Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
David Liou, O.D.
Optometrist in Oakland, CA · enumerated 2011.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811275522
See something wrong? Report a correction
Registry record
Entity type Individual (Type 1)
Name David Liou
Credential O.D.
Sex Male
Practice address 388 9th St, #157, Oakland, CA, 94607
Phone (510) 268-9600
Enumeration date Jul 29, 2011
Last updated in NPPES Apr 15, 2013
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 David Liou?
The National Provider Identifier (NPI) for David Liou is 1811275522, a Type 1 (individual) record in the CMS NPPES registry.
Where does David Liou practice?
The practice location on file with NPPES is in Oakland, CA. Providers can have multiple locations; NPPES lists the primary practice address.
Other providers at this practice address
Browse all → Edward Li Chiropractor · Oakland, CA NPI 1760563365 Ji Li General Practice Dentistry · Oakland, CA NPI 1902932569 Juehua Lin Acupuncturist · Oakland, CA NPI 1174648166 Oakland Pharmacy Inc Community/Retail Pharmacy · Oakland, CA NPI 1437308715 Li Chiropractic Center A Professional Corporation Chiropractor · Oakland, CA NPI 1518257146 Yicheng Ouyang Durable Medical Equipment & Medical Supplies · Oakland, CA NPI 1225457922 Lili Xu, DDS, Apc Dental Clinic/Center · Oakland, CA NPI 1821469610
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-04-15.