IndividualActive
Justin Castellanos, RN
NPI 1265363519 · Registered Nurse · Anchorage, AK
Justin Castellanos, RN is a Registered Nurse provider in Anchorage, AK (NPI 1265363519).
Provider details
- NPI number
- 1265363519
- Entity type
- Individual
- Primary specialty
- Registered NurseNursing Service Providers
- Credential
- RN
- Sex
- Male
- Sole proprietor
- No
- License
- 142447 (AK)
Specialties & taxonomies
Nursing Service Providers
Profile Score
Established profile(53/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
225 Eagle St
Anchorage, AK 99501-2626
Phone: (907) 729-6550
Street-level locationGet directions
Mailing address
7033 E Tudor Rd
Anchorage, AK 99507-1262
Registry dates
- Enumerated
- 2026-05-26
- Last updated
- 2026-05-26
- Certified
- 2026-05-26
Frequently asked questions
- What is Justin Castellanos's NPI number?
- Justin Castellanos's National Provider Identifier (NPI) is 1265363519, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justin Castellanos's specialty?
- Justin Castellanos is listed in the NPPES registry with a primary specialty of Registered Nurse (Nursing Service Providers).
- Where is Justin Castellanos located?
- Justin Castellanos's practice location on file with NPPES is 225 Eagle St, Anchorage, AK 99501-2626.
- What is Justin Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Justin Castellanos is (907) 729-6550.
- Is Justin Castellanos's NPI active?
- Yes — Justin Castellanos's NPI (1265363519) is active in the NPPES registry as of the last update on 2026-05-26.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.