NPPES file of Aug 9, 2026

Cindy Kuei Chan Yang, O.D.

Optometrist · Tustin, CA

Cindy Kuei Chan Yang, O.D. is an optometrist with a practice address in Tustin, California, and NPI 1750434262, issued on Jan 19, 2007. Check the license (California 13144, 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
1750434262
Name
Cindy Kuei Chan Yang
Credential
O.D.
Primary taxonomy
Optometrist 152W00000X
License number
13144 CA
Self-reported in NPPES; status is on the state search
Practice location
2831 Park Ave, Tustin, CA 92782
Phone
(714) 258-7525
Enumerated
Jan 19, 2007
Record last updated
Jan 3, 2022
Fax
(714) 258-8489
Medicare enrollment
Enrolled (PECOS I20070517000644); accepts Medicare assignment
Medical or professional school
Southern California College Of Optometry, 2006
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 2831 Park Ave

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

  1. Megan Lieu, O.D.Optometrist1851443998
  2. Lori Yoo, ODOptometrist1023129939

Verify Cindy Kuei Chan Yang 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 13144
    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
Find the California license search

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90% fewer Medicare Part D claims than the average optometrist in 2024

28 Medicare Part D claims for 20 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.

  1. Cindy Yang28
  2. Specialty average277

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: $168.93

4 payments; by number, the most common kind was food and beverage; the largest payer was Tarsus Pharmaceuticals, 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. Cindy Yang$168.93
  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. Permanente Medical Group IncRedwood City, CA

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

Cindy Kuei Chan Yang among 8,308 optometrist records in California

Cindy Kuei Chan Yang, 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 2007, is newer than 34% of them.

  • NPI issued2007 · 34% of these records are older, 46% newer
  • In a Medicare fileYes · 67% of these records are
  • In the CMS Doctors and Clinicians fileYes · 43% of these records are
  • Graduated2006 · median 2008 among the 3,573 with a school on file
  • Record last updated2022 · 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).

33 optometrist records list a practice address in Tustin

They are 33 of the 2,221 NPPES records with a practice address in Tustin, and 8,308 optometrist records in California.

The 8 optometrist records with the nearest ZIP codes

  1. Susan Chen, O.D.Tustin, CA 927821427101021
  2. Lulu Kim, ODTustin, CA 927821194878744
  3. Robert KleinbergTustin, CA 927821598815052
  4. Megan Lieu, O.D.Tustin, CA 927821851443998
  5. Negar Mosallanejad, ODTustin, CA 927821598652612
  6. Amy Ngo, ODTustin, CA 927821952886988
  7. Ann Nguyen, ODTustin, CA 927821831226497
  8. Cathy Ong, O.D.Tustin, CA 927821801123518

Common questions

What is Cindy Kuei Chan Yang, O.D.'s NPI number?

Cindy Kuei Chan Yang, O.D.'s National Provider Identifier (NPI) is 1750434262, issued on Jan 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Cindy Kuei Chan Yang, O.D. located?

The NPPES record lists a practice address at 2831 Park Ave, Tustin, CA, 92782. Phone: (714) 258-7525. Providers update this record themselves, so call before visiting.

How can I verify Cindy Kuei Chan Yang, O.D.'s license?

NPPES lists California license number 13144, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Cindy Kuei Chan Yang, O.D. prescribe under Medicare Part D?

In 2024, Cindy Kuei Chan Yang, O.D. had 28 Medicare Part D claims for 20 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.