Dr. O'Regan is on Doximity
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Office
1531 Esplanade
Chico, CA 95926Phone+1 530-896-7455Fax+1 530-896-1730
Education & Training
Southside Medical CenterResidency, Internal Medicine, 1984 - 1987
University College Cork Faculty of MedicineClass of 1982
Certifications & Licensure
CA State Medical License 1987 - 2025
OH State Medical License 1987 - 1988
PA State Medical License 1986 - 1988- American Board of Internal Medicine Internal Medicine
Professional Memberships
- Fellow
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