Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aaron D Clark, PT

Physical Therapist in Liverpool, NY · enumerated 2006 · practices at Liverpool Central School District.

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

National Provider Identifier

1508891607

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Registry record

Entity type Individual (Type 1)

Name Aaron D Clark

Credential PT

Sex Male

Practice address 195 Blackberry Rd, Liverpool, NY, 13090

Phone (315) 622-7900

Fax (315) 622-7144

Enumeration date Jul 11, 2006

Last updated in NPPES Sep 23, 2020

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 025303 (NY) Primary

PT · Physical Therapist: A licensed movement specialist treating injury and disability through exercise and rehabilitation. About the PT credential

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

Is NPI 1508891607 active?

Yes, as of the latest NPPES snapshot, NPI 1508891607 is active (record last updated 2020-09-23).

How do I verify Aaron Clark's NPI record?

Cross-check NPI 1508891607 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-09-23.