Dr. Gregorio is on Doximity
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Office
199 E Webster St
Colusa, CA 95932Phone+1 530-458-3283Fax+1 530-458-3215
Education & Training
Mercy Catholic Medical CenterResidency, Surgery, 1972 - 1976- Mercy Catholic Medical CenterInternship, Transitional Year, 1971 - 1972
University of the Philippines College of MedicineClass of 1970
Certifications & Licensure
CA State Medical License 2003 - 2025
Awards, Honors, & Recognition
- Fellow (FACS) American College of Surgeons
Professional Memberships
- Member
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