Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Aaron M. Smith, PTA

Physical Therapy Assistant in Boonsboro, MD · enumerated 2017.

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

National Provider Identifier

1538687157

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Registry record

Entity type Individual (Type 1)

Name Mr. Aaron M. Smith

Credential PTA

Sex Male

Practice address 141 S. Main Street, Boonsboro, MD, 21713

Phone (301) 432-5457

Enumeration date Sep 4, 2017

Last updated in NPPES Sep 4, 2017

Taxonomy & licenses

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 002326 (WV) Secondary

225200000X Physical Therapy Assistant Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License A4578 (MD) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Is NPI 1538687157 active?

Yes, as of the latest NPPES snapshot, NPI 1538687157 is active (record last updated 2017-09-04).

How do I verify Aaron Smith's NPI record?

Cross-check NPI 1538687157 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-09-04.