Julian Castanon, PA
NPI 1538886874 · Physician Assistant · Castle Rock, CO
Julian Castanon, PA is a Physician Assistant provider in Castle Rock, CO (NPI 1538886874).
Provider details
- NPI number
- 1538886874
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 yrs in NPPES registry
- Profile completeness38% of score
83% 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
- 2022-10-27
- Last updated
- 2022-10-27
- Certified
- 2022-10-27
Frequently asked questions
- What is Julian Castanon's NPI number?
- Julian Castanon's National Provider Identifier (NPI) is 1538886874, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Julian Castanon's specialty?
- Julian Castanon is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Julian Castanon located?
- Julian Castanon's practice location on file with NPPES is 422 Elbert St Ste B, Castle Rock, CO 80104-2411.
- What is Julian Castanon's phone number?
- The practice phone number listed in the NPPES registry for Julian Castanon is (915) 319-2763.
- Is Julian Castanon's NPI active?
- Yes — Julian Castanon's NPI (1538886874) is active in the NPPES registry as of the last update on 2022-10-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.