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Marie E Mercure Nurse Practitioner in Psychiatry Pllc

Psychiatric/Mental Health Nurse Practitioner in Hempstead, NY · enumerated 2025 · authorized official Marie Mercure, Owner.

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

National Provider Identifier

1689488405

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Registry record

Entity type Organization (Type 2)
Legal business name Marie E Mercure Nurse Practitioner in Psychiatry Pllc
Practice address 231 Holly Ave, Hempstead, NY, 11550
Phone (347) 356-1734
Enumeration date Feb 3, 2025
Last updated in NPPES Feb 3, 2025

Taxonomy & classification

363LP0808X Psychiatric/Mental Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Marie Mercure
Title Owner
Phone (347) 356-1734

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

Who is the authorized official for Marie E Mercure Nurse Practitioner in Psychiatry Pllc?
NPPES lists Marie Mercure (Owner) as the authorized official for this organization.
What is the NPI number for Marie E Mercure Nurse Practitioner in Psychiatry Pllc?
The NPI for Marie E Mercure Nurse Practitioner in Psychiatry Pllc is 1689488405, a Type 2 (organization) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-02-03.