Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Shirley Wu
Pharmacist in Walnut, CA · enumerated 2020.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720690936
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Registry record
Entity type Individual (Type 1)
Name Shirley Wu
Sex Female
Practice address 20732 Fuero Dr, Walnut, CA, 91789
Phone (626) 278-2061
Enumeration date Aug 19, 2020
Last updated in NPPES Aug 19, 2020
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 Shirley Wu?
The National Provider Identifier (NPI) for Shirley Wu is 1720690936, a Type 1 (individual) record in the CMS NPPES registry.
Where does Shirley Wu practice?
The practice location on file with NPPES is in Walnut, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2020-08-19.