NPPES file of Aug 9, 2026

Marcus Juen Yue Ko, M.D.

Ophthalmic Plastic and Reconstructive Surgery Physician · Reno, NV

Marcus Juen Yue Ko, M.D. is an ophthalmic plastic and reconstructive surgery physician with a practice address in Reno, Nevada, and NPI 1235302183, issued on Apr 10, 2008. Check the license (Nevada 15092, as entered in NPPES) on the Nevada State Board of Medical Examiners; 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
1235302183
Name
Marcus Juen Yue Ko
Credential
M.D.
Primary taxonomy
Ophthalmic Plastic and Reconstructive Surgery Physician 207WX0200X
License numbers
15092 NV
A104124 CA
ME 112756 FL
Self-reported in NPPES; status is on the state search
Practice location
5435 Reno Corporate Dr Ste 100, Reno, NV 89511
Phone
(775) 322-3111
Enumerated
Apr 10, 2008
Record last updated
Feb 6, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(775) 322-8388
Medicare enrollment
Enrolled (PECOS I20230830000763); accepts Medicare assignment
Medical or professional school
Harvard Medical School, 2004
Telehealth
Offers telehealth (CMS)
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 5435 Reno Corporate Dr Ste 100

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

  1. Helen Lee, O.D.Optometrist1316020175

Verify Marcus Juen Yue Ko in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersNevada State Board of Medical Examiners
    Search for license 15092
    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 Nevada license search

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38% more Medicare Part D claims than the average ophthalmic plastic and reconstructive surgery physician in 2024

752 Medicare Part D claims for 392 beneficiaries, against an average of 544 among the 409 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims. 21 claims were for opioids.

  1. Marcus Ko752
  2. Specialty average544

Most prescribed

  1. Erythromycin250 claims
  2. Neomycin-Polymyxin-Dexameth219 claims
  3. Cephalexin188 claims
  4. Fluticasone Propionate23 claims
  5. Methylprednisolone16 claims
  6. Moxifloxacin15 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 MIPS final score for 2023 (Medicare payment program): 91.6 of 100

The Merit-based Incentive Payment System score is reported for this clinician. 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 score85.1
  2. Costnot scored (reweighted)
  3. Promoting interoperabilityout of 100 · 25%96.9
  4. Improvement activities40 of 40 points · 15%100.0

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

Industry payments in 2024: $54.16

1 payment: food and beverage; the largest payer was Alcon Vision LLC. The 332 providers of this specialty with any payment received $6,302.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Marcus Ko$54.16
  2. Specialty average$6,302.89

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. Marcus J KO MD PLLCReno, NV
  2. Timothy F. Mcdevitt, M.D. IncHonolulu, HI

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

Ophthalmic Plastic and Reconstructive Surgery Physician providers in Nevada

There are 2 ophthalmic plastic and reconstructive surgery physician records in Nevada.

The 1 ophthalmic plastic and reconstructive surgery physician record with the nearest ZIP codes

  1. Christopher Baloga, D.O.Reno, NV 895111942427901

Common questions

What is Marcus Juen Yue Ko, M.D.'s NPI number?

Marcus Juen Yue Ko, M.D.'s National Provider Identifier (NPI) is 1235302183, issued on Apr 10, 2008. An NPI identifies a provider in billing; it is not a license.

Where is Marcus Juen Yue Ko, M.D. located?

The NPPES record lists a practice address at 5435 Reno Corporate Dr Ste 100, Reno, NV, 89511. Phone: (775) 322-3111. Providers update this record themselves, so call before visiting.

How can I verify Marcus Juen Yue Ko, M.D.'s license?

NPPES lists Nevada license number 15092, as entered by the provider. Search the Nevada State Board of Medical Examiners at https://medboard.nv.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Marcus Juen Yue Ko, M.D. prescribe under Medicare Part D?

In 2024, Marcus Juen Yue Ko, M.D. had 752 Medicare Part D claims for 392 beneficiaries; the average among ophthalmic plastic and reconstructive surgery physician prescribers was 544. Part D covers Medicare prescriptions only.

What is Marcus Juen Yue Ko, M.D.'s MIPS final score?

The 2023 MIPS final score is 91.6 of 100. 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.