Irene Iikyung Yim, O.D.
Optometrist · Rowland Heights, CA
Irene Iikyung Yim, O.D. is an optometrist with a practice address in Rowland Heights, California, and NPI 1033257894, issued on Feb 2, 2007. Check the license (California 9722T, as entered in NPPES) with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Irene Iikyung Yim
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 9722T CA
Self-reported in NPPES; status is on the state search - Practice location
- 18337 Colima RD, Rowland Heights, CA 91748
- Phone
- (626) 854-1131
- Enumerated
- Feb 2, 2007
- Record last updated
- Dec 4, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (626) 854-1727
- Medicaid ID
- SD0097220 CA
- Medicare enrollment
- Enrolled (PECOS I20070821000200); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1991
- Entity
- Type 1 · individual
Also registered at 18337 Colima RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Kim, O.D.Optometrist1720399025
Verify Irene Iikyung Yim in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this profession
Search for license 9722TCheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
53% fewer Medicare Part D claims than the average optometrist in 2024
130 Medicare Part D claims for 49 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Latanoprost34 claims
- Azelastine Hcl18 claims
- Dorzolamide-Timolol17 claims
- Restasis14 claims
- Neomycin-Polymyxin-Dexameth13 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: $388.62
8 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
- Total Vision PCWest Hollywood, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
23 optometrist records list a practice address in Rowland Heights
They are 23 of the 816 NPPES records with a practice address in Rowland Heights, and 8,308 optometrist records in California.
All 23 in Rowland Heights → All 8,308 in California → Every provider in Rowland Heights →
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 Irene Iikyung Yim, O.D.'s NPI number?
Irene Iikyung Yim, O.D.'s National Provider Identifier (NPI) is 1033257894, issued on Feb 2, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Irene Iikyung Yim, O.D. located?
The NPPES record lists a practice address at 18337 Colima RD, Rowland Heights, CA, 91748. Phone: (626) 854-1131. Providers update this record themselves, so call before visiting.
How can I verify Irene Iikyung Yim, O.D.'s license?
NPPES lists California license number 9722T, as entered by the provider. Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Irene Iikyung Yim, O.D. prescribe under Medicare Part D?
In 2024, Irene Iikyung Yim, O.D. had 130 Medicare Part D claims for 49 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.