Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ms. Ariele Castro, MSW
Social Worker in Newark, DE · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1194582635
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Registry record
Entity type Individual (Type 1)
Name Ms. Ariele Castro
Credential MSW
Sex Female
Practice address 262 Chapman Rd Ste 203, Newark, DE, 19702
Phone (302) 689-3562
Fax (302) 294-1757
Enumeration date Mar 1, 2024
Last updated in NPPES Mar 1, 2024
Taxonomy & licenses
What is an NPI number?
A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.
Frequently asked questions
Is this the official NPI registry?
No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.
What specialty is Ariele Castro?
Ariele Castro is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-03-01.