Gregory O'Connor, D.D.S

NPI 1902877731 · on the registry since 2006

Practice

Address: 3178 Collins Dr
Suite C
Merced, CA 95348
Phone: (209) 383-9222
Fax: (209) 383-5372
Organisation at this address: Frank W Berry Jr Md Inc
Brandon E. Boggs, M.D. Inc.
Inferred from a shared address, not stated in the registry.
Clinicians at this address: 5

Registry record

Primary taxonomy: 1223G0001X
1223G0001X
Licence states on file: CA
From the registry's licence fields, which are often incomplete.
Sex: Male
Record last updated: 2026-07-13

Source: CMS National Plan and Provider Enumeration System. Registration is not the same as practising, and the registry records no retirement — some people listed here no longer practise. More in California