William Thomas O'Connor, M.D.
William O'Connor, M.D. has practiced family medicine for 45+ years, working in independent practice. Trained at University of Cincinnati College of Medicine (class of 1981), he has been practicing for over 45 years.
Data updated 2014-12-09 on CMS NPPES
Contact & Location
Practice Location
300 Mason St., Vacaville, CA 95688-4506
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Background & Specialty
Education, training, and specialty classification from CMS NPPES and Medicare records.
Education & Training
University of Cincinnati College of Medicine (Class of 1981)
Virtual Family Medicine Care With William O'Connor
NPPES records indicate this provider offers telehealth services. Contact the office to confirm availability and scheduling.
Schedule a virtual visit with William O'Connor for follow-ups, medication reviews, and ongoing care — no travel to Vacaville required. The office sends a secure video link before your appointment. Most visits take 15–30 minutes.
Frequently Asked Questions
Common questions about William O'Connor
NPI records show Dr. O'Connor as active with telehealth listed in Vacaville, CA. Note: NPI status alone doesn't confirm open availability — always call ahead. Phone: (707) 446-0422.
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