Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Cassandra Paige Stapleton

Nurse Practitioner in Setauket, NY · enumerated 2025.

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

National Provider Identifier

1346122249

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Registry record

Entity type Individual (Type 1)

Name Cassandra Paige Stapleton

Sex X

Practice address 45 Research Way Ste 108, Setauket, NY, 11733

Phone (631) 941-2000

Enumeration date Jul 22, 2025

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 312334 (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.

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Frequently asked questions

Where does Cassandra Stapleton practice?

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

What is the NPI number for Cassandra Stapleton?

The National Provider Identifier (NPI) for Cassandra Stapleton is 1346122249, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-11.