About Me

Dr. Krishnansu Tewari is a board-certified gynecologic oncology surgeon who specializes in the surgical treatment of all gynecological cancers at the MemorialCare Todd Cancer Institute at Long Beach Medical Center. He also serves as a Professor for the Division of Gynecologic Oncology, Department of Obstetrics & Gynecology, UC Irvine School of Medicine.

Dr. Tewari received his medical degree from the University of California, Irvine School of Medicine. He completed his residency in obstetrics/gynecology and his fellowship in gynecologic oncology at UCI Medical Center. He is board certified in Gynecologic Oncology and Obstetrics & Gynecology by the American Board of Obstetrics and Gynecology.

His clinical interests include cytoreductive surgeries and advanced gynecologic surgery; ovarian carcinoma and other gynecologic cancers; ovarian cancer; fallopian tube and primary peritoneal cancers; gynecologic oncology; gynecologic tumors; and da Vinci® robot-assisted surgery.

Dr. Tewari’s research findings have been published in over 170 peer-reviewed journals.  He is an active member of the Cervical Cancer Task Force (National Cancer Institute); member-at-large, nomination committee, Society of Gynecologic Oncology; and a member of the publications committee, NRG Oncology a non-profit research organization formed to conduct oncologic clinical research and disseminate study results for informing clinical decision making and healthcare policy.

Areas of Interest:

  • Gynecologic Oncology Services
  • Gynecology Services
  • Ovarian Cancer Services
  • Robotic Oncology Services


Provider Specialty

Gynecologic Oncology, Obstetrics & Gynecology

Areas of Care



UC Irvine School of Medicine

Residency - Gynecology and Obstetrics

UC Irvine School of Medicine

Fellowship - Gynecologic Oncology

UC Irvine School of Medicine

Locations & Affiliations


MemorialCare Todd Cancer Institute Women's Specialty Center

2810 Long Beach Blvd.

Long Beach, CA

Office: (562) 933-2824

Appointment: (562) 933-2824

UCI Health Ovarian Cancer Center

101 The City Drive South

Pavilion 3, Room 501

Orange, CA

Office: (714) 456-8000

Appointment: (714) 456-8000