Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Deborah A. Sell-Holstein, RN

School Registered Nurse in Newark, DE · enumerated 2016 · practices at Las Americas Aspira Academy.

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

National Provider Identifier

1669831426

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Registry record

Entity type Individual (Type 1)

Name Deborah A. Sell-Holstein

Credential RN

Sex Female

Practice address 326 Ruthar Dr, Newark, DE, 19711

Phone (302) 292-1463

Fax (302) 292-1291

Enumeration date Feb 22, 2016

Last updated in NPPES Feb 22, 2016

Taxonomy & licenses

163WS0200X School Registered Nurse Nursing Service Providers · License L1-0019455 (DE) Primary

RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam. About the RN credential

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 Deborah Sell-Holstein?

The National Provider Identifier (NPI) for Deborah Sell-Holstein is 1669831426, a Type 1 (individual) record in the CMS NPPES registry.

Where does Deborah Sell-Holstein practice?

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

Other providers at this practice address

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Las Americas Aspira Academy Local Education Agency (LEA) · Newark, DE NPI 1174955736 Phyllis Peterson School Psychologist · Newark, DE NPI 1750125415

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-02-22.