Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sean Challenger

Pediatric Dentistry in Shirley, NY · enumerated 2019.

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

National Provider Identifier

1861055246

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Registry record

Entity type Individual (Type 1)

Name Sean Challenger

Sex Male

Practice address 640 Montauk Hwy Ste C, Shirley, NY, 11967

Phone (631) 399-1600

Enumeration date Apr 21, 2019

Last updated in NPPES Sep 17, 2021

Taxonomy & licenses

1223P0221X Pediatric Dentistry Dental Providers · License 061984 (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

What is the NPI number for Sean Challenger?

The National Provider Identifier (NPI) for Sean Challenger is 1861055246, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sean Challenger practice?

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

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-09-17.