Primary Care Doctor, Family Practitioner, 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 (2)

The overall average patient rating of Dr. William O'Connor is Excellent. Dr. O'Connor has been reviewed by 10 patients who have provided 2 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.6
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

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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 Primary Care Doctors.