Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Toni Marie Grosso, M.S. ED

Specialist in Thornwood, NY · enumerated 2023.

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

National Provider Identifier

1184303588

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Registry record

Entity type Individual (Type 1)

Name Toni Marie Grosso

Credential M.S. ED

Sex Female

Practice address 110 Westchester Ave, Thornwood, NY, 10594

Phone (914) 879-3262

Enumeration date Jul 13, 2023

Last updated in NPPES Jul 13, 2023

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 986258 (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 Toni Marie Grosso?

The National Provider Identifier (NPI) for Toni Marie Grosso is 1184303588, a Type 1 (individual) record in the CMS NPPES registry.

Where does Toni Marie Grosso practice?

The practice location on file with NPPES is in Thornwood, 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 2023-07-13.