Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Nancy Mcalduff, NP

Family Nurse Practitioner in Eldersburg, MD · enumerated 2023.

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

National Provider Identifier

1669156774

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Registry record

Entity type Individual (Type 1)

Name Nancy Mcalduff

Credential NP

Sex Female

Practice address 6190 Georgetown Blvd, Eldersburg, MD, 21784

Phone (410) 552-5050

Fax (410) 552-0200

Enumeration date Jun 12, 2023

Last updated in NPPES Apr 4, 2024

Taxonomy & licenses

363LF0000X Family Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R206618 (MD) Primary

NP · Nurse Practitioner: An advanced practice registered nurse with graduate training, licensed to diagnose and treat, often with prescriptive authority. About the NP 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 Nancy Mcalduff?

The National Provider Identifier (NPI) for Nancy Mcalduff is 1669156774, a Type 1 (individual) record in the CMS NPPES registry.

Where does Nancy Mcalduff practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-04-04.