What is Michael Obrien's NPI number?

Michael Obrien's National Provider Identifier (NPI) is 1538563010, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Obrien's specialty?

Michael Obrien is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).

Where is Michael Obrien located?

Michael Obrien's practice location on file with NPPES is 6382 Horseshoe Bar Rd, Loomis, CA 95650-9706.

What is Michael Obrien's phone number?

The practice phone number listed in the NPPES registry for Michael Obrien is (916) 607-9868.

Is Michael Obrien's NPI active?

Yes — Michael Obrien's NPI (1538563010) is active in the NPPES registry as of the last update on 2014-10-13.

IndividualActive

Michael Obrien, RN

NPI 1538563010 · Registered Nurse · Loomis, CA

Michael Obrien, RN is a Registered Nurse provider in Loomis, CA (NPI 1538563010).

Provider details

NPI number: 1538563010
Entity type: Individual
Primary specialty: Registered NurseNursing Service Providers
Credential: RN
Sex: Male
Sole proprietor: Yes
License: 494829 (CA)

Specialties & taxonomies

Registered NursePrimary163W00000XLicense 494829 (CA)
Nursing Service Providers

Profile Score

Detailed profile(75/100 index)

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

Registry tenure38% of score
11 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

6382 Horseshoe Bar Rd

Loomis, CA 95650-9706

Phone: (916) 607-9868

Street-level locationGet directions

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Mailing address