IndividualActive
Karen Luu, RN
NPI 1043891856 · Emergency Registered Nurse · Redwood City, CA
Karen Luu, RN is a Emergency Registered Nurse provider in Redwood City, CA (NPI 1043891856).
Provider details
- NPI number
- 1043891856
- Entity type
- Individual
- Primary specialty
- Emergency Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 805255 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(62/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 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
1100 Veterans Blvd
Redwood City, CA 94063-2037
Phone: (415) 609-8694
Street-level locationGet directions
Mailing address
Po Box 591075
San Francisco, CA 94159-1075
Registry dates
- Enumerated
- 2021-04-14
- Last updated
- 2021-04-14
- Certified
- 2021-04-14
Frequently asked questions
- What is Karen Luu's NPI number?
- Karen Luu's National Provider Identifier (NPI) is 1043891856, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Luu's specialty?
- Karen Luu is listed in the NPPES registry with a primary specialty of Emergency Registered Nurse (Nursing Service Providers).
- Where is Karen Luu located?
- Karen Luu's practice location on file with NPPES is 1100 Veterans Blvd, Redwood City, CA 94063-2037.
- What is Karen Luu's phone number?
- The practice phone number listed in the NPPES registry for Karen Luu is (415) 609-8694.
- Is Karen Luu's NPI active?
- Yes — Karen Luu's NPI (1043891856) is active in the NPPES registry as of the last update on 2021-04-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.