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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

SUSSEX NP LLC
NPI 1639007420
Nurse Practitioner - Primary Care in Frankford, DE

Active since May 12, 2026
21209 SHELL STATION RD, FRANKFORD, DE 19945(302) 381-9329(302) 406-1892 Get Directions Write a Review

NPPES record last updated: October 20, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Sussex Np Llc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

SUSSEX NP LLC (NPI 1639007420) is a healthcare organization registered as a primary care in Frankford, Delaware and active in the NPI registry since May 2026. The organization maintains a secondary practice location in Millsboro and lists Cassandra A Brosnahan, Owner, as its authorized official.

NPPES Registry Identity

NPI1639007420
Entity TypeOrganization
Primary Taxonomy363LP2300X
Legal Business NameSUSSEX NP LLC
Location Address21209 SHELL STATION RDFrankford, DE 19945-2457
Mailing Address21209 Shell Station RdFrankford, DE 19945-2457 · (302) 381-9329 · Fax (302) 406-1892
Phone(302) 381-9329
Fax(302) 406-1892
Organization SubpartNo
Authorized OfficialCassandra A BrosnahanOwner · (302) 381-9329
Enumeration DateMay 12, 2026
Last NPPES UpdateOctober 20, 2026
NPPES CertifiedOctober 20, 2026
✔ NPI 1639007420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Primary CarePhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP2300X
21209 SHELL STATION RD, Frankford, DE 19945
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Secondary Practice Location 1

Location 130240 DuPont Blvd Unit 3Millsboro, DE 19966-3730 · Phone (302) 321-5611 · Fax (302) 406-1892

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include AmeriHealth Caritas Next.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 08D2269200

Sussex Np, LLC · Frankford, DE
Expired · Sep 21, 2026
CLIA Number08D2269200
Laboratory TypePhysician Office
Certificate Effective DateSeptember 22, 2024
Certificate Expiration DateSeptember 21, 2026
Laboratory DirectorCassandra A. Brosnahan
Laboratory Phone(302) 381-9329
Laboratory LocationSussex Np, LLC21209 Shell Station Road, Frankford, DE 19945
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Sussex Np LLC's NPI number?

The NPI number for Sussex Np LLC is 1639007420. It was assigned to this organization in the NPPES registry on May 12, 2026.

Where is Sussex Np LLC located?

Sussex Np LLC is located at 21209 Shell Station Rd, Frankford, DE 19945. The listed phone number is (302) 381-9329.

What is Sussex Np LLC's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Primary Care, with taxonomy code 363LP2300X.

What insurance does Sussex Np LLC accept?

Health plans from AmeriHealth Caritas Next list Sussex Np LLC as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Sussex Np LLC was last updated on October 20, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.