Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Deirdre Schwartz, FNP

Family Nurse Practitioner in Orchard Park, NY · enumerated 2007.

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

National Provider Identifier

1598899270

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Registry record

Entity type Individual (Type 1)

Name Deirdre Schwartz

Credential FNP

Sex Female

Practice address 3900 N Buffalo St, Orchard Park, NY, 14127

Phone (716) 630-1433

Fax (716) 817-1766

Enumeration date Mar 15, 2007

Last updated in NPPES Sep 25, 2019

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License F334544 (NY) Primary

FNP · Family Nurse Practitioner: A nurse practitioner certified in family practice across the lifespan. About the FNP credential

Other identifiers

Identifier	Type	State	Issuer
02640357	Medicaid	NY	-

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 Deirdre Schwartz?

The National Provider Identifier (NPI) for Deirdre Schwartz is 1598899270, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deirdre Schwartz practice?

The practice location on file with NPPES is in Orchard Park, 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 2019-09-25.