special expertise in first-trimester ultrasound and risk assessment for fetal chromosomal abnormalities, such as Down syndrome. We also offer expert prenatal diagnosis with second-trimester ultrasound. When indicated, I perform Chorion Villus Sampling (CVS) and amniocentesis.


Specialties and Expertise


  • Obstetrics
  • Maternal-Fetal Medicine


  • Fetal Therapy
  • Maternal Medicine
  • Maternal-Fetal Ultrasound
  • Prenatal Diagnosis


Medical School Jefferson Medical College, 1992 Residency OBGYN 1992-1996, Thomas Jefferson University Hospital, Philadelphia, PA

Fellowship Maternal-Fetal Medicine 1996-1998, New York Hospital/Cornell Medical Center

Director of High-Risk Obstetrics, New York Weill Cornell Medical Center, 10/00 to present Associate Professor of Obstetrics and Gynecology, 2003-Present co-Director of OB/GYN Residency, 2004-Present


Honors and Awards

Honors and Awards

American College of Obstetricians and Gynecologists Council on Resident Education in Obstetrics and Gynecology (CREOG) National Faculty Award: 2007, 2008, 2010, 2011


Donna Redel Clinical Scholar in Obstetrics and Gynecology, 2005-2011

Elected to Planned Parenthood NYC (PPNYC) Board of Directors: 2012


Board Certifications

  • American Board of Obstetrics & Gynecology
  • American Board of Obstetrics & Gynecology (Maternal & Fetal Medicine)

Clinical and Academic Positions

  • Attending Obstetrician and Gynecologist - NewYork-Presbyterian Hospital
  • Professor of Clinical Obstetrics and Gynecology - Weill Cornell Medical College, Cornell University

Education and Training

  • M.D., Jefferson Medical College, Thomas Jefferson University, 1992


Insurance Plans Accepted

The following represents most of the managed care plans accepted by this doctor. If your insurance carrier does not appear here please contact the doctor’s office as they may have individual contracts not included on this site.

* indicates this doctor is no longer accepting new patients with this insurance plan.

  • AETNA - Medicare
  • Aetna Weill Cornell Employee Managed Care Plan
  • Aetna Weill Cornell Employee PPO Plan
  • Aetna-NYP - EPO/POS
  • * Affinity Access
  • * Affinity Health Plan
  • * Amida Care
  • Empire Blue Cross/Blue Shield - Blue Access
  • Empire Blue Cross/Blue Shield - Blue Connection
  • Empire Blue Cross/Blue Shield - EPO
  • Empire Blue Cross/Blue Shield - HMO
  • Empire Blue Cross/Blue Shield - Mediblue (Senior)
  • Empire Blue Cross/Blue Shield - PPO
  • * Empire Blue Cross/Blue Shield HealthPlus
  • * Empire Blue Cross/Blue Shield HealthPlus - CHP
  • * Fidelis Care
  • GHI - CBP
  • * Health First
  • Health Insurance Plan of NY (HIP)
  • * Health Insurance Plan of NY (HIP) - Medicaid
  • Medicaid
  • Medicare
  • Oxford Health Plans - Freedom
  • Oxford Health Plans - Liberty
  • Oxford Health Plans - Medicare Advantage
  • Oxford Health Plans - Metro/Core/Charter
  • Rockefeller University - Trustmark
  • United Empire
  • United Healthcare
  • * United Healthcare - Community Plan
  • United Healthcare - Medicare
  • United Healthcare Compass
  • * WellCare of NY
  • WorldWide Medical

Locations and Appointments

News and Media


External Relationships

External Relationships

Relationships and collaborations with for-profit and not-for profit organizations are of vital importance to our faculty because these exchanges of scientific information foster innovation. As experts in their fields, WCM physicians and scientists are sought after by many organizations to consult and educate. WCM and its faculty make this information available to the public, thus creating a transparent environment.

Professional Services:
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