Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ann A Styx, APNP
Nurse Practitioner in Denmark, WI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1942355276
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Registry record
Entity type Individual (Type 1)
Name Ann A Styx
Credential APNP
Sex Female
Practice address 629 Solvang Way, Denmark, WI, 54208
Phone (920) 863-2600
Enumeration date Jan 25, 2007
Last updated in NPPES Mar 7, 2023
Taxonomy & licenses
363L00000X Nurse Practitioner Physician Assistants & Advanced Practice Nursing Providers · License 3029-033 (WI) Primary
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
What is the NPI number for Ann Styx?
The National Provider Identifier (NPI) for Ann Styx is 1942355276, a Type 1 (individual) record in the CMS NPPES registry.
Where does Ann Styx practice?
The practice location on file with NPPES is in Denmark, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Aurora Medical Group, Inc. Durable Medical Equipment & Medical Supplies · Denmark, WI NPI 1851463152 Cari Duffy-Sebero Nurse Practitioner · Denmark, WI NPI 1417241803 Timothy Hazard Nurse Practitioner · Denmark, WI NPI 1003199720 Baycare Clinic LLP Orthopaedic Surgery Physician · Denmark, WI NPI 1659704013
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-03-07.