Alex Corbin Liu, O.D.
Optometrist · Rowland Heights, CA
Alex Corbin Liu, O.D. is an optometrist with a practice address in Rowland Heights, California, and NPI 1790795318, issued on Aug 8, 2006. Check the license (California 12329T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Alex Corbin Liu
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 12329T CA
Self-reported in NPPES; status is on the state search - Practice location
- 19735 Colima RD, Rowland Heights, CA 91748
- Phone
- (909) 468-4622
- Enumerated
- Aug 8, 2006
- Record last updated
- Dec 26, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (909) 468-4603
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Also registered at 19735 Colima RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Andrew Liu, O.D.Optometrist1881982981
Verify Alex Corbin Liu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 12329TCheck 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: $2,650.01
8 payments; by number, the most common kind was food and beverage; the largest payer was RxSight 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.
Alex Corbin Liu among 8,308 optometrist records in California
Alex Corbin Liu, 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 2006, is newer than 6% of them.
- NPI issued2006 · 6% of these records are older, 66% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileNo · 43% of these records are
- Record last updated2012 · 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).
23 optometrist records list a practice address in Rowland Heights
They are 23 of the 816 NPPES records with a practice address in Rowland Heights, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in Rowland Heights → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Jeanne Angeo, O.D.City Of Industry, CA 917481912090051
- Vincent Chen, O.D.Rowland Heights, CA 917481992839245
- Samuel Huang, O.D.Rowland Heights, CA 917481295762813
- Dennis Jhee, O.DRowland Heights, CA 917481912026980
- Wei Kao, O.D.Rowland Heights, CA 917481447414180
- Heejung Koh, O.D.Rowland Heights, CA 917481619035870
- Lillian Mayberry, O.D.City Of Industry, CA 917481447396338
- Steve Penn, O.D.Rowland Heights, CA 917481942454749
Common questions
What is Alex Corbin Liu, O.D.'s NPI number?
Alex Corbin Liu, O.D.'s National Provider Identifier (NPI) is 1790795318, issued on Aug 8, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Alex Corbin Liu, O.D. located?
The NPPES record lists a practice address at 19735 Colima RD, Rowland Heights, CA, 91748. Phone: (909) 468-4622. Providers update this record themselves, so call before visiting.
How can I verify Alex Corbin Liu, O.D.'s license?
NPPES lists California license number 12329T, 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.