Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Michelle Guenther, NP
Nurse Practitioner in Hartford, WI · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1285206201
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Registry record
Entity type Individual (Type 1)
Name Michelle Guenther
Credential NP
Sex Female
Practice address 1640 E Sumner St, Hartford, WI, 53027
Phone (262) 670-4000
Fax (262) 670-4451
Enumeration date Jul 12, 2021
Last updated in NPPES Aug 19, 2024
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 11168 (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 |
|---|---|---|---|
| 100178445 | Medicaid | WI | - |
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.
Frequently asked questions
Where does Michelle Guenther practice?
The practice location on file with NPPES is in Hartford, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Michelle Guenther?
The National Provider Identifier (NPI) for Michelle Guenther is 1285206201, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Christopher Garvey Otolaryngology Physician · Hartford, WI NPI 1780679795 Michael Long Family Medicine Physician · Hartford, WI NPI 1053383646 Aurora Pharmacy, Inc. Community/Retail Pharmacy · Hartford, WI NPI 1538107842 Britta Braden Physician Assistant · Hartford, WI NPI 1083650709 James Bencivenga Occupational Medicine Physician · Hartford, WI NPI 1659304434 Megan Tkachuk Family Medicine Physician · Hartford, WI NPI 1790719086 Aurora Health Care Ventures, Inc. Eyewear Supplier · Hartford, WI NPI 1447270889 Scott Kenitz Optometrist · Hartford, WI NPI 1871516310
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-08-19.