Christian Castellanos
NPI 1346027828 · Physician Assistant · Oxnard, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Christian Castellanos is a Physician Assistant provider in Oxnard, CA (NPI 1346027828).
Provider details
- NPI number
- 1346027828
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- No
- License
- PA66452 (CA)
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
2 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 3901 Las Posas Rd Ste 4Camarillo, CA 93010-1502Phone: (805) 585-5166Fax: (805) 383-1786
Registry dates
- Enumerated
- 2023-09-11
- Last updated
- 2025-06-25
- Certified
- 2025-06-25
Frequently asked questions
- What is Christian Castellanos's NPI number?
- Christian Castellanos's National Provider Identifier (NPI) is 1346027828, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Christian Castellanos's specialty?
- Christian Castellanos is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Christian Castellanos located?
- Christian Castellanos's practice location on file with NPPES is 2221 Wankel Way, Oxnard, CA 93030-0192.
- What is Christian Castellanos's phone number?
- The practice phone number listed in the NPPES registry for Christian Castellanos is (805) 988-9366.
- Does Christian Castellanos accept Medicare?
- Christian Castellanos is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Christian Castellanos's NPI active?
- Yes — Christian Castellanos's NPI (1346027828) is active in the NPPES registry as of the last update on 2025-06-25.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.