NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Marcia Nichols, MS, LBSW

Social Worker in Newark, DE · enumerated 2025 · practices at A Window To Wellness, LLC.

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

National Provider Identifier

1225909450

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Registry record

Entity type Individual (Type 1)
Name Marcia Nichols
Credential MS, LBSW
Sex Female
Practice address Newark, DE, 19711
Phone (302) 689-3562
Enumeration date Sep 12, 2025
Last updated in NPPES Sep 12, 2025

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License Q3-0010248 (DE) Primary

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

What is the NPI number for Marcia Nichols?
The National Provider Identifier (NPI) for Marcia Nichols is 1225909450, a Type 1 (individual) record in the CMS NPPES registry.
Where does Marcia Nichols practice?
The practice location on file with NPPES is in Newark, DE. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-09-12.