Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Sally Wu, OD
Optometrist in Sacramento, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1649935313
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Registry record
Entity type Individual (Type 1)
Name Sally Wu
Credential OD
Sex Female
Practice address 3160 J St, Sacramento, CA, 95816
Phone (916) 446-2020
Enumeration date Nov 7, 2021
Last updated in NPPES Nov 7, 2021
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
Is NPI 1649935313 active?
Yes, as of the latest NPPES snapshot, NPI 1649935313 is active (record last updated 2021-11-07).
How do I verify Sally Wu's NPI record?
Cross-check NPI 1649935313 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Other providers at this practice address
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-11-07.