0 reviews
Summary
Dr. Hartigan-O Connor graduated from the University of Michigan Medical School in 2003. He works in Kensington, CA and specializes in Allergy & Immunology.
Quick Facts
- 23 years of experience
- University Of Michigan Medical School
- 1 specialty
- 1 office location
- Male
Office Location
Compare with Similar Doctors
![]() | ![]() | ![]() | ![]() |
| Dennis J Hartigan-O Connor | Columbia Allergy | Eric Ming Chen | Harpinder Kaur Dhinsa |
| Allergy & Immunology | Allergy & Immunology | Allergy & Immunology | Allergy & Immunology |
| Accepts New Patients | |||
| 23 Years of Experience | 30 Years of Experience | 4 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | No Virtual Visit Option | No Virtual Visit Option |
| Speaks English | |||
| Kensington , CA | Fremont , CA | Walnut Creek , CA | San Francisco , CA |
| Med School: University Of Michigan Medical School | Med School: University Of Missouri-Kansas City School Of Medicine | Med School: University Of Iowa | |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dennis J Hartigan-O Connor
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dennis J Hartigan-O Connor has the following specialty
Certifications, License, & Education
23 Years Experience
Education & Training
Medical School
Graduated from University Of Michigan Medical School in 2003.
NPI Number
Dennis J Hartigan-O Connor's NPI number is 0.
Similar Doctors
Frequently Asked Questions
- How can I make an appointment with Dennis Hartigan-O Connor?
- You can find contact information for Dennis Hartigan-O Connor here on Vitals.
- Does Dennis Hartigan-O Connor accept virtual/telehealth appointments?
- Dennis Hartigan-O Connor has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Where is Dennis Hartigan-O Connor's office located?
- Dennis Hartigan-O Connor's office is located at 420 Yale Ave, Kensington, CA, 94708.
- Does Dennis Hartigan-O Connor accept my insurance?
- You can see the insurance plans that Dennis Hartigan-O Connor accepts on their Vitals profile.
- Is Dennis Hartigan-O Connor accepting new patients?
- Dennis Hartigan-O Connor has not indicated that they accept new patients. Contact their office through their Vitals profile to check for availability.
Ensuring Data Transparency and Trust: A Guide to Vitals Doctor Listings and Reviews
Our provider data is gathered directly from physicians and publicly available databases. Providers who verify their profiles gain the ability to update information, offering additional details about their specialties,education, treated conditions, performed procedures, and accepted insurances.
Reviews on Vitals are submitted by users only. Recognizing the valuable insights these reviews offer into a doctor's reputation, we maintain internal policies and protocols to ensure the quality and accuracy of all reviews. Importantly, providers cannot delete or alter reviews independently. Reviews can only be deleted or changed following an internal assessment by our customer service team.
Your feedback is highly valued and we encourage you to contact our support team should you encounter any issues.


