Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Denise Z. Toperzer, NP

Nurse Practitioner in Eau Claire, WI · enumerated 2006.

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

National Provider Identifier

1598842312

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Registry record

Entity type Individual (Type 1)

Name Denise Z. Toperzer

Credential NP

Sex Female

Practice address 2116 Craig Rd, Eau Claire, WI, 54701

Phone (715) 858-4500

Enumeration date Nov 1, 2006

Last updated in NPPES Jan 24, 2013

Taxonomy & licenses

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License R 1254787 (MN) Secondary

363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 5214 (WI) 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

Other identifiers

Identifier	Type	State	Issuer
872713900	Medicaid	MN	-

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 Denise Toperzer?

The National Provider Identifier (NPI) for Denise Toperzer is 1598842312, a Type 1 (individual) record in the CMS NPPES registry.

Where does Denise Toperzer practice?

The practice location on file with NPPES is in Eau Claire, WI. 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 2013-01-24.