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Mr. Thomas Maher, NPP

Psychiatric/Mental Health Nurse Practitioner in Katonah, NY · enumerated 2025.

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

National Provider Identifier

1689563330

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Registry record

Entity type Individual (Type 1)
Name Mr. Thomas Maher
Credential NPP
Sex Male
Practice address 800 Cross River Rd, Katonah, NY, 10536
Phone (914) 763-8151
Enumeration date Jun 30, 2025
Last updated in NPPES Jun 30, 2025

Taxonomy & licenses

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 407210 (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.

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Frequently asked questions

What is the NPI number for Thomas Maher?
The National Provider Identifier (NPI) for Thomas Maher is 1689563330, a Type 1 (individual) record in the CMS NPPES registry.
Where does Thomas Maher practice?
The practice location on file with NPPES is in Katonah, NY. 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 2025-06-30.