Registry data as of Aug 27, 2026

Lorraine Yeung

Optometrist · Pleasanton, CA

Lorraine Yeung is an optometrist with a practice address in Pleasanton, California, and NPI 1982379780, issued on Aug 12, 2021. Check the license (California 34992, 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, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1982379780
Name
Lorraine Yeung
Primary taxonomy
Optometrist 152W00000X
License number
34992 CA
Self-reported in NPPES; status is on the state search
Practice location
5575 W Las Positas Blvd Ste 240, Pleasanton, CA 94588
Phone
(925) 460-5000
Enumerated
Aug 12, 2021
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 5575 W Las Positas Blvd Ste 240

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

  1. Gurkirat Atkar, ODOptometrist1578249033
  2. Mayoli BadoniOptometrist1568380038
  3. Cynthia HuangOptometrist1407435373
  4. Jennifer Zhao, ODOptometrist1245927748

Verify Lorraine Yeung 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 34992
    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

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Statewide context: the Medical Board of California reported 374 disciplinary actions in FY 2022-23. California discipline data →

73% fewer Medicare Part D claims than the average optometrist in 2024

74 Medicare Part D claims for 42 beneficiaries, against an average of 279 among the 32,314 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.

  1. Lorraine Yeung74
  2. Specialty average279

Most prescribed

  1. Erythromycin16 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: $395.48

12 payments, mostly food and beverage; the largest payer was Biotissue Holdings Inc.. The 33,561 providers of this specialty with any payment received $749.79 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Lorraine Yeung$395.48
  2. Specialty average$749.79

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital or facility affiliation

  1. Gagnon Vision Medical Group IncPleasanton, CA

Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

44 optometrist records list a Pleasanton practice address

They are 44 of the 2,213 NPPES records with a Pleasanton practice address, and 8,156 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 Lorraine Yeung's NPI number?

Lorraine Yeung's National Provider Identifier (NPI) is 1982379780, issued on Aug 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Lorraine Yeung located?

The NPPES record lists a practice address at 5575 W Las Positas Blvd Ste 240, Pleasanton, CA, 94588. Phone: (925) 460-5000. Providers update this record themselves, so call before visiting.

How can I verify Lorraine Yeung's license?

NPPES lists California license number 34992, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.

How much does Lorraine Yeung prescribe under Medicare Part D?

In 2024, Lorraine Yeung had 74 Medicare Part D claims for 42 beneficiaries; the average among optometrist prescribers was 279. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.