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

Ann Mastoloni Nelligan

Speech-Language Pathologist in Wayne, PA · enumerated 2020 · practices at Jan Blumenthal M.Ed,Lpc.

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

National Provider Identifier

1437766870

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Registry record

Entity type Individual (Type 1)
Name Ann Mastoloni Nelligan
Sex Female
Practice address Wayne, PA, 19087
Phone (610) 952-7777
Enumeration date Sep 29, 2020
Last updated in NPPES Sep 29, 2020

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

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License SL008075 (PA) Primary

Other identifiers

Identifier Type State Issuer
6109527777 Other PA PRIVATE PRACTICE

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 Ann Nelligan?
The National Provider Identifier (NPI) for Ann Nelligan is 1437766870, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ann Nelligan practice?
The practice location on file with NPPES is in Wayne, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-29.