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Family Practitioner, Primary Care Doctor, General Practitioner
30 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Learn more about Dr. William O'Connor:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (12)

The overall average patient rating of Dr. William O'Connor is Excellent. Dr. O'Connor has been reviewed by 41 patients who have provided 12 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.5
Promptness 4.4
Courteous Staff 5.0
Accurate Diagnosis 4.7
Bedside Manner 4.7
Spends Time with Me 5.0
Follows Up After Visit 4.7

Specialties & Research

  • He has special expertise in 9 areas:
  • Arthritis
  • Back Pain
  • Fibromyalgia
  • Flu (Human Influenza)
  • Neck Pain
  • Radiculopathy
  • Sciatica
  • Shoulder Pain
  • Wounds and Injuries

Education & Awards

Dr. O'Connor graduated from University of Cincinnati. He has 1 awards.

Patients' Choice Award (2014)


Dr. O'Connor has 3 hospital affiliations:

  • NorthBay Medical Center 
  • Sutter Solano Medical Center 
  • NorthBay Vaca Valley Hospital 


  • Spanish

> > > > Dr. William O'Connor, MD

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Additional Information
Dr. William Thomas O'Connor MD is a male Family Practitioner, has 30 years of experience and practices in Family Medicine and General Practice.
Where does Dr. William T. O'Connor practice?
Dr. William O'Connor has 1 office location.
Dr. William O'Connor practices Family Medicine and General Practice near Vacaville, CA.
See Vacaville Family Physicians and Vacaville Primary Care Doctors.