4.3
23 Ratings with 5 written Reviews
Summary
Dr. William Oconnor has practiced family medicine for 45 years and is affiliated with Northbay Vacavalley Hospital and Kaiser Permanente Vacaville Medical Center. He treats hypertension and hypertensive emergency, and performs skin lesion treatment or removal, cryotherapy for skin lesions, and laser therapy for skin lesions. He also holds a second listed specialty of Other.
Dr. Oconnor earned his medical degree from the University of Cincinnati College of Medicine and completed his residency at San Joaquin General Hospital. He sees patients in Vacaville, California, and speaks English and Spanish. Patients on Vitals rate Dr. Oconnor 4.26 out of 5.
Dr. Oconnor earned his medical degree from the University of Cincinnati College of Medicine and completed his residency at San Joaquin General Hospital. He sees patients in Vacaville, California, and speaks English and Spanish. Patients on Vitals rate Dr. Oconnor 4.26 out of 5.
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 | Shannon Renee Gigounas, DNP, FNP-BC | Dr. Samantha Von Ins, MD | Dr. Michelle Simi, 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 | 28 Years of Experience | 16 Years of Experience | 32 Years of Experience |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks Spanish, Vietnamese | |
| Vacaville , CA | Danville , CA | Placentia , CA | Orinda , CA |
| Med School: University Of Cincinnati College Of Medicine | Med School: University Of California Irvine College Of Medicine | Med School: University Of Chicago Division Of The Biological Sciences The Pritzker 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
- What languages does Dr. William Oconnor speak?
- Dr. William Oconnor speaks English and Spanish.
- 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.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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