Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Jillian Dearville

Behavior Technician in Winthrop, MA · enumerated 2020.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1427656594

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Registry record

Entity type Individual (Type 1)

Name Jillian Dearville

Sex Female

Practice address 52 Undine Ave, Winthrop, MA, 02152

Phone (617) 997-2812

Enumeration date Oct 12, 2020

Last updated in NPPES Oct 12, 2020

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Primary

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.

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Frequently asked questions

What is the NPI number for Jillian Dearville?

The National Provider Identifier (NPI) for Jillian Dearville is 1427656594, a Type 1 (individual) record in the CMS NPPES registry.

Where does Jillian Dearville practice?

The practice location on file with NPPES is in Winthrop, MA. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-10-12.