Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Jill M Guenther, PA
Physician Assistant in Madison, WI · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1770548489
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name Jill M Guenther
Credential PA
Sex Female
Practice address 600 Highland Ave, Madison, WI, 53792
Phone (608) 263-7540
Fax (608) 265-6526
Enumeration date Apr 18, 2006
Last updated in NPPES Feb 12, 2021
Taxonomy & licenses
363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 1618-23 (WI) Primary
PA · Physician Assistant: A licensed clinician who practices medicine in collaboration with physicians, trained in a graduate PA program.
About the PA credential
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 Jill Guenther practice?
The practice location on file with NPPES is in Madison, WI. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Jill Guenther?
The National Provider Identifier (NPI) for Jill Guenther is 1770548489, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Christina Morganti Orthopaedic Surgery Physician · Madison, WI NPI 1245232420 Janet Robillard Medical Physician Assistant · Madison, WI NPI 1659375046 Chris Konstantinou Cardiovascular Disease Physician · Madison, WI NPI 1346246162 Susan Rebsamen Neuroradiology Physician · Madison, WI NPI 1871590422 Dan Gralnek Urology Physician · Madison, WI NPI 1811995319 Yonker Wang Diagnostic Radiology Physician · Madison, WI NPI 1033117494 Frederick Heiden Anesthesiology Physician · Madison, WI NPI 1982603957 Dawn Ledbetter Anesthesiology Physician · Madison, WI NPI 1750381323
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-12.