Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Karen Truong Tran, OD
Optometrist in Troutdale, OR · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1720357825
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Registry record
Entity type Individual (Type 1)
Name Karen Truong Tran
Credential OD
Sex Female
Practice address 24601 Se Stark St Ste 245, Troutdale, OR, 97060
Phone (503) 255-2291
Fax (503) 667-2432
Enumeration date Dec 19, 2011
Last updated in NPPES Feb 23, 2026
Taxonomy & licenses
OD · Doctor of Optometry: A licensed optometrist providing primary vision care, eye exams, and corrective lenses.
About the OD 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 Karen Tran practice?
The practice location on file with NPPES is in Troutdale, OR. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Karen Tran?
The National Provider Identifier (NPI) for Karen Tran is 1720357825, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-02-23.