Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Dawn Chirichella-Besemer, PSYD

Psychologist in Syosset, NY · enumerated 2006.

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

National Provider Identifier

1134161722

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Registry record

Entity type Individual (Type 1)

Name Dr. Dawn Chirichella-Besemer

Credential PSYD

Sex Female

Practice address 525 Convent Rd, Syosset, NY, 11791

Phone (516) 921-0808

Enumeration date Jun 11, 2006

Last updated in NPPES May 2, 2019

Taxonomy & licenses

103T00000X Psychologist Behavioral Health & Social Service Providers · License 017081 (NY) Secondary

103T00000X Psychologist Behavioral Health & Social Service Providers · License P44956 (NY) Primary

PSYD · Doctor of Psychology: A clinical doctorate in psychology focused on professional practice. About the PSYD credential

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 specialty is Dawn Chirichella-Besemer?

Dawn Chirichella-Besemer is registered in NPPES with the primary taxonomy of Psychologist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-05-02.