Arianna Spiller
NPI 1265185177 · Clinical Social Worker · Oxnard, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Arianna Spiller is a Clinical Social Worker provider in Oxnard, CA (NPI 1265185177).
Provider details
- NPI number
- 1265185177
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Sex
- Female
- Sole proprietor
- No
- License
- LCSW134242 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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)
- 200 S Wells Rd Ste 250Ventura, CA 93004-1383Phone: (805) 647-0991Fax: (805) 647-7163
Registry dates
- Enumerated
- 2022-01-31
- Last updated
- 2025-12-18
- Certified
- 2025-12-18
Frequently asked questions
- What is Arianna Spiller's NPI number?
- Arianna Spiller's National Provider Identifier (NPI) is 1265185177, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arianna Spiller's specialty?
- Arianna Spiller is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Arianna Spiller located?
- Arianna Spiller's practice location on file with NPPES is 1100 W Gonzales Rd, Oxnard, CA 93036-3336.
- What is Arianna Spiller's phone number?
- The practice phone number listed in the NPPES registry for Arianna Spiller is (805) 751-4765.
- Does Arianna Spiller accept Medicare?
- Arianna Spiller is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Arianna Spiller's NPI active?
- Yes — Arianna Spiller's NPI (1265185177) is active in the NPPES registry as of the last update on 2025-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.