Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Abigail Christine Castle

Behavior Analyst in New York, NY · enumerated 2020 · practices at Helping Hands Licensed Behavior Analyst, P.C..

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

National Provider Identifier

1346852357

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Registry record

Entity type Individual (Type 1)

Name Abigail Christine Castle

Sex Female

Practice address 40 Wall St Ste 2922, New York, NY, 10005

Phone (212) 512-0860

Enumeration date Aug 20, 2020

Last updated in NPPES Aug 10, 2026

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-25-85879 (NY) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Abigail Castle practice?

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

What is the NPI number for Abigail Castle?

The National Provider Identifier (NPI) for Abigail Castle is 1346852357, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Chana Tilson Behavior Analyst · New York, NY NPI 1336696251 Helping Hands Licensed Behavior Analyst, P.C. Community/Behavioral Health Agency · New York, NY NPI 1972186708

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-08-10.