IndividualActive
Karen Harrison, R. N.
NPI 1508084146 · Administrator Registered Nurse · Oakland, CA
Karen Harrison, R. N. is a Administrator Registered Nurse provider in Oakland, CA (NPI 1508084146).
Provider details
- NPI number
- 1508084146
- Entity type
- Individual
- Primary specialty
- Administrator Registered NurseNursing Service Providers
- Credential
- R. N.
- Sex
- Female
- Sole proprietor
- No
- License
- 456807 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Detailed profile(89/100 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
3124 International Blvd
Suite 200
Oakland, CA 94601-2902
Phone: (510) 535-4400
Fax: (510) 261-6438
Street-level locationGet directions
Mailing address
823 Via Poudre
San Lorenzo, CA 94580-3012
Registry dates
- Enumerated
- 2007-04-20
- Last updated
- 2007-07-08
Frequently asked questions
- What is Karen Harrison's NPI number?
- Karen Harrison's National Provider Identifier (NPI) is 1508084146, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Harrison's specialty?
- Karen Harrison is listed in the NPPES registry with a primary specialty of Administrator Registered Nurse (Nursing Service Providers).
- Where is Karen Harrison located?
- Karen Harrison's practice location on file with NPPES is 3124 International Blvd, Oakland, CA 94601-2902.
- What is Karen Harrison's phone number?
- The practice phone number listed in the NPPES registry for Karen Harrison is (510) 535-4400.
- Is Karen Harrison's NPI active?
- Yes — Karen Harrison's NPI (1508084146) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.