Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Boyoung Yen, PHARMD
Pharmacist in Fremont, CA · enumerated 2016.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1316398654
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Registry record
Entity type Individual (Type 1)
Name Dr. Boyoung Yen
Credential PHARMD
Sex Female
Practice address 159 Racoon Ct, Fremont, CA, 94539
Phone (925) 895-2567
Enumeration date Jun 28, 2016
Last updated in NPPES Jun 28, 2016
Taxonomy & licenses
PHARMD · Doctor of Pharmacy: A licensed pharmacist with a professional doctorate in pharmacy.
About the PHARMD 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 Boyoung Yen?
The National Provider Identifier (NPI) for Boyoung Yen is 1316398654, a Type 1 (individual) record in the CMS NPPES registry.
Where does Boyoung Yen practice?
The practice location on file with NPPES is in Fremont, 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 2016-06-28.