Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Madeline Elizabeth Diana

Speech-Language Pathologist in Hilton Head Island, SC · enumerated 2026 · practices at Ash Services.

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

National Provider Identifier

1255257465

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)

Name Madeline Elizabeth Diana

Sex Female

Practice address 1536 Fording Island Rd Ste 105, Hilton Head Island, SC, 29926

Phone (843) 837-2080

Enumeration date Jun 24, 2026

Last updated in NPPES Jul 27, 2026

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License SLP.9719 (SC) 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

Where does Madeline Diana practice?

The practice location on file with NPPES is in Hilton Head Island, SC. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Madeline Diana?

The National Provider Identifier (NPI) for Madeline Diana is 1255257465, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-27.