Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Eugene A Guidarelli, PA

Physician Assistant in Schenectady, NY · enumerated 2006.

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

National Provider Identifier

1164452660

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Registry record

Entity type Individual (Type 1)

Name Eugene A Guidarelli

Credential PA

Sex Male

Practice address 600 Mcclellan St, Schenectady, NY, 12304

Phone (518) 382-2222

Enumeration date Jul 3, 2006

Last updated in NPPES Jun 16, 2008

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 003744-1 (NY) Primary

PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program. About the PA credential

Other identifiers

Identifier	Type	State	Issuer
02365891	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 Eugene Guidarelli?

The National Provider Identifier (NPI) for Eugene Guidarelli is 1164452660, a Type 1 (individual) record in the CMS NPPES registry.

Where does Eugene Guidarelli practice?

The practice location on file with NPPES is in Schenectady, 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 2008-06-16.