DR. MICHAEL THOMAS ONEILL DDS
NPI 1326261025
Dentist - General Practice in San Ramon, CA

Active since April 11, 2007
525 BOLLINGER CANYON WAY, SUITE 105, SAN RAMON, CA 94582(925) 735-3838(925) 735-3866 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 19, 2026.

About Dr. Michael Thomas Oneill Dds NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MICHAEL THOMAS ONEILL DDS (NPI 1326261025) is an individual general practice provider in San Ramon, California, licensed in California (27814) and active in the NPI registry since April 2007.

NPPES Registry Identity

NPI1326261025
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MICHAEL THOMAS ONEILLCredential: DDS
Location Address525 BOLLINGER CANYON WAY, SUITE 105San Ramon, CA 94582
Mailing Address525 Bollinger Canyon Way, Suite 105San Ramon, CA 94582 · (925) 735-3838 · Fax (925) 735-3866
Fax(925) 735-3866
Sole ProprietorNo
Enumeration DateApril 11, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1326261025 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in CA · 27814
Definition

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.

525 BOLLINGER CANYON WAY, San Ramon, CA 94582

Other Providers at the Same Location NPPES 5

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Dentist (General Practice)
525 BOLLINGER CANYON WAY, #100
SAN RAMON, CA 94582
Dentist
525 BOLLINGER CANYON WAY, SUITE 104
SAN RAMON, CA 94582
Dentist
525 BOLLINGER CANYON WAY, SUITE 100
SAN RAMON, CA 94582
Dentist (Periodontics)
525 BOLLINGER CANYON WAY, SUITE 103
SAN RAMON, CA 94582
Dentist
525 BOLLINGER CANYON WAY, STE. 100
SAN RAMON, CA 94582

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Michael Oneill's NPI number?

The NPI number for Michael Oneill is 1326261025. It was assigned to this individual provider in the NPPES registry on April 11, 2007.

Where is Michael Oneill located?

Michael Oneill practices at 525 Bollinger Canyon Way Suite 105, San Ramon, CA 94582. The listed phone number is (925) 735-3838.

What is Michael Oneill's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

When was this NPI record last updated?

The NPPES record for Michael Oneill was last updated on July 8, 2007. NPI Profile syncs with the weekly NPPES data releases published by CMS.