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Mr. Walter Ellsworth Fasenmyer, CRNP

Adult Health Nurse Practitioner in Seneca, PA · enumerated 2022.

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

National Provider Identifier

1558079384

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Registry record

Entity type Individual (Type 1)
Name Mr. Walter Ellsworth Fasenmyer
Credential CRNP
Sex Male
Practice address 100 Fairfield Dr, Seneca, PA, 16346
Enumeration date Nov 10, 2022
Last updated in NPPES Nov 10, 2022

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License SP026575 (PA) 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 Walter Fasenmyer?
The National Provider Identifier (NPI) for Walter Fasenmyer is 1558079384, a Type 1 (individual) record in the CMS NPPES registry.
Where does Walter Fasenmyer practice?
The practice location on file with NPPES is in Seneca, PA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-11-10.