Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mrs. Marie Antoinette Whannel, ARNP

Pediatric Nurse Practitioner in Marshalltown, IA · enumerated 2006.

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

National Provider Identifier

1396821096

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Registry record

Entity type Individual (Type 1)

Name Mrs. Marie Antoinette Whannel

Credential ARNP

Sex Female

Practice address 412 E Church St, Marshalltown, IA, 50158

Phone (641) 753-4021

Fax (641) 753-4025

Enumeration date Oct 27, 2006

Last updated in NPPES Jul 9, 2007

Taxonomy & licenses

363LP0200X Pediatric Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License C044554 (IA) Primary

Other identifiers

Identifier	Type	State	Issuer
1222513	Medicaid	IA	-

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 Marie Whannel?

The National Provider Identifier (NPI) for Marie Whannel is 1396821096, a Type 1 (individual) record in the CMS NPPES registry.

Where does Marie Whannel practice?

The practice location on file with NPPES is in Marshalltown, IA. 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 2007-07-09.