Dr. William O'Nan, MD

Dr. William O'Nan, MD

Obstetrics & Gynecology  ·  
Male  ·  
Age 71
Dr. William O'Nan, MD is an obstetrics & gynecology specialist in Henderson, KY and has been practicing for 42 years. He graduated from Univ Of Ky Coll Of Med in 1973 and specializes in obstetrics & gynecology.

319 8th St Ste 4

Henderson, KY 42420

Contact Information

(270) 869-9888

Insurance Accepted

  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • Humana
  • MultiPlan
  • Sagamore Health Network

*Please verify this information when scheduling an appointment.

Learn about Dr. O'Nan

Be confident in your decisions by checking out your provider's top areas of care, education, patient reviews and more. Learn about finding the right doctor for you.

Top Care Areas

See how frequently Dr. O'Nan performs your care needs compared to other doctors.

Gestational Diabetes
very high
more than 95% of peers
Osteoporosis Screening
very high
more than 92% of peers
Asymptomatic Post-Menopausal Status
very high
more than 90% of peers

Dr. O'Nan's percentages are based on the rate of treatment compared to peers nationwide from insurance data. Learn more info about our data and this Top Care Areas component.

1  Specialties

  • Obstetrics & Gynecology

1  Board Certifications

  • Obstetrics & Gynecology
    Accredited by: American Board of Obstetrics & Gynecology*

41  Conditions Treated


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35  Procedures

  • Anemia and Iron Deficiency Screening
  • Cholesterol Screening
  • Colporrhaphy
  • Destruction or Excision of Lesion of Cervix (incl. LEEP)
  • Dilation and Curettage
  • Excision, Shaving, or Destruction of Skin and Subcutaneous Tissue (incl. Mohs Micrographic Surgery), Tissue Transfer
  • Fecal Occult Blood Test for Colorectal Cancer
  • Fetal Cardiac Monitoring
  • Hepatitis B Virus Screening
  • Hepatitis Screening
  • HIV Screening
  • Human Papillomavirus DNA Testing
  • Hysterectomy - Laparoscopic
  • Hysterectomy - Open
  • Hysteroscopy
  • Intrauterine Device (IUD) Placement
  • Intrauterine Device (IUD) Removal
  • Laparoscopic Surgical Procedure
  • Laparoscopic Tubal Ligation
  • Laparoscopy
  • Lupron Injection
  • Menopause Evaluation and Treatment
  • NovaSure® Ablation
  • Oophorectomy
  • Osteoporosis Screening
  • Pap Smear
  • Pregnancy Ultrasound
  • Rectovaginal Repair
  • Removal of Reproductive Organs (Hysterectomy, Oophorectomy, Salpingectomy, Salpingo-Oophorectomy, Resection of Peritoneal Malignancy)
  • Rh Incompatibility Screening
  • Sexually Transmitted Infections Screening
  • Syphilis Screening
  • Thyroid Screening
  • Vaginal Surgery
  • Vulvectomy


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Background Check

Malpractice Claims not available

Healthgrades does not collect malpractice information for Kentucky.

0 Sanctions

No sanctions history found for the years that Healthgrades collects data.

0 Board Actions

No board actions found for the years that Healthgrades collects data.


  • Univ Of Ky Coll Of Med
    Medical School | Graduated 1973
  • U Cincinnati
    Residency Hospital | Completed 1976

Awards & Recognition

Awards & Honors
  • Healthgrades Honor Roll
Media & Publications

Dr. O'Nan has no media or publications listed.

Languages Spoken

  • English

Memberships & Professional Affiliations

Dr. O'Nan does not have any memberships or affiliations listed. If you are Dr. O'Nan and would like to add memberships or affiliations, please update your profile.

Dr. O'Nan's Reviews

Likelihood of recommending Dr. O'Nan to family and friends
7 total reviews (3 have comments)

Likelihood to Recommend (7)

  • 5
  • 4
  • 3
  • 2
  • 1

Dr. O'Nan's Performance

  • Trustworthiness

  • Explains condition(s) well

  • Answers questions

  • Time well spent


Office & Staff Performance

  • Scheduling

  • Office environment

  • Staff friendliness

  • Average wait time

    16 to 30 minutes

Patient Comments (3)

He is a valued care giver! I appreciate his concern and gentleness!
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Great, friendly and very knowledgable dr.
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Dr. Onan Has delivered all 5 of my children and been with me through one of my miscarriages. He even offered to drive me to the hospital one time, i was having a miscarriage and i was alone during that visit. He is very understanding and takes time to answer all questions, even if that places him...more
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