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

Mrs. Geraldine P Flynn, RN

Psychiatric/Mental Health Registered Nurse in Harrison, NY · enumerated 2009.

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

National Provider Identifier

1558593426

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Registry record

Entity type Individual (Type 1)

Name Mrs. Geraldine P Flynn

Credential RN

Sex Female

Practice address Harrison, NY, 10528

Phone (914) 925-5211

Enumeration date Aug 11, 2009

Last updated in NPPES Aug 11, 2009

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

Taxonomy & licenses

163WP0808X Psychiatric/Mental Health Registered Nurse Nursing Service Providers · License 494962 (NY) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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

What is the NPI number for Geraldine Flynn?

The National Provider Identifier (NPI) for Geraldine Flynn is 1558593426, a Type 1 (individual) record in the CMS NPPES registry.

Where does Geraldine Flynn practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-08-11.