Tim C. Liu, O.D.
Optometrist · La Verne, CA
Tim C. Liu, O.D. is an optometrist with a practice address in La Verne, California, and NPI 1154587210, issued on Jul 29, 2008. Check the license (California 13573T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Tim C. Liu
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 13573T CA
Self-reported in NPPES; status is on the state search - Practice location
- 1552 Foothill Blvd, La Verne, CA 91750
- Phone
- (909) 593-4423
- Enumerated
- Jul 29, 2008
- Record last updated
- Mar 7, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (909) 593-0176
- Medicare enrollment
- Enrolled (PECOS I20120413000482); accepts Medicare assignment
- Medical or professional school
- University Of California - School Of Optometry, 2008
- Entity
- Type 1 · individual
8 nearest optometrist records → All 8,308 in California → Look up another NPI →
Verify Tim C. 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 13573TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
83% fewer Medicare Part D claims than the average optometrist in 2024
46 Medicare Part D claims for 14 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 54% of claims.
Most prescribed
- Cyclosporine12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $206.16
5 payments; by number, the most common kind was food and beverage; the largest payer was Stryker Corporation. 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.
Tim C. Liu among 8,308 optometrist records in California
Tim C. 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 2008, is newer than 54% of them.
- NPI issued2008 · 54% of these records are older, 43% newer
- In a Medicare fileYes · 67% of these records are
- In the CMS Doctors and Clinicians fileYes · 43% of these records are
- Graduated2008 · median 2008 among the 3,573 with a school on file
- Record last updated2014 · 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).
6 optometrist records list a practice address in La Verne
They are 6 of the 515 NPPES records with a practice address in La Verne, and 8,308 optometrist records in California.
All 8,308 in California → Every provider in La Verne → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Kenneth Boyer, O.D.La Verne, CA 917501801961453
- Brian Boyer, O.D.La Verne, CA 917501215341896
- Dale Buckwalter, ODLa Verne, CA 917501982743043
- Donald GuidoLa Verne, CA 917501275526279
- Connie Liu, O.D.La Verne, CA 917501396859476
- Michelle Belo, O.D.Rowland Heights, CA 917481396023610
- Sabrina DeaEastvale, CA 917521639664295
- Flora HuangRowland Heights, CA 917481487137105
Common questions
What is Tim C. Liu, O.D.'s NPI number?
Tim C. Liu, O.D.'s National Provider Identifier (NPI) is 1154587210, issued on Jul 29, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Tim C. Liu, O.D. located?
The NPPES record lists a practice address at 1552 Foothill Blvd, La Verne, CA, 91750. Phone: (909) 593-4423. Providers update this record themselves, so call before visiting.
How can I verify Tim C. Liu, O.D.'s license?
NPPES lists California license number 13573T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Tim C. Liu, O.D. prescribe under Medicare Part D?
In 2024, Tim C. Liu, O.D. had 46 Medicare Part D claims for 14 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions 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.