Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Donna M. Leddy, RPT

Physical Therapist in Southbury, CT · enumerated 2006.

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

National Provider Identifier

1043300338

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Registry record

Entity type Individual (Type 1)

Name Mrs. Donna M. Leddy

Credential RPT

Sex Female

Practice address 385 Main St S, Suite 212, Southbury, CT, 06488

Phone (203) 262-4603

Enumeration date Oct 15, 2006

Last updated in NPPES Jul 3, 2018

Taxonomy & licenses

225100000X Physical Therapist Respiratory, Developmental, Rehabilitative and Restorative Service Providers · License 004691 (CT) 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

What specialty is Donna Leddy?

Donna Leddy is registered in NPPES with the primary taxonomy of Physical Therapist. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-07-03.