Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Andrea Lynn Duncan, NP

Nurse Practitioner in Ann Arbor, MI · enumerated 2006.

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

National Provider Identifier

1124197231

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Registry record

Entity type Individual (Type 1)

Name Mrs. Andrea Lynn Duncan

Credential NP

Sex Female

Practice address 1500 E Medical Center Dr, Ann Arbor, MI, 48109

Phone (734) 936-4000

Enumeration date Nov 6, 2006

Last updated in NPPES Jun 17, 2019

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704190913 (MI) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 4704190913 (MI) 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

Where does Andrea Duncan practice?

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

What is the NPI number for Andrea Duncan?

The National Provider Identifier (NPI) for Andrea Duncan is 1124197231, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-06-17.