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Rooted Willow Psychiatry Pllc

Psychiatric/Mental Health Nurse Practitioner in Manassas, VA · enumerated 2024 · authorized official Lisa Poirier, Pmhnp Owner of Rooted Willow.

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

National Provider Identifier

1376366021

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Registry record

Entity type Organization (Type 2)
Legal business name Rooted Willow Psychiatry Pllc
Other name <Unavail>
Practice address 9255 Center St Ste 200, Manassas, VA, 20110
Phone (571) 536-2935
Fax (571) 376-6638
Enumeration date Nov 1, 2024
Last updated in NPPES Feb 5, 2025

Taxonomy & classification

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

Authorized official

Name Lisa Poirier
Title Pmhnp Owner of Rooted Willow
Phone (571) 536-2935

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 Rooted Willow Psychiatry Pllc?
NPPES lists Lisa Poirier (Pmhnp Owner of Rooted Willow) as the authorized official for this organization.
What is the NPI number for Rooted Willow Psychiatry Pllc?
The NPI for Rooted Willow Psychiatry Pllc is 1376366021, 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 2025-02-05.