NPPES file of Aug 9, 2026

Esther Lee Kim, MD

Retina Specialist (Ophthalmology) Physician · Santa Ana, CA

Esther Lee Kim, MD is a retina specialist (ophthalmology) physician with a practice address in Santa Ana, California, and NPI 1649539404, issued on May 14, 2012. Check the license (California A127421, 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
1649539404
Name
Esther Lee Kim
Credential
MD
Primary taxonomy
Retina Specialist (Ophthalmology) Physician 207WX0107X
License numbers
A127421 CA
266190 MA
Self-reported in NPPES; status is on the state search
Practice location
1200 N Tustin Ave Ste 140, Santa Ana, CA 92705
Phone
(714) 972-8432
Enumerated
May 14, 2012
Record last updated
Oct 3, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20181101002406); accepts Medicare assignment
Medical or professional school
Yale University School Of Medicine, 2012
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 1200 N Tustin Ave Ste 140

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

  1. Mei Liu, O.D.Optometrist1427456227

Verify Esther Lee 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 A127421
    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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92% more Medicare Part D claims than the average retina specialist (ophthalmology) physician in 2024

1,188 Medicare Part D claims for 316 beneficiaries, against an average of 620 among the 1,449 providers of this specialty who prescribed in Part D. Brand-name drugs were 51% of claims.

  1. Esther Kim1,188
  2. Specialty average620

Most prescribed

  1. Prednisolone Acetate182 claims
  2. Ketorolac Tromethamine118 claims
  3. Latanoprost102 claims
  4. Dorzolamide-Timolol92 claims
  5. Brimonidine Tartrate67 claims
  6. Moxifloxacin56 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): 100 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 score100.0
  2. Costnot scored (reweighted)
  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: $138,962.71

190 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 1,253 providers of this specialty with any payment received $7,667.49 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Esther Kim$138,963
  2. Specialty average$7,667

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

  1. Orange County Retina Medical GroupSan Juan Capistrano, CA

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

Esther Lee Kim among 205 retina specialist (ophthalmology) physician records in California

Esther Lee Kim, MD is one of 205 retina specialist (ophthalmology) physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 61% of them.

  • NPI issued2012 · 61% of these records are older, 35% newer
  • In a Medicare fileYes · 98% of these records are
  • In the CMS Doctors and Clinicians fileYes · 92% of these records are
  • Graduated2012 · median 2007 among the 189 with a school on file
  • Record last updated2018 · 37% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207WX0107X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Retina Specialist (Ophthalmology) Physician providers in California

There are 205 retina specialist (ophthalmology) physician records in California.

The 8 retina specialist (ophthalmology) physician records with the nearest ZIP codes

  1. Saeed Javidi, MDSanta Ana, CA 927051487183364
  2. Desmond McGuire, MDSanta Ana, CA 927051881690634
  3. Mitul Mehta, MDIrvine, CA 926971730341181
  4. Marialejandra Diaz Ibarra, MDMission Viejo, CA 926911851031173
  5. Charles Eifrig, M.D.Laguna Hills, CA 926531306812979
  6. John Hwang, MDLaguna Hills, CA 926531629235510
  7. John Lean, M D F R C SLaguna Hills, CA 926531962513465
  8. Hani Salehi-Had, M.D.Huntington Beach, CA 926471306909403

Common questions

What is Esther Lee Kim, MD's NPI number?

Esther Lee Kim, MD's National Provider Identifier (NPI) is 1649539404, issued on May 14, 2012. An NPI identifies a provider in billing; it is not a license.

Where is Esther Lee Kim, MD located?

The NPPES record lists a practice address at 1200 N Tustin Ave Ste 140, Santa Ana, CA, 92705. Phone: (714) 972-8432. Providers update this record themselves, so call before visiting.

How can I verify Esther Lee Kim, MD's license?

NPPES lists California license number A127421, 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 Esther Lee Kim, MD prescribe under Medicare Part D?

In 2024, Esther Lee Kim, MD had 1,188 Medicare Part D claims for 316 beneficiaries; the average among retina specialist (ophthalmology) physician prescribers was 620. Part D covers Medicare prescriptions only.

What is Esther Lee Kim, MD's MIPS final score?

The 2023 MIPS final score is 100 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.