NPPES file of Aug 9, 2026

Connie C. Liu, O.D.

Optometrist · La Verne, CA

Connie C. Liu, O.D. is an optometrist with a practice address in La Verne, California, and NPI 1396859476, issued on Aug 18, 2006. Check the license (California 13043T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1396859476
Name
Connie C. Liu
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
13043T CA
Self-reported in NPPES; status is on the state search
Practice location
2248 D St, La Verne, CA 91750
Phone
(909) 593-3519
Enumerated
Aug 18, 2006
Record last updated
Dec 1, 2021 (not updated in 5 years: call before relying on the address or phone)
Fax
(909) 593-3521
Medicare enrollment
Enrolled (PECOS I20070823000353); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 2248 D St

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Dale Buckwalter, ODOptometrist1982743043
  2. Donald GuidoOptometrist1275526279

Verify Connie C. Liu in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich California board licenses this profession
    Search for license 13043T
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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12% fewer Medicare Part D claims than the average optometrist in 2024

244 Medicare Part D claims for 77 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 30% of claims.

  1. Connie Liu244
  2. Specialty average277

Most prescribed

  1. Latanoprost95 claims
  2. Cyclosporine65 claims
  3. Dorzolamide-Timolol40 claims
  4. Brimonidine Tartrate19 claims
  5. Fluorometholone13 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: $16.80

1 payment: food and beverage; the largest payer was Genentech USA, 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.

  1. Connie Liu$16.80
  2. Specialty average$769.99

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

  1. Southern California Permanente Medical GroupRiverside, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other optometrist records in California

  1. Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
  2. Saloumeh Abadi, ODSanta Monica, CA1699258756
  3. Davoud AbbasiFillmore, CA1902361678
  4. Christopher Abbott, O.D.Santee, CA1417936220
  5. Sara Abboud, ODAlbany, CA1649052846
  6. Ghezal Abdali, O.D.Tustin, CA1770688640
  7. Nahid Abdali, O.D.San Ramon, CA1700210242
  8. Yasmeen AbdelfattahIrvine, CA1417786617
  9. Marina Abdou, ODUpland, CA1356017321
  10. Angela Abe, OPTModesto, CA1336108885

Common questions

What is Connie C. Liu, O.D.'s NPI number?

Connie C. Liu, O.D.'s National Provider Identifier (NPI) is 1396859476, issued on Aug 18, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Connie C. Liu, O.D. located?

The NPPES record lists a practice address at 2248 D St, La Verne, CA, 91750. Phone: (909) 593-3519. Providers update this record themselves, so call before visiting.

How can I verify Connie C. Liu, O.D.'s license?

NPPES lists California license number 13043T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Connie C. Liu, O.D. prescribe under Medicare Part D?

In 2024, Connie C. Liu, O.D. had 244 Medicare Part D claims for 77 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.