Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Katherine Gnan, RPH
Pharmacist in Wisconsin Rapids, WI · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1639843774
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Registry record
Entity type Individual (Type 1)
Name Dr. Katherine Gnan
Credential RPH
Sex Female
Practice address 4331 8th St S, Wisconsin Rapids, WI, 54494
Phone (715) 423-8500
Enumeration date Aug 3, 2021
Last updated in NPPES Aug 3, 2021
Taxonomy & licenses
RPH · Registered Pharmacist: A licensed pharmacist registered with a state board of pharmacy.
About the RPH 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 Katherine Gnan?
The National Provider Identifier (NPI) for Katherine Gnan is 1639843774, a Type 1 (individual) record in the CMS NPPES registry.
Where does Katherine Gnan practice?
The practice location on file with NPPES is in Wisconsin Rapids, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Wal-Mart Stores East Lp Community/Retail Pharmacy · Wisconsin Rapids, WI NPI 1508884206 Wal-Mart Stores East, Lp Eyewear Supplier · Wisconsin Rapids, WI NPI 1922182559 Karen Mcclyman-Tischer Pharmacist · Wisconsin Rapids, WI NPI 1073112926 James Tischer Pharmacist · Wisconsin Rapids, WI NPI 1013509116 Erin Silber Optician · Wisconsin Rapids, WI NPI 1710678701 Brooke Kruppe Pharmacist · Wisconsin Rapids, WI NPI 1003789686
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-03.