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

Ashley Guinan

Physician Assistant in Winchester, VA · enumerated 2026.

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

National Provider Identifier

1134086606

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Registry record

Entity type Individual (Type 1)
Name Ashley Guinan
Sex Female
Practice address Winchester, VA, 22601
Enumeration date Jan 7, 2026
Last updated in NPPES Jan 7, 2026

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

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers 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 Ashley Guinan?
The National Provider Identifier (NPI) for Ashley Guinan is 1134086606, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ashley Guinan practice?
The practice location on file with NPPES is in Winchester, VA. 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 2026-01-07.