Josefina Arreola, MSW, ASW
NPI 1427280841 · Clinical Social Worker · Lancaster, CA
Enrolled with Medicare as Practitioner - Clinical Social Worker · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Josefina Arreola, MSW, ASW is a Clinical Social Worker provider in Lancaster, CA (NPI 1427280841).
Provider details
- NPI number
- 1427280841
- Entity type
- Individual
- Primary specialty
- Clinical Social WorkerBehavioral Health & Social Service Providers
- Credential
- MSW, ASW
- Sex
- Female
- Sole proprietor
- No
- License
- ASW70690 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
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
16 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
Mailing address
Registry dates
- Enumerated
- 2009-08-18
- Last updated
- 2021-03-04
- Certified
- 2021-02-23
Frequently asked questions
- What is Josefina Arreola's NPI number?
- Josefina Arreola's National Provider Identifier (NPI) is 1427280841, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Josefina Arreola's specialty?
- Josefina Arreola is listed in the NPPES registry with a primary specialty of Clinical Social Worker (Behavioral Health & Social Service Providers).
- Where is Josefina Arreola located?
- Josefina Arreola's practice location on file with NPPES is 506 W Jackman St, Lancaster, CA 93534-2531.
- What is Josefina Arreola's phone number?
- The practice phone number listed in the NPPES registry for Josefina Arreola is (661) 726-2850.
- Does Josefina Arreola accept Medicare?
- Josefina Arreola is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Josefina Arreola's NPI active?
- Yes — Josefina Arreola's NPI (1427280841) is active in the NPPES registry as of the last update on 2021-03-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.