Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Sonia Kim Kostura, O.D.
Optometrist in Trabuco Canyon, CA · enumerated 2007.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1598892630
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Registry record
Entity type Individual (Type 1)
Name Dr. Sonia Kim Kostura
Credential O.D.
Sex Female
Practice address 21612 Plano Trabuco Rd Ste C, Trabuco Canyon, CA, 92679
Phone (949) 459-5687
Fax (949) 459-5690
Enumeration date Feb 27, 2007
Last updated in NPPES Jul 8, 2007
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
What is the NPI number for Sonia Kostura?
The National Provider Identifier (NPI) for Sonia Kostura is 1598892630, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sonia Kostura practice?
The practice location on file with NPPES is in Trabuco Canyon, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Michael Kostura Optometrist · Trabuco Canyon, CA NPI 1700913829 Kostura Optometric Corp Primary Care Clinic/Center · Trabuco Canyon, CA NPI 1578181491 Ecs of Los Angeles I Optometry Corporation Optometrist · Trabuco Canyon, CA NPI 1356205652 Ecs of Los Angeles I Optometry Corporation Optometrist · Trabuco Canyon, CA NPI 1376402875
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.