4.3
23 Ratings with 5 written Reviews
Summary
Dr. William Oconnor is a family medicine physician who earned his medical degree from the University of Cincinnati College of Medicine and completed his residency at San Joaquin General Hospital. With 45 years of experience in practice, he has built extensive expertise in comprehensive family care. Dr. Oconnor is fluent in both Spanish and English, allowing him to serve diverse patient populations.
He practices at multiple locations in Vacaville, California, and maintains hospital affiliations with Northbay Vacavalley Hospital and Kaiser Permanente Vacaville Medical Center. Dr. Oconnor focuses on managing high blood pressure and treating pediatric patients. His practice includes skin lesion removal and cryotherapy treatments for various skin conditions. Patients have given him an average rating of 4.3 on Vitals, reflecting their confidence in his care.
He practices at multiple locations in Vacaville, California, and maintains hospital affiliations with Northbay Vacavalley Hospital and Kaiser Permanente Vacaville Medical Center. Dr. Oconnor focuses on managing high blood pressure and treating pediatric patients. His practice includes skin lesion removal and cryotherapy treatments for various skin conditions. Patients have given him an average rating of 4.3 on Vitals, reflecting their confidence in his care.
Overview based on verified provider data
Quick Facts
- accepting new patients
- 45 years of experience
- speaks Spanish, English
- 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, MD | Dr. David Byron, MD | Nicole Baldwin, APRN, FNP-BC | Sherry Amankwa, MSN, APRN, FNP-C |
| Family Medicine | Family Medicine | Family Medicine | Family Medicine |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 45 Years of Experience | 16 Years of Experience | 8 Years of Experience | 6 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks Spanish, English | Speaks English | Speaks English | |
| Vacaville , CA | Tuscon , AZ | Orlando , FL | Baltimore , MD |
| Med School: University Of Cincinnati College Of Medicine | Med School: Ben-Gurion University Of The Negev Faculty Of Health Sciences | ||
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
- What languages does Dr. William Thomas Oconnor speak?
- Dr. William Thomas Oconnor speaks Spanish and English.
- Which hospitals is Dr. William Thomas Oconnor affiliated with?
- Dr. William Thomas Oconnor is affiliated with Northbay Vacavalley Hospital and Kaiser Permanente Vacaville Medical Center.
- Does Dr. William Thomas Oconnor accept virtual/telehealth appointments?
- Dr. William Thomas Oconnor has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Does Dr. William Thomas Oconnor accept my insurance?
- You can see the insurance plans that Dr. William Thomas Oconnor accepts on their Vitals profile.
- How can I make an appointment with Dr. William Thomas Oconnor?
- You can find contact information for Dr. William Thomas Oconnor here on Vitals.
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