Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Yan Dan Chen
Pharmacist in Hayward, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1437609435
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Registry record
Entity type Individual (Type 1)
Name Yan Dan Chen
Sex Female
Practice address 31091 Mission Blvd, Hayward, CA, 94544
Phone (510) 489-4581
Enumeration date Oct 13, 2016
Last updated in NPPES Oct 13, 2016
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 Yan Dan Chen practice?
The practice location on file with NPPES is in Hayward, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Yan Dan Chen?
The National Provider Identifier (NPI) for Yan Dan Chen is 1437609435, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all →Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-10-13.