Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Sussex Np

Q: What is the NPI number for Sussex Np?

The NPI for Sussex Np is 1639007420, a Type 2 (organization) record in the CMS NPPES registry.

Primary Care Nurse Practitioner in Frankford, DE · enumerated 2026 · authorized official Cassandra Brosnahan, Owner.

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

National Provider Identifier

1639007420

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Registry record

Entity type Organization (Type 2)

Legal business name Sussex Np

Practice address 21209 Shell Station Rd, Frankford, DE, 19945

Phone (302) 381-9329

Fax (302) 406-1892

Enumeration date May 12, 2026

Last updated in NPPES May 12, 2026

Taxonomy & classification

363LP2300X Primary Care Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers Primary

Authorized official

Name Cassandra Brosnahan

Title Owner

Phone (302) 381-9329

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 is the NPI number for Sussex Np?

The NPI for Sussex Np is 1639007420, a Type 2 (organization) record in the CMS NPPES registry.

Who is the authorized official for Sussex Np?

NPPES lists Cassandra Brosnahan (Owner) as the authorized official for this organization.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-05-12.