Summary

Dr. Theodore Oconnell is a family medicine physician who has been caring for patients for 28 years. He earned his medical degree from the David Geffen School of Medicine at UCLA, building a strong foundation in comprehensive healthcare. Dr. Oconnell is fluent in both Spanish and English, allowing him to connect with diverse patient populations throughout his practice.

Dr. Oconnell practices at Kaiser Foundation Hospital and Kaiser Permanente Woodland Hills Medical Center in Vallejo, California. He specializes in managing high blood pressure and chronic kidney disease, providing ongoing care for these important health conditions. His practice also includes preventive services such as flu vaccinations and comprehensive health screenings through metabolic panels. Patients rate Dr. Oconnell 3.9 out of 5 stars for his care.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 3.9
  • 28 years of experience
  • speaks Spanish, English
  • David Geffen School Of Medicine At Ucla
  • 2 written reviews
  • 1 specialty
  • 9 areas of expertise
  • 1 board certification
  • 2 hospital affiliations
  • 2 office locations
  • Male

Patients’ Perspective

  • Gave an accurate diagnosis
  • Had a good bedside manner
  • Spent time with me

Office Locations

Dr. Theodore X Oconnell has 2 locations

Kaiser Foundation Hospital

975 Sereno DrVallejo, CA 94589

Kaiser Permanente Vallejo Medical Center

975 Sereno DrVallejo, CA 94589
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

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Dr. Theodore X Oconnell, MDDr. David Byron, MDHelix Virtual CareDr. Abraham Hafiz Rodriguez, MD
Family MedicineFamily MedicineFamily MedicineFamily Medicine
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
3.9 
28 Years of Experience 16 Years of Experience 13 Years of Experience
No Virtual Visit Option Virtual Visit Available Virtual Visit Available Virtual Visit Available
Speaks Spanish, English Speaks English
Vallejo , CATuscon , AZBoca Raton , FLPleasanton , CA
Med School: David Geffen School Of Medicine At Ucla Med School: Ben-Gurion University Of The Negev Faculty Of Health Sciences Med School: Doctor of Medicine (M.D.), University of Illinois College of Medicine, Peoria, IL
Current Profile
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Insurance Plans Accepted by Dr. Theodore X Oconnell

Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.

Medical Specialties

Dr. Theodore X Oconnell has the following specialty

Specialty Expertise

Dr. Theodore X Oconnell has the following 9 areas of expertise

  • Check-up
  • Contraception
  • Family Planning
  • Heart Diseases
  • Heart Failure
  • Immunization
  • Influenza
  • Stroke
  • Weight Loss

Certifications, License, & Education

28 Years Experience

Dr. Theodore X Oconnell 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

Medical School

Graduated from David Geffen School Of Medicine At Ucla in 1998.

NPI Number

Dr. Oconnell's NPI number is 1780743351.

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Frequently Asked Questions

Is Dr. Theodore Oconnell accepting new patients?
Dr. Theodore Oconnell is accepting new patients on Vitals. View Dr. Theodore Oconnell's profile on Vitals to make an appointment.
How can I make an appointment with Dr. Theodore Oconnell?
You can find contact information for Dr. Theodore Oconnell here on Vitals.
Does Dr. Theodore Oconnell accept my insurance?
You can see the insurance plans that Dr. Theodore Oconnell accepts on their Vitals profile.
Which hospitals is Dr. Theodore Oconnell affiliated with?
Dr. Theodore Oconnell is affiliated with Kaiser Foundation Hospital and KAISER PERMANENTE WOODLAND HILLS MEDICAL CENTER.
Where is Dr. Theodore Oconnell's office located?
Dr. Theodore Oconnell's office is located at 975 Sereno Dr, Vallejo, CA, 94589.

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