Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ann M Willemsen-Dunlap, CRNA

Certified Registered Nurse Anesthetist in Peoria, IL · enumerated 2005.

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

National Provider Identifier

1699761726

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Registry record

Entity type Individual (Type 1)

Name Ann M Willemsen-Dunlap

Credential CRNA

Sex Female

Practice address 8600 State Route 91 Ste 250, Peoria, IL, 61615

Phone (309) 692-5394

Fax (309) 692-2538

Enumeration date Sep 23, 2005

Last updated in NPPES May 30, 2013

Taxonomy & licenses

367500000X Certified Registered Nurse Anesthetist Physician Assistants & Advanced Practice Nursing Providers · License D079522 (IA) Primary

CRNA · Certified Registered Nurse Anesthetist: An advanced practice nurse specializing in anesthesia care. About the CRNA credential

Other identifiers

Identifier	Type	State	Issuer
44812	Other	IA	WELLMARK BCBS
0172700	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.

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Frequently asked questions

What is the NPI number for Ann Willemsen-Dunlap?

The National Provider Identifier (NPI) for Ann Willemsen-Dunlap is 1699761726, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ann Willemsen-Dunlap practice?

The practice location on file with NPPES is in Peoria, IL. 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 2013-05-30.