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

Dr. Janet Cassidy

Mental Health Counselor in Hampton Bays, NY · enumerated 2022.

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

National Provider Identifier

1093463366

Verified

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Registry record

Entity type Individual (Type 1)

Name Dr. Janet Cassidy

Sex Female

Practice address Hampton Bays, NY, 11946

Phone (516) 901-1714

Enumeration date Mar 15, 2022

Last updated in NPPES Mar 15, 2022

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

Taxonomy & licenses

101YM0800X Mental Health Counselor Behavioral Health & Social Service Providers · License 012274 (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 Janet Cassidy?

The National Provider Identifier (NPI) for Janet Cassidy is 1093463366, a Type 1 (individual) record in the CMS NPPES registry.

Where does Janet Cassidy practice?

The practice location on file with NPPES is in Hampton Bays, 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 2022-03-15.