Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Regina Co Thein Hsu, OD
Optometrist in La Canada, CA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1083912711
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Registry record
Entity type Individual (Type 1)
Name Regina Co Thein Hsu
Credential OD
Sex Female
Practice address 243 Starlight Crest Dr, La Canada, CA, 91011
Phone (818) 471-9566
Enumeration date Mar 4, 2011
Last updated in NPPES Mar 4, 2011
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 Regina Hsu practice?
The practice location on file with NPPES is in La Canada, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Regina Hsu?
The National Provider Identifier (NPI) for Regina Hsu is 1083912711, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2011-03-04.