Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Caroline Xiong
Pharmacist in Sunnyvale, CA · enumerated 2024.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1518773555
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Registry record
Entity type Individual (Type 1)
Name Caroline Xiong
Sex Female
Practice address 665 Blythe Ct Apt 35, Sunnyvale, CA, 94085
Phone (209) 761-6883
Enumeration date Dec 4, 2024
Last updated in NPPES Dec 4, 2024
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
Where does Caroline Xiong practice?
The practice location on file with NPPES is in Sunnyvale, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Caroline Xiong?
The National Provider Identifier (NPI) for Caroline Xiong is 1518773555, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-12-04.