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

Karen D Szewczyk, CNNP

Neonatal Nurse Practitioner in Oswego, NY · enumerated 2008.

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

National Provider Identifier

1447411210

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Registry record

Entity type Individual (Type 1)

Name Karen D Szewczyk

Credential CNNP

Sex Female

Practice address Oswego, NY, 13126

Phone (315) 349-5571

Fax (315) 349-5701

Enumeration date Jun 24, 2008

Last updated in NPPES Apr 17, 2017

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

Taxonomy & licenses

363LN0000X Neonatal Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 350124 (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 Karen Szewczyk?

The National Provider Identifier (NPI) for Karen Szewczyk is 1447411210, a Type 1 (individual) record in the CMS NPPES registry.

Where does Karen Szewczyk practice?

The practice location on file with NPPES is in Oswego, 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 2017-04-17.