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About Me

Conditions I specialize in
  • Obstetrics and Gynecology

In sixth grade, Dr. Kimberly Bonar found a book in her school library on cardiothoracic surgeons and became enthralled. During medical school, she fell in love with obstetrics and realized she could perform surgery and develop long-term relationships with her patients as an OB-GYN. Helping her patients manage their pregnancies and then delivering their babies gives her the biggest thrill.

With more than 25 years of experience, Dr. Bonar sees adolescents and adults for the full spectrum of women’s healthcare, including general and high-risk obstetrics. She is skilled in the minimally invasive techniques of robotic surgery, hysteroscopic surgery, laparoscopy and pelvic prolapse correction. Dr. Bonar likes to get to know her patients, listening to their concerns and spending time to educate them on their options. She believes in empowering patients to make their own decisions. She emphasizes a healthy lifestyle, including good nutrition, good sleep, reduced stress and exercise, noting that these actions can make a major difference in physical and mental health.

Married for more than 30 years, Dr. Bonar and her husband have four grown daughters and one grandchild. She loves to be outdoors, especially paddleboarding, skiing, boating, hiking and walking her dogs. They also have two cats. She likes to read fiction, try new recipes and travel.

Practice Focus

  • General obstetrics and gynecology
  • Routine annual exams
  • Adolescent gynecology
  • Contraception management
  • Prenatal, delivery and postnatal care
  • High-risk pregnancy care, including diabetes management, twins, advanced maternal age and hypertension
  • Minimally invasive and robotic surgery
  • Abnormal vaginal bleeding
  • Fibroids and ovarian cysts
  • Endometriosis
  • Polycystic ovary syndrome (PCOS)
  • Menopausal care

Locations I practice at

Slide 1 of 2
  • 1
    TriHealth Women's Services - Cincy OB-GYN - Liberty
  • 2
    TriHealth Women's Services - Cincy OB-GYN - Montgomery
  • Education

    • Northwestern University | Medical School, 1990
      Doctor of Medicine (MD)
    • Riverside Methodist Hospital-Ohio Health | Residency, 1994

    Certifications

    • American Board of Obstetrics and Gynecology | Other, 1996

    Ratings and Reviews

    The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.
    4.7 / 5 (352 ratings, 10 comments)
    Comments from patients
    • 5 / 5
      Dr Kimberly Bonar is the best. She is so thorough Dr. Bonar explains everything that's happening so you understand what your issues are
      Reviewed March 29, 2026
    • 5 / 5
      Made everything clear to me and asked me questions with no judgement while also giving their professional input.
      Reviewed March 28, 2026
    • 5 / 5
      Nice
      Reviewed March 27, 2026
    • 5 / 5
      Made me feel comfortable, respected, valued, and cared for
      Reviewed March 19, 2026
    • 5 / 5
      Dr. Bonar is fantastic. She's always willing to take the time to answer my questions, and discuss all the options. I like her "tell it like it is" way of talking with me, but she also has great compassion. Wish all doctors were like her.
      Reviewed March 19, 2026
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