Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ellen T Nguyen, PHARM.D.
Pharmacist in San Ramon, CA · enumerated 2006.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1992863963
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Registry record
Entity type Individual (Type 1)
Name Ellen T Nguyen
Credential PHARM.D.
Sex Female
Practice address 2300 Camino Ramon, San Ramon, CA, 94583
Phone (925) 244-7316
Enumeration date Dec 4, 2006
Last updated in NPPES Nov 23, 2021
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
Where does Ellen Nguyen practice?
The practice location on file with NPPES is in San Ramon, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ellen Nguyen?
The National Provider Identifier (NPI) for Ellen Nguyen is 1992863963, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-23.