Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Kristin Ann Castle, MS, OTR/L

Occupational Therapist in New York, NY · enumerated 2008 · practices at Hospital for Joint Diseases.

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

National Provider Identifier

1851545339

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Registry record

Entity type Individual (Type 1)

Name Ms. Kristin Ann Castle

Credential MS, OTR/L

Sex Female

Practice address 545 1st Ave, New York, NY, 10016

Phone (212) 263-5694

Enumeration date Nov 10, 2008

Last updated in NPPES May 17, 2016

Taxonomy & licenses

225X00000X Occupational Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 015358 (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 Kristin 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 Kristin Castle?

The National Provider Identifier (NPI) for Kristin Castle is 1851545339, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-05-17.