NPPES file of Aug 9, 2026

Yun J. Kim, MD

Ophthalmology Physician · Buena Park, CA

Yun J. Kim, MD is an ophthalmology physician with a practice address in Buena Park, California, and NPI 1255431300, issued on Sep 25, 2006. Check the license (California A62158, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1255431300
Name
Yun J. Kim
Credential
MD
Primary taxonomy
Ophthalmology Physician 207W00000X
License number
A62158 CA
Self-reported in NPPES; status is on the state search
Practice location
5832 Beach Blvd Unit 109A, Buena Park, CA 90621
Phone
(714) 228-1888
Enumerated
Sep 25, 2006
Record last updated
May 29, 2026
Fax
(714) 676-8308
Medicaid ID
00A621580 CA
Medicare enrollment
Enrolled (PECOS I20040413001208); accepts Medicare assignment
Medical or professional school
Loma Linda University School Of Medicine, 1995
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 5832 Beach Blvd Unit 109A

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

  1. Joseph Lee, MDOphthalmology Physician1558458364

Verify Yun J. Kim in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A62158
    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
Open the California license search

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9.3 times the Medicare Part D claims of the average ophthalmology physician in 2024

14,141 Medicare Part D claims for 1,939 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.

  1. Yun Kim14,141
  2. Specialty average1,518

Most prescribed

  1. Restasis2,822 claims
  2. Xiidra1,838 claims
  3. Cyclosporine1,486 claims
  4. Azelastine Hcl1,396 claims
  5. Latanoprost1,102 claims
  6. Dorzolamide-Timolol863 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.

The practice group's MIPS final score for 2023 (Medicare payment program): 94.7 of 100

The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.

  1. Qualityout of 100 · 30% of the final score84.8
  2. Costout of 100 · 30%74.3
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $3,967.83

42 payments; by number, the most common kind was food and beverage; the largest payer was Bausch & Lomb Americas Inc. The 13,221 providers of this specialty with any payment received $4,535.02 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Yun Kim$3,967.83
  2. Specialty average$4,535.02

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

Bills Medicare through 2 group practices

  1. Bethel Eye Center Medical CorporationLos Angeles, CA
  2. Eyecare Medical CorporationBuena Park, CA

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

Yun J. Kim among 2,899 ophthalmology physician records in California

Yun J. Kim, MD is one of 2,899 ophthalmology physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 9% of them.

  • NPI issued2006 · 9% of these records are older, 45% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1995 · median 2001 among the 1,907 with a school on file
  • Record last updated2026 · 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 207W00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Ophthalmology Physician providers in California

There are 2,899 ophthalmology physician records in California.

The 8 ophthalmology physician records with the nearest ZIP codes

  1. Michael Choi, M.D.Buena Park, CA 906211871912279
  2. Inja Kim, M.D.Buena Park, CA 906211588762769
  3. Joseph Lee, MDBuena Park, CA 906211558458364
  4. Alejandra Uchio, M.D.Buena Park, CA 906211144217191
  5. Ilan Hartstein, M.D.La Palma, CA 906231184646283
  6. Jonathan Kim, MDLa Palma, CA 906231689682908
  7. Feilin Zhu, M.D.La Palma, CA 906231497045041
  8. Deep Dudeja, M.D.La Habra, CA 906311821050642

Common questions

What is Yun J. Kim, MD's NPI number?

Yun J. Kim, MD's National Provider Identifier (NPI) is 1255431300, issued on Sep 25, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Yun J. Kim, MD located?

The NPPES record lists a practice address at 5832 Beach Blvd Unit 109A, Buena Park, CA, 90621. Phone: (714) 228-1888. Providers update this record themselves, so call before visiting.

How can I verify Yun J. Kim, MD's license?

NPPES lists California license number A62158, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Yun J. Kim, MD prescribe under Medicare Part D?

In 2024, Yun J. Kim, MD had 14,141 Medicare Part D claims for 1,939 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.

What is Yun J. Kim, MD's MIPS final score?

The 2023 MIPS final score is 94.7 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.

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.