David Liou, O.D.
Optometrist · Oakland, CA
David Liou, O.D. is an optometrist with a practice address in Oakland, California, and NPI 1811275522, issued on Jul 29, 2011. Check the license (California 14220, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- David Liou
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 14220 CA
Self-reported in NPPES; status is on the state search - Practice location
- 388 9TH St, Oakland, CA 94607
- Phone
- (510) 268-9600
- Enumerated
- Jul 29, 2011
- Record last updated
- Apr 15, 2013 (not updated in 13 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20120202000676); may accept Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2011
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 388 9TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify David Liou in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 14220Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Industry payments in 2024: $30.21
2 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Murrieta Optometry IncLivermore, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
David Liou among 8,308 optometrist records in California
David Liou, O.D. is one of 8,308 optometrist records with a practice address in California. 67% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2011, is newer than 61% of them.
- NPI issued2011 · 61% of these records are older, 36% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2011 · median 2008 among the 3,573 with a school on file
- Record last updated2013 · 67% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Optometrist providers in California
There are 8,308 optometrist records in California.
All 8,308 in California → Every provider in Oakland → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Avanti Ghanekar, O.D.Oakland, CA 946071730458076
- David Hoh, ODOakland, CA 946071528017621
- Lisa Kharrazi, O.D.Oakland, CA 946071043351083
- Eileen Lee, O.D.Oakland, CA 946071851355309
- Rebecca Lee, O.D.Oakland, CA 946071841642295
- Camellia Lee, ODOakland, CA 946071518697838
- Brittany Nguyen, O. D.Oakland, CA 946071184636433
- Elsa Pao, ODOakland, CA 946071932112612
Common questions
What is David Liou, O.D.'s NPI number?
David Liou, O.D.'s National Provider Identifier (NPI) is 1811275522, issued on Jul 29, 2011. An NPI identifies a provider in billing; it is not a license.
Where is David Liou, O.D. located?
The NPPES record lists a practice address at 388 9TH St, Oakland, CA, 94607. Phone: (510) 268-9600. Providers update this record themselves, so call before visiting.
How can I verify David Liou, O.D.'s license?
NPPES lists California license number 14220, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.