4.3
23 Ratings with 5 written Reviews
Summary
Dr. William Oconnor is a family medicine physician with 45 years of experience serving patients and families. He earned his medical degree from the University of Cincinnati College of Medicine and completed his residency at San Joaquin General Hospital. Dr. Oconnor speaks both English and Spanish, making healthcare accessible to a broader community.
Dr. Oconnor practices at multiple locations in Vacaville, California, including Northbay Vacavalley Hospital and Kaiser Permanente Vacaville Medical Center. He specializes in managing high blood pressure and treating pediatric patients. His practice also includes skin lesion treatment and removal using advanced techniques like cryotherapy and laser therapy. Patients have rated Dr. Oconnor an average of 4.3 out of 5 stars for his care.
Dr. Oconnor practices at multiple locations in Vacaville, California, including Northbay Vacavalley Hospital and Kaiser Permanente Vacaville Medical Center. He specializes in managing high blood pressure and treating pediatric patients. His practice also includes skin lesion treatment and removal using advanced techniques like cryotherapy and laser therapy. Patients have rated Dr. Oconnor an average of 4.3 out of 5 stars for his care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 45 years of experience
- speaks English, Spanish
- San Joaquin General Hospital
- 5 written reviews
- 2 specialties
- 17 areas of expertise
- 2 hospital affiliations
- 3 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. William Thomas Oconnor has 3 locationsOconnor William Thomas Office
300 Mason StVacaville, CA 95688 Tel: (707) 446-0422
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. William Thomas Oconnor JR., MD | Sherry Amankwa, MSN, APRN, FNP-C | Dr. David Byron, MD | Dr. James L. Pearson, MD |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 45 Years of Experience | 6 Years of Experience | 16 Years of Experience | 9 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | |
| Vacaville , CA | Baltimore , MD | Tuscon , AZ | Seal Beach , CA |
| Med School: University Of Cincinnati College Of Medicine | Med School: Ben-Gurion University Of The Negev Faculty Of Health Sciences | Med School: St Georges University School Of Medicine | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. William Thomas Oconnor
Medical Specialties
Dr. William Thomas Oconnor has the following 2 specialties
Specialty Expertise
Dr. William Thomas Oconnor has the following 17 areas of expertise
Certifications, License, & Education
45 Years Experience
Dr. William Thomas Oconnor holds an expired medical license in the state of California.
Medical License
Medical Doctor with an expired medical license in the state of California that expired in 2026.
Education & Training
Residency
Completed their residency at San Joaquin General Hospital.
Medical School
Graduated from University Of Cincinnati College Of Medicine in 1981.
NPI Number
Dr. Oconnor's NPI number is 1639127632.
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Frequently Asked Questions
- Is Dr. William Oconnor accepting new patients?
- Dr. William Oconnor is accepting new patients on Vitals. View Dr. William Oconnor's profile on Vitals to make an appointment.
- Does Dr. William Oconnor accept virtual/telehealth appointments?
- Dr. William Oconnor has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. William Oconnor?
- You can find contact information for Dr. William Oconnor here on Vitals.
- Does Dr. William Oconnor accept my insurance?
- You can see the insurance plans that Dr. William Oconnor accepts on their Vitals profile.
- Where is Dr. William Oconnor's office located?
- Dr. William Oconnor's office is located at 300 Mason St, Vacaville, CA, 95688.
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