Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Cathy A Polzin, RN
Registered Nurse in Green Bay, WI · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1821207606
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Registry record
Entity type Individual (Type 1)
Name Cathy A Polzin
Credential RN
Sex Female
Practice address 2845 Greenbrier Rd Ste 330, Green Bay, WI, 54311
Phone (920) 288-8350
Fax (920) 288-8355
Enumeration date May 21, 2007
Last updated in NPPES Sep 30, 2008
Taxonomy & licenses
RN · Registered Nurse: A nurse who completed an accredited nursing program and passed the NCLEX-RN licensure exam.
About the RN 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
What is the NPI number for Cathy Polzin?
The National Provider Identifier (NPI) for Cathy Polzin is 1821207606, a Type 1 (individual) record in the CMS NPPES registry.
Where does Cathy Polzin practice?
The practice location on file with NPPES is in Green Bay, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Mark Gardon Neurological Surgery Physician · Green Bay, WI NPI 1366470544 Amy Schott Nurse Practitioner · Green Bay, WI NPI 1538189816 Ruth Scheck Registered Nurse · Green Bay, WI NPI 1164434759 Lesley Bitters Registered Nurse · Green Bay, WI NPI 1730191586 James Dalebroux Registered Nurse · Green Bay, WI NPI 1720090582 Kelly Pagel Registered Nurse · Green Bay, WI NPI 1831344159 Michelle Tingley Registered Nurse · Green Bay, WI NPI 1356676985 Corrine Sauter Registered Nurse · Green Bay, WI NPI 1225334014
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-09-30.