What is William O'Brien's NPI number?

William O'Brien's National Provider Identifier (NPI) is 1326125196, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is William O'Brien's specialty?

William O'Brien is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).

Where is William O'Brien located?

William O'Brien's practice location on file with NPPES is 217 Nassau St, Saint Peter, MN 56082-2055.

What is William O'Brien's phone number?

The practice phone number listed in the NPPES registry for William O'Brien is (507) 931-5646.

Is William O'Brien's NPI active?

Yes — William O'Brien's NPI (1326125196) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

William O'Brien, D.D.S.

NPI 1326125196 · Dentist · Saint Peter, MN

William O'Brien, D.D.S. is a Dentist provider in Saint Peter, MN (NPI 1326125196).

Provider details

NPI number: 1326125196
Entity type: Individual
Primary specialty: DentistDental Providers
Credential: D.D.S.
Sex: Male
Sole proprietor: No
License: 7835 (MN)

Specialties & taxonomies

DentistPrimary122300000XLicense 7835 (MN)
Dental Providers

Profile Score

Detailed profile(90/100 index)

A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.

Registry tenure38% of score
19 yrs in NPPES registry
Profile completeness38% of score
100% of core fields populated
Practice footprint23% of score
1 documented practice location

Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.

Practice location

217 Nassau St

Saint Peter, MN 56082-2055

Phone: (507) 931-5646

Fax: (507) 934-0148

Street-level locationGet directions

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Mailing address