Catherine Hennessey, MD, MS

Obstetrics and Gynecology

Locations and Appointments

Insurances Accepted

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

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

  • HMO
  • Medicare
  • PPO
  • Blue Access
  • Blue Connection
  • EPO
  • HMO
  • Mediblue (Senior)
  • PPO
  • CBP
  • Medicaid
  • Medicare
  • Freedom
  • Liberty
  • Medicare Advantage
  • Metro/Core/Charter
  • Community Plan
  • Medicare
Personal Statement

"As an OB/GYN, I have the privilege of caring for people in various stages of life, including some of their happiest and most vulnerable times. Partnering with patients and individualizing care to support their unique situation brings me joy in the work I do every day."

Biographical Info

Dr. Catherine Hennessey is an obstetrician-gynecologist and complex family planning specialist. She specializes in contraception for people with complex medical problems, medical and procedural abortion, and early pregnancy loss. She cares for all people in need of gynecologic care and strives to provide accessible, patient-centered reproductive healthcare. Dr. Hennessey is an Assistant Professor in the Department of Obstetrics and Gynecology at Weill Cornell Medical Center. She earned her undergraduate degree in biology at the University of Washington and her medical degree at Georgetown University School of Medicine. She completed residency training at The George Washington University and fellowship in complex family planning at the University of Chicago, where she also earned her Master of Science in Public Health Sciences.

Clinical Expertise
Complex Family Planning
Contraceptive Care
Permanent Birth Control
Pregnancy Termination
  • M.D.
    Georgetown University School of Medicine
  • B.S.
    University of Washington
  • Assistant Attending Obstetrician and Gynecologist
    NewYork-Presbyterian Hospital
  • Assistant Professor of Clinical Obstetrics and Gynecology
    Weill Cornell Medical College, Cornell University

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.

No External Relationships Reported