Elizabeth Y. Chong, OD
Optometrist · Irvine, CA
Elizabeth Y. Chong, OD is an optometrist with a practice address in Irvine, California, and NPI 1598381493, issued on Jun 17, 2020. Check the license (California 34652, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Elizabeth Y. Chong
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 34652 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4940 Irvine Blvd Ste 102, Irvine, CA 92620
- Phone
- (714) 730-9580
- Enumerated
- Jun 17, 2020
- Record last updated
- Feb 20, 2026
- Medicare enrollment
- Enrolled (PECOS I20200824003386); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2020
- Entity
- Type 1 · individual
Also registered at 4940 Irvine Blvd Ste 102
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Nhi Nguyen, ODOptometrist1497597520
Verify Elizabeth Y. Chong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 34652Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
87% fewer Medicare Part D claims than the average optometrist in 2024
35 Medicare Part D claims for 13 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.
Most prescribed
- Latanoprost20 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: $141.18
4 payments; by number, the most common kind was food and beverage; the largest payer was CooperVision 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.
Bills Medicare through one group practice
- Lui And Mai Optometry PartnershipIrvine, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
84 optometrist records list a practice address in Irvine
They are 84 of the 7,778 NPPES records with a practice address in Irvine, and 8,308 optometrist records in California.
All 84 in Irvine → All 8,308 in California → Every provider in Irvine →
Other optometrist records in California
- Douglas Aaseby, O.D.El Dorado Hills, CA1962715961
- Saloumeh Abadi, ODSanta Monica, CA1699258756
- Davoud AbbasiFillmore, CA1902361678
- Christopher Abbott, O.D.Santee, CA1417936220
- Sara Abboud, ODAlbany, CA1649052846
- Ghezal Abdali, O.D.Tustin, CA1770688640
- Nahid Abdali, O.D.San Ramon, CA1700210242
- Yasmeen AbdelfattahIrvine, CA1417786617
- Marina Abdou, ODUpland, CA1356017321
- Angela Abe, OPTModesto, CA1336108885
Common questions
What is Elizabeth Y. Chong, OD's NPI number?
Elizabeth Y. Chong, OD's National Provider Identifier (NPI) is 1598381493, issued on Jun 17, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Elizabeth Y. Chong, OD located?
The NPPES record lists a practice address at 4940 Irvine Blvd Ste 102, Irvine, CA, 92620. Phone: (714) 730-9580. Providers update this record themselves, so call before visiting.
How can I verify Elizabeth Y. Chong, OD's license?
NPPES lists California license number 34652, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Elizabeth Y. Chong, OD prescribe under Medicare Part D?
In 2024, Elizabeth Y. Chong, OD had 35 Medicare Part D claims for 13 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.