What is Karen Brennan's NPI number?

Karen Brennan's National Provider Identifier (NPI) is 1265185573, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Karen Brennan's specialty?

Karen Brennan is listed in the NPPES registry with a primary specialty of Case Management Registered Nurse (Nursing Service Providers).

Where is Karen Brennan located?

Karen Brennan's practice location on file with NPPES is 1221 Broadway Fl 7, Oakland, CA 94612-1837.

What is Karen Brennan's phone number?

The practice phone number listed in the NPPES registry for Karen Brennan is (415) 972-4465.

Is Karen Brennan's NPI active?

Yes — Karen Brennan's NPI (1265185573) is active in the NPPES registry as of the last update on 2022-01-27.

IndividualActive

Karen Brennan

NPI 1265185573 · Case Management Registered Nurse · Oakland, CA

Karen Brennan is a Case Management Registered Nurse provider in Oakland, CA (NPI 1265185573).

Provider details

NPI number: 1265185573
Entity type: Individual
Primary specialty: Case Management Registered NurseNursing Service Providers
Sex: Female
Sole proprietor: Yes
License: RN443597 (CA)

Specialties & taxonomies

Case Management Registered NursePrimary163WC0400XLicense RN443597 (CA)
Nursing Service Providers

Profile Score

Established profile(61/100 index)

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

Registry tenure38% of score
4 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

1221 Broadway Fl 7

Oakland, CA 94612-1837

Phone: (415) 972-4465

Street-level locationGet directions

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Mailing address