Ellen Lum, RN
NPI 1619174869 · Community Health Registered Nurse · San Francisco, CA
Ellen Lum, RN is a Community Health Registered Nurse provider in San Francisco, CA (NPI 1619174869).
Provider details
- NPI number
- 1619174869
- Entity type
- Individual
- Primary specialty
- Community Health Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Female
- Sole proprietor
- No
- License
- 344137 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
Mailing address
Registry dates
- Enumerated
- 2007-06-29
- Last updated
- 2007-07-08
Frequently asked questions
- What is Ellen Lum's NPI number?
- Ellen Lum's National Provider Identifier (NPI) is 1619174869, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ellen Lum's specialty?
- Ellen Lum is listed in the NPPES registry with a primary specialty of Community Health Registered Nurse (Nursing Service Providers).
- Where is Ellen Lum located?
- Ellen Lum's practice location on file with NPPES is 1520 Stockton St, San Francisco, CA 94133-3354.
- What is Ellen Lum's phone number?
- The practice phone number listed in the NPPES registry for Ellen Lum is (415) 391-9686.
- Is Ellen Lum's NPI active?
- Yes — Ellen Lum's NPI (1619174869) 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.