Independent US Healthcare Provider Directory & Public Medical Database
Active NPI 1902877731 Individual Practitioner Male Practitioner

Dr. Gregory M. O'connor , DDS

Dentist - General Practice • Merced, CA

Public Directory Information & Medical Disclaimer

This profile is compiled from official public domain records provided by CMS and the NPPES registry. TRUE-MEDINFO is an independent reference directory and does not provide medical advice, diagnosis, or treatment recommendations. Always consult a licensed medical professional for personal health decisions.

Professional Overview & Biography Verified Profile Summary

Dr. Gregory O'Connor, DDS is a registered healthcare professional specializing in Dentist - General Practice in Merced, CA. Official NPI practice address is registered at 3178 COLLINS DR.

Practice Location & Contact Primary Location

Practice Address

3178 Collins Dr
Suite C

Merced, CA 953483132

Telephone 2093839222
Fax 2093835372
Associated Practice Facility / Clinic
🏢 Frank W Berry Jr Md Inc Facility NPI 1194040758

Specialty Benchmarks & Practice Insights

Comparative analytics for Dentist - General Practice in Merced, CA

Active Practitioner
Practitioner Clinical Experience
Active
City Avg: 22.5 Yrs
State Avg: 21.7 Yrs
Regional Practice Density
39 Specialists

Practicing in Merced, CA (18734 Statewide)

Telehealth Adoption Rate
0.0% Regional Adoption

In-Person Office Visits Only

Medicare Pricing Discount
67.4% Avg Savings

Under CMS Medicare Fee Schedule vs Standard Submitted Charges

Medical Specialties & State Licenses

Dentist - General Practice Primary Specialty

NUCC Taxonomy Code: 1223G0001X

State License CA 25282

A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

Practice Associates & Co-Workers

Healthcare professionals and specialists practicing at this location or sharing practice phone/fax

1 Associated Practitioners
Dr. Ranu Mishra , DDS, MS

Dentist - Prosthodontics

NPI 1457480295

Doctor of Dental Surgery, Master of Science

Career & Practice History Timeline

Chronological log of verified NPI updates, location relocations, credentials, and registry changes

6 Historical Events
NPI Profile Active July 08, 2007

NPI status registered as active in NPPES database

📍
Updated Practice Location July 08, 2007

Registered at 3178 COLLINS DR, SUITE C, MERCED, CA 953483132 (Tel: 2093839222)

📍
Updated Business Mailing Address July 08, 2007

Registered at 3178 COLLINS DR, SUITE C, MERCED, CA 953483132 (Tel: 2093839222)

👤
Provider Name / Credentials Updated July 08, 2007

Recorded as GREGORY O'CONNOR, D.D.S.

🎓
Medical Taxonomy / Specialty Registered (Primary Specialty) July 08, 2007

Dentist (License #25282 in CA)

🟢
Initial NPI Registration & Enumeration January 30, 2006

First registered as active Individual Practitioner in NPPES Database.

Patient & Community Reviews

Verified patient ratings, medical care experiences, and facility photos

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NPI Administrative Meta

NPI Number: 1902877731
Entity Type:
Individual Provider Physician, Nurse Practitioner, or Solo Healthcare Professional (Type 1 NPI)
Enumeration Date: January 30, 2006
Last Update: July 13, 2026
Sole Proprietor: No

Mailing Address

3178 Collins Dr, Suite C

Merced, CA 953483132

Phone: 2093839222

Public Domain Record This profile contains public domain information published by CMS and NPPES under the Freedom of Information Act (FOIA).
⚠️ Medical Disclaimer

This directory listing is for informational purposes only and does not constitute medical advice, diagnosis, or physician endorsement. If you are experiencing a medical emergency, please call 911 immediately.