Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Dr. Sally Oeung, O.D. INC.
Optometrist in Garden Grove, CA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1578843991
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Registry record
Entity type Individual (Type 1)
Name Dr. Sally Oeung
Credential O.D. INC.
Sex Female
Practice address 11822 Gilbert St, Garden Grove, CA, 92841
Phone (714) 636-8850
Fax (714) 636-8856
Enumeration date Aug 17, 2011
Last updated in NPPES Mar 17, 2015
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
Is NPI 1578843991 active?
Yes, as of the latest NPPES snapshot, NPI 1578843991 is active (record last updated 2015-03-17).
How do I verify Sally Oeung's NPI record?
Cross-check NPI 1578843991 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2015-03-17.