Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Gregory M. O'Connor, DDS

Individual provider General Practice Dentistry · NPI 1902877731

Dr. Gregory M. O'Connor, DDS is a General Practice Dentistry in Merced, California. Licensed in California. Registered with an NPI since 2006.

Licensed in
CA
In the registry since
2006
What do these letters mean?
DDS — Doctor of Dental Surgery
A dentist. DDS and DMD are the same qualification — universities choose which title to award.

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Practice location Address checks out

3178 Collins Dr Ste C
Merced, CA 95348-3132
Phone: (209) 383-9222
Fax: (209) 383-5372
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

General Practice Dentistry (primary) Taxonomy 1223G0001X · Licence 25282 (CA)

Record details

NPI number1902877731
Entity typeIndividual (Type 1)
GenderMale
Credentials DDS
Sole proprietorNo
NPI enumeratedJanuary 30, 2006
Last updated in NPPESJuly 13, 2026
Mailing address3178 Collins Dr, Suite C, Merced, CA 95348-3132

Other providers in Merced