Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Christopher Chiarelli

Behavior Analyst in Port Jefferson Station, NY · enumerated 2023.

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

National Provider Identifier

1780362996

Verified

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Registry record

Entity type Individual (Type 1)

Name Christopher Chiarelli

Sex Male

Practice address Port Jefferson Station, NY, 11776

Phone (631) 813-5397

Enumeration date Jul 7, 2023

Last updated in NPPES Jul 7, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

253Z00000X In Home Supportive Care Agency Agencies Secondary

103K00000X Behavior Analyst Behavioral Health & Social Service Providers 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

What is the NPI number for Christopher Chiarelli?

The National Provider Identifier (NPI) for Christopher Chiarelli is 1780362996, a Type 1 (individual) record in the CMS NPPES registry.

Where does Christopher Chiarelli practice?

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

Other providers at this practice address

Browse all →

Diana Spagnola Speech-Language Pathologist · Port Jefferson Station, NY NPI 1023155512 Jesenia Gonzalez Speech-Language Pathologist · Port Jefferson Station, NY NPI 1760635734 New York Therapy Placement Services Inc. Early Intervention Provider Agency · Port Jefferson Station, NY NPI 1558507210 Kerri-Ann Daly Behavior Analyst · Port Jefferson Station, NY NPI 1740418755 Lydia Avallone-Balfour Speech-Language Pathologist · Port Jefferson Station, NY NPI 1487963682 Diana Vale Speech-Language Pathologist · Port Jeff Sta, NY NPI 1205179785 Christina Rea Day Training/Habilitation Specialist · Port Jefferson Station, NY NPI 1306234984 Tammy Said Speech-Language Pathologist · Port Jefferson Station, NY NPI 1003274085

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-07-07.