Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Elizabeth Jean Walls, ANP-BC

Adult Health Nurse Practitioner in Newark, DE · enumerated 2009.

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

National Provider Identifier

1659600039

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Registry record

Entity type Individual (Type 1)

Name Elizabeth Jean Walls

Credential ANP-BC

Sex Female

Practice address Building B-86, Omega Dr, Newark, DE, 19713

Phone (302) 366-7665

Fax (302) 366-0734

Enumeration date Dec 15, 2009

Last updated in NPPES Nov 8, 2016

Taxonomy & licenses

363LA2200X Adult Health Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License LB0000230 (DE) Primary

Other identifiers

Identifier	Type	State	Issuer
LB0000230	Other	DE	DE PROFESSIONAL LICENSE
1659600039	Medicaid	DE	-

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 Elizabeth Walls practice?

The practice location on file with NPPES is in Newark, DE. Providers can have multiple locations; NPPES lists the primary practice address.

What is the NPI number for Elizabeth Walls?

The National Provider Identifier (NPI) for Elizabeth Walls is 1659600039, a Type 1 (individual) record in the CMS NPPES registry.

Other providers at this practice address

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Leigh Anne Sibert Clinical Nurse Specialist · Newark, DE NPI 1386749901 Christina Dimarco Nurse Practitioner · Newark, DE NPI 1578703914 Michaelene Baker Urban Clinical Nurse Specialist · Newark, DE NPI 1518192640

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-11-08.