Gregory M. O'Connor, D.D.S.

General Practice Dentistry · Merced, CA

Individual Active NPI

NPI number 1902877731

Practice location

3178 Collins Dr
Suite C
Merced, CA 95348-3132
Phone
(209) 383-9222
Fax
(209) 383-5372

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NPI record

NPI
1902877731
Entity type
Individual (Type 1)
Enumeration date
January 30, 2006
Last updated
July 13, 2026
Sole proprietor
No

Specialties & taxonomy codes

TaxonomyCodeLicenseState
General Practice Dentistry Primary 1223G0001X 25282 CA

About Dr. O'Connor

Gregory M. O'Connor, D.D.S. is a healthcare provider registered in the NPI registry with the primary taxonomy General Practice Dentistry (code 1223G0001X). The practice location is 3178 Collins Dr, Suite C, Merced, CA 95348-3132. The NPI number 1902877731 was assigned on January 30, 2006 and the record was last updated on July 13, 2026.

Dr. O'Connor lists a license in the registry: #25282 (CA) for General Practice Dentistry. License numbers are self-reported to NPPES; verify them with the state licensing board.

Frequently asked questions

What is the NPI number of Gregory M. O'Connor, D.D.S.?

The NPI number is 1902877731.

What is the phone number of Dr. O'Connor?

The phone number listed for the practice location is (209) 383-9222.

Where is Dr. O'Connor located?

3178 Collins Dr, Suite C, Merced, CA 95348-3132.

What is the taxonomy code for Dr. O'Connor?

The primary taxonomy code is 1223G0001X – General Practice Dentistry.

Is this information correct?

All details come from the public NPPES registry. Providers can update their record at nppes.cms.hhs.gov; changes appear here after the next weekly update.

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