Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Siok-Hiok Siau
Pharmacist in West Bend, WI · enumerated 2013.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1790121630
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Registry record
Entity type Individual (Type 1)
Name Siok-Hiok Siau
Sex Female
Practice address 1710 S Main St, West Bend, WI, 53095
Phone (262) 338-0222
Fax (262) 338-3505
Enumeration date May 20, 2013
Last updated in NPPES May 20, 2013
Taxonomy & licenses
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 Siok-Hiok Siau?
The National Provider Identifier (NPI) for Siok-Hiok Siau is 1790121630, a Type 1 (individual) record in the CMS NPPES registry.
Where does Siok-Hiok Siau practice?
The practice location on file with NPPES is in West Bend, WI. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-05-20.