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

Erin Leatherman, PT, DPT

Physical Therapist in Timonium, MD · enumerated 2018 · practices at Ati Holdings, LLC.

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

National Provider Identifier

1700353430

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Registry record

Entity type Individual (Type 1)
Name Erin Leatherman
Credential PT, DPT
Sex Female
Practice address Timonium, MD, 21093
Phone (443) 921-9890
Fax (410) 252-4590
Enumeration date Oct 31, 2018
Last updated in NPPES Nov 23, 2019

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

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 2305212329 (VA) Secondary
225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 27511 (MD) 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.

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Frequently asked questions

How do I verify Erin Leatherman's NPI record?
Cross-check NPI 1700353430 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1700353430 active?
Yes, as of the latest NPPES snapshot, NPI 1700353430 is active (record last updated 2019-11-23).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-23.