Irene Iikyung Yim, OD
- Medicare patients, 2024
- 13
- Part D claims, 2024
- 130
- Industry payments
- $47
- Affiliated sites
- 3
- Medical groups
- 4
- Practice address
- 27271 Las Ramblas, Mission Viejo, CA 92691
- Practice phone
- Call (858) 487-5555
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Total Vision
Mission Viejo, California
Find Irene Yim's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Irene Iikyung Yim is an optometrist in Mission Viejo, California
Irene Yim practices at Total Vision in Mission Viejo, California.
Irene Yim's NPI, 1033257894, was assigned on February 2, 2007. Irene Yim graduated from Southern California College of Optometry in 1991. Irene Yim holds California license 9722T.
- NPI
- 1033257894NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0840212221
- NPI enumeration date
- February 2, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (858) 487-5555
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 61
- Medical school graduation
- 1991
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Irene Iikyung Yim practices at Total Vision in Mission Viejo, California
Irene Yim's primary practice is Total Vision, at 27271 Las Ramblas, Mission Viejo, CA 92691 in Orange County. The practice phone is (858) 487-5555.
- Total Vision27271 Las Ramblas, Mission Viejo, CA 92691 · Orange CountyPhone(858) 487-5555
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Irene Iikyung Yim is affiliated with 4 sites of care and 4 medical groups
Irene Yim's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links Irene Yim to 4 medical groups and 3 group practices and clinics, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Irene Iikyung Yim's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Irene Yim practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Total Vision | Available with a free account |
| +3 more sites and 4 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Irene Iikyung Yim is one of 7,206 optometrists in California
Optometrist is Irene Yim's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Irene Yim is licensed in California.
Specialties and state licenses
- Optometrist, CaliforniaPrimary
Optometrists near Irene Yim
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Irene Iikyung Yim treated 13 Medicare patients in 2024, average age 77
CMS counts 13 Medicare patients who saw Irene Yim in 2024. The largest group is under 65, with 0 patients. Their average risk score is 0.75, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Irene Yim's median patient age at 72, with 59% women.
Irene Yim's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Irene Yim's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women59%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Irene Iikyung Yim wrote 130 Medicare Part D claims in 2024
In 2024, Irene Yim wrote 130 Medicare Part D claims for 49 patients. 63% of them were for generic drugs.
Irene Yim's Part D claims by kind of drug, 2024
- Generic82 claims63%
- Brand-name48 claims37%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Irene Iikyung Yim takes part in Medicare
Irene Yim accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Irene Iikyung Yim received $47 in industry payments in 2025
CMS Open Payments shows 2 general payments to Irene Yim from 2 drug and device companies in 2025. Food and beverage make up the largest share, 100% of the total. Alcon Laboratories Inc paid the most, $30.
Companies that paid Irene Yim the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Irene Iikyung Yim graduated from Southern California College of Optometry
Irene Yim graduated from Southern California College of Optometry in 1991.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Irene Iikyung Yim's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Irene Iikyung Yim
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Irene Iikyung Yim's NPI number?
Irene Iikyung Yim's NPI number is 1033257894. It was assigned on February 2, 2007, and it is active in the NPI Registry.
What does Irene Iikyung Yim specialize in?
Irene Iikyung Yim is an optometrist in Mission Viejo, California. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Irene Iikyung Yim practice?
Irene Yim practices at 27271 Las Ramblas, Mission Viejo, CA 92691. Irene Yim's primary practice is Total Vision in Mission Viejo, California. Dmand AI also links Irene Yim to 4 medical groups and 3 group practices and clinics.
What is Irene Iikyung Yim's office phone number?
The practice phone on file for Irene Yim is (858) 487-5555.
What is Irene Iikyung Yim's medical license number?
Irene Yim holds California license 9722T.
Does Irene Iikyung Yim accept Medicare?
Yes. CMS lists Irene Yim as accepting Medicare assignment.
How many Medicare patients does Irene Iikyung Yim see?
CMS counts 13 Medicare patients who saw Irene Yim in 2024, with an average age of 77.
Where did Irene Iikyung Yim go to medical school?
Irene Yim graduated from Southern California College of Optometry in 1991.
Has Irene Iikyung Yim received payments from drug or device companies?
CMS Open Payments shows $47 in general payments to Irene Yim from 2 companies from 2025 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Irene Iikyung Yim been practicing?
Irene Yim graduated from medical school in 1991, 35 years ago.
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