Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Allen Taing, OD
Optometrist in San Francisco, CA · enumerated 2025.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1659250819
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Registry record
Entity type Individual (Type 1)
Name Allen Taing
Credential OD
Sex Male
Practice address 450 10th St, San Francisco, CA, 94103
Phone (415) 437-1036
Enumeration date Aug 30, 2025
Last updated in NPPES Aug 30, 2025
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 Allen Taing practice?
The practice location on file with NPPES is in San Francisco, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Allen Taing?
The National Provider Identifier (NPI) for Allen Taing is 1659250819, a Type 1 (individual) record in the CMS NPPES registry.
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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-08-30.