Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

The Nemours Foundation

Pediatrics Physician in Seaford, DE · enumerated 2024 · authorized official Mark Mumford, Executive Vp, Coo.

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

National Provider Identifier

1295579233

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Registry record

Entity type Organization (Type 2)

Legal business name The Nemours Foundation

Practice address 900 S Arch St, Seaford, DE, 19973

Phone (302) 429-4000

Enumeration date Jun 24, 2024

Last updated in NPPES Jan 21, 2026

Taxonomy & classification

208000000X Pediatrics Physician Allopathic & Osteopathic Physicians Primary

Authorized official

Name Mark Mumford

Title Executive Vp, Coo

Phone (302) 651-6890

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 current is this record?

Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2026-01-21. Verify at npiregistry.cms.hhs.gov.

Where is The Nemours Foundation located?

The practice location on file with NPPES is in Seaford, DE.

Providers at this address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-01-21.