Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Bonnie Hwang, OD
Optometrist in San Leandro, CA · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1679237150
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Registry record
Entity type Individual (Type 1)
Name Bonnie Hwang
Credential OD
Sex Female
Practice address 276 Dolores Ave Ste 300, San Leandro, CA, 94577
Phone (800) 339-2733
Fax (510) 357-6330
Enumeration date Oct 29, 2021
Last updated in NPPES Jun 10, 2024
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 Bonnie Hwang?
The National Provider Identifier (NPI) for Bonnie Hwang is 1679237150, a Type 1 (individual) record in the CMS NPPES registry.
Where does Bonnie Hwang practice?
The practice location on file with NPPES is in San Leandro, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2024-06-10.