Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sara Marshall, APNP

Nurse Practitioner in Monona, WI · enumerated 2018.

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

National Provider Identifier

1538631940

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Registry record

Entity type Individual (Type 1)

Name Sara Marshall

Credential APNP

Sex Female

Practice address 6408 Copps Ave, Monona, WI, 53716

Phone (608) 417-3000

Fax (608) 417-3100

Enumeration date Dec 24, 2018

Last updated in NPPES Jan 28, 2019

Taxonomy & licenses

163W00000X Registered Nurse Nursing Service Providers · License 157426 (WI) Secondary

390200000X Student in an Organized Health Care Education/Training Program Student, Health Care Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 9017-33 (WI) 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.

Read the full guide → Validate an NPI →

Frequently asked questions

How do I verify Sara Marshall's NPI record?

Cross-check NPI 1538631940 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1538631940 active?

Yes, as of the latest NPPES snapshot, NPI 1538631940 is active (record last updated 2019-01-28).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-01-28.