Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Diem Tran
Pharmacist in Thousand Oaks, CA · enumerated 2017.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1174034045
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Registry record
Entity type Individual (Type 1)
Name Diem Tran
Sex Female
Practice address 215 W Janss Rd, Thousand Oaks, CA, 91360
Phone (805) 370-4551
Enumeration date Oct 19, 2017
Last updated in NPPES Oct 19, 2017
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 Diem Tran practice?
The practice location on file with NPPES is in Thousand Oaks, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Diem Tran?
The National Provider Identifier (NPI) for Diem Tran is 1174034045, 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 2017-10-19.