On Ying (Megan) Y. Liu, MD

On Ying (Megan) Y. Liu, MD

Medical Group
Ascension Medical Group
Ascension Medical Group Ascension Medical Group
Languages Spoken


On Ying (Megan) Liu, MD, is an obstetrician and gynecologist (OB-GYN) with Ascension St. Vincent in Carmel, IN. She listens to understand you and your preferences as a woman. Then, Dr. Liu works with you to deliver compassionate, personalized prenatal care throughout pregnancy, labor, and delivery. Dr. Liu also specializes in female reproductive health conditions, menopause care, emotional health, breast health and more. Ask about virtual visits as part of your ongoing care.

Whether you have new symptoms or just want to talk to a doctor about women's health, Dr. Liu is here for you. She has a special interest in minimally invasive gynecologic surgery (including laparoscopic and robotic-assisted hysterectomy), treatment of abnormal uterine bleeding and pelvic pain, adolescent gynecology, contraception care, and well-woman care. Outside the office, Dr. Liu enjoys spending time with her husband, Eric, and her golden retriever, Colt. She spends her free time cooking, playing the piano, exercising, practicing yoga, and exploring the outdoors.



  • Saint Louis University of Medicine


  • St Vincent Hospital & Health Center


Hospital Affiliations

  • Ascension St. Vincent Carmel
  • Ascension St. Vincent Fishers
  • Ascension St. Vincent Hospital - Indianapolis


  • The American Board of Obstetrics and Gynecology - Obstetrics and Gynecology
Professional Statement
I recognize the unique privilege of being able to provide care for women through some of the most intimate and sensitive aspects of their health. I enjoy getting to know my patients as individuals, and believe in caring for and treating the person as a whole, without letting diagnoses define the person.
- On Ying (Megan) Y. Liu, MD


Why Ascension
Ascension doctors are committed to getting to know you. They take time for real back-and-forth conversations with you so they can understand all aspects of you and your life. Because great care starts with seeing your whole picture.
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