IndividualActive
Nancy Arellano
NPI 1053833459 · Ambulatory Care Registered Nurse · Los Angeles, CA
Nancy Arellano is a Ambulatory Care Registered Nurse provider in Los Angeles, CA (NPI 1053833459).
Provider details
- NPI number
- 1053833459
- Entity type
- Individual
- Primary specialty
- Ambulatory Care Registered NurseNursing Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 547922 (CA)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(70/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
8 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 N State St
Los Angeles, CA 90033-5000
Phone: (323) 409-8780
Fax: (323) 441-8137
Street-level locationGet directions
Mailing address
1100 N State St
Los Angeles, CA 90033-5000
Registry dates
- Enumerated
- 2017-07-07
- Last updated
- 2022-07-21
Frequently asked questions
- What is Nancy Arellano's NPI number?
- Nancy Arellano's National Provider Identifier (NPI) is 1053833459, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Nancy Arellano's specialty?
- Nancy Arellano is listed in the NPPES registry with a primary specialty of Ambulatory Care Registered Nurse (Nursing Service Providers).
- Where is Nancy Arellano located?
- Nancy Arellano's practice location on file with NPPES is 1100 N State St, Los Angeles, CA 90033-5000.
- What is Nancy Arellano's phone number?
- The practice phone number listed in the NPPES registry for Nancy Arellano is (323) 409-8780.
- Is Nancy Arellano's NPI active?
- Yes — Nancy Arellano's NPI (1053833459) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.