Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Katherine Mcavoy, M.S. SPECIAL ED

Specialist in East Northport, NY · enumerated 2016.

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

National Provider Identifier

1720522147

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Registry record

Entity type Individual (Type 1)

Name Katherine Mcavoy

Credential M.S. SPECIAL ED

Sex Female

Practice address 229 Laurel Rd, East Northport, NY, 11731

Phone (631) 659-3337

Fax (631) 659-3338

Enumeration date Dec 5, 2016

Last updated in NPPES Mar 27, 2019

Taxonomy & licenses

174400000X Specialist Other 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Katherine Mcavoy practice?

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

What is the NPI number for Katherine Mcavoy?

The National Provider Identifier (NPI) for Katherine Mcavoy is 1720522147, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-03-27.