Gregory O'connor, D.D.S practices general practice in Merced, CA at 3178 Collins Dr, Suite C, Merced, CA 95348. National Provider Identifier 1902877731, registered with CMS on January 30, 2006. Phone 2093839222. No Google rating has been collected for this location yet. DentalPeach Score 67 out of 100, calculated from 1 measured component (see /how-we-score).
Peach Score
67 / 100 · Solid
Findability and upkeep: 67/100 (weight 20) — phone on file, federal record updated within 5 years
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Source: NPPES record for NPI 1902877731, last updated in the federal file on July 13, 2026. A federal record can lag a move or a retirement — call before you go.