Katharine Willoughby, MD

Obstetrics & Gynecology

Kaiser Foundation Health Plan

3400 Delta Fair Blvd, Antioch, CA 94509

Accepting new patients

(925) 779-5000

Conditions Treated

  • Pregnancy
  • High Risk Pregnancy (e.g. Advanced Maternal Age, Gestational Diabetes, Pre-eclampsia)
  • Birth/Labor & Delivery
  • Cervical Cancer Risk
  • Human Papillomavirus (HPV) Risk
  • Unwanted Pregnancy

Specialized Treatments

  • Postpartum Check-Up
  • Vaginal Delivery
  • Fetal Ultrasound
  • Human Papillomavirus (HPV) Test
  • Intrauterine Device (IUD) Insertion & Removal
  • Contraception Counseling