Nway Le Ko Ko, MBBS

  • Eau Claire, WI
  • Cardiologist
NPI1649646126PAC ID9032443106
Medicare services, 2024
2,049
Medicare patients, 2024
1,568
Part D claims, 2024
227
Publications
11
MIPS score, 2024
100
Practice address
1221 Whipple St, Eau Claire, WI 54703
Practice phone
Call (715) 838-3311
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Mayo Clinic Health System in Eau Claire

Hospital · Eau Claire, Wisconsin

See all 11 affiliations

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Nway Le Ko Ko is a cardiologist in Eau Claire, Wisconsin

Nway Ko Ko practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic.

Nway Ko Ko's NPI, 1649646126, was assigned on August 19, 2015. Nway Ko Ko holds Wisconsin license 83831.

NPI and contact details
Medicare PAC ID
9032443106
NPI enumeration date
August 19, 2015
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(715) 838-3311
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
38
Medical school graduation
2014

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Nway Le Ko Ko practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin

Nway Ko Ko's primary practice is Mayo Clinic Health System in Eau Claire, at 1221 Whipple St, Eau Claire, WI 54703 in Eau Claire County. The practice phone is (715) 838-3311.

Source: Dmand AI Affiliation Data

Nway Le Ko Ko is affiliated with 8 sites of care and 3 medical groups

Nway Ko Ko's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Nway Ko Ko is also affiliated with Mayo Clinic Health System in Menomonie. The medical group on file is Mayo Clinic. Dmand AI also links Nway Ko Ko to 3 more hospitals, 3 group practices and clinics and 2 medical groups, each named with a free account.

See all 11 affiliations for Nway Ko Ko

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Nway Le Ko Ko's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Nway Ko Ko practices, 8 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Mayo Clinic Health System in Eau ClaireAvailable with a free account
+7 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Nway Le Ko Ko is one of 354 cardiologists in Wisconsin

Cardiovascular disease is Nway Ko Ko's primary specialty in the NPI Registry, under taxonomy code 207RC0000X. Dmand AI has Nway Ko Ko's licenses on file in 3 states: Wisconsin, Arizona and Minnesota.

Specialties and state licenses

  • Cardiovascular disease, WisconsinPrimaryLicense 83831 · taxonomy 207RC0000X
  • Clinical cardiac electrophysiology, ArizonaLicense 58265 · taxonomy 207RC0001X
  • Minnesota licenseLicense 78406

Cardiologists near Nway Ko Ko

Counts of cardiologists 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

Nway Le Ko Ko billed Medicare for 2,049 services in 2024

CMS data shows 2,049 Medicare services from Nway Ko Ko across 13 procedure codes in 2024, for 1,568 Medicare patients. Medicare paid $24,909 for them.

Medicare services, 20242,049
Medicare patients1,568
Paid by Medicare$24,909
Procedure codes13

Nway Ko Ko's Medicare services by type, 2021 to 2024

  • 2021
  • 2024
Tests and treatments
2021: 02024: 1,997
Office and hospital visits
2021: 362024: 398%
Other services
2021: 02024: 13

Where Nway Ko Ko's Medicare services took place, 2024

  • In an office1628%
  • In a facility1,88792%

Nway Ko Ko compared with the Wisconsin median for cardiologists, 2024

  • Nway Ko Ko
  • Wisconsin median
Medicare services
2,049vs 1,12482% above
Medicare patients
1,568vs 79298% above
Part D claims
146vs 1,15487% below

Medians across 359 cardiologists in Wisconsin with Dmand AI profiles that report each measure.

Nway Ko Ko's most billed Medicare procedure codes, 2024

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Nway Le Ko Ko treated 1,568 Medicare patients in 2024, average age 75

CMS counts 1,568 Medicare patients who saw Nway Ko Ko in 2024. The largest group is 65 to 74, with 627 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 20% are also on Medicaid. Their average risk score is 1.68, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.

Across all payers, Dmand AI patient panel data puts Nway Ko Ko's median patient age at 74, with 49% women.

Medicare patients, 20241,568
Average age75
Average risk score1.68
Also on Medicaid20%

Nway Ko Ko's Medicare patients by age, 2024

Nway Ko Ko's Medicare patients by sex, 2024

  • Women75448%
  • Men81452%

Chronic conditions among Nway Ko Ko's Medicare patients, 2024

  1. High blood pressure75%
  2. High cholesterol75%
  3. Atrial fibrillation48%
  4. Heart failure42%
  5. Ischemic heart disease42%
  6. Arthritis38%
  7. Chronic kidney disease38%
  8. Diabetes32%

Share of Medicare patients with each condition. A patient can have several.

Nway Ko Ko's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women49%
  • Men51%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Nway Le Ko Ko wrote 227 Medicare Part D claims in 2024

In 2024, Nway Ko Ko wrote 227 Medicare Part D claims for 77 patients. 69% of them were for generic drugs. CMS names the drug for 146 of them, across 7 drugs with 11 or more claims each, at $74,826 in total drug cost. In 2023, CMS named 155 claims across 6 drugs.

Part D claims, 2024227
Drugs named by CMS7
Total drug cost$74,826
Part D patients77

Nway Ko Ko's Part D claims by kind of drug, 2024

  • Generic156 claims69%
  • Brand-name71 claims31%

Nway Ko Ko's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 1552024: 1466%

Drugs named by CMS: 7 in 2024, 6 in 2023.

See all prescribing by Nway Ko Ko

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data

Nway Le Ko Ko scored 100 out of 100 in Medicare's MIPS program for 2024

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Nway Ko Ko for performance year 2024, reported through an alternative payment model (APM). Nway Ko Ko accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 39 procedures of pacemaker insertion or repair by Nway Ko Ko, more than 84% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Nway Ko Ko's MIPS scores, performance year 2024

  • 100of 100Final score
  • 96.5of 100Quality
  • 100of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Where Nway Ko Ko ranks in Medicare procedure volume

Pacemaker insertion or repair
84th percentile39 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)

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Nway Le Ko Ko has 11 publications on record

Dmand AI links 11 papers to Nway Ko Ko, published from 2017 to 2025. 2017 was the busiest year, with 2. The most frequent topics are Atrial Fibrillation, Catheter Ablation and Pulmonary Veins. Nway Ko Ko has published most often in Cureus. Nway Ko Ko's most frequent co-authors are Pattara Rattanawong, MD, Win-Kuang Shen, MD and Komandoor Srivathsan, MD.

Papers11
Years published2017 to 2025

Nway Ko Ko's papers by year, 2017 to 2025

Topics Nway Ko Ko writes about most

  • Atrial Fibrillation
  • Catheter Ablation
  • Pulmonary Veins

Nway Ko Ko's most frequent co-authors

Recent publications by Nway Ko Ko

See all 11 publications and co-authors

See who Nway Ko Ko researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Nway Ko Ko works with, so you can find a warm path to the right cardiologists.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Nway Le Ko Ko received $37,146 in industry payments from 2019 to 2025

CMS Open Payments shows 100 general payments to Nway Ko Ko from 6 drug and device companies from 2019 to 2025. Grants make up the largest share, 70% of the total. Medtronic, Inc. paid the most, $22,395.

General payments to Nway Ko Ko by program year, 2019 to 2025

General payments to Nway Ko Ko by kind, 2019 to 2025

$37.1Kin total
  • Grants$26,00070%
  • Travel and lodging$5,59415%
  • Food and beverage$4,56512%
  • Education$9863%

Companies that paid Nway Ko Ko the most, 2019 to 2025

Share is of all general payments to this clinician.

See all payments to Nway Ko Ko

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Sources for Nway Le Ko Ko's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Nway Le Ko Ko

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Nway Le Ko Ko's NPI number?

Nway Le Ko Ko's NPI number is 1649646126. It was assigned on August 19, 2015, and it is active in the NPI Registry.

What does Nway Le Ko Ko specialize in?

Nway Le Ko Ko is a cardiologist in Eau Claire, Wisconsin. The primary specialty in the NPI Registry is Cardiovascular Disease Physician (taxonomy code 207RC0000X).

Where does Nway Le Ko Ko practice?

Nway Ko Ko practices at 1221 Whipple St, Eau Claire, WI 54703. Nway Ko Ko's primary practice is Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin, part of Mayo Clinic. Dmand AI also links Nway Ko Ko to 3 hospitals, 3 group practices and clinics and 2 medical groups.

What is Nway Le Ko Ko's office phone number?

The practice phone on file for Nway Ko Ko is (715) 838-3311.

What is Nway Le Ko Ko's medical license number?

Nway Ko Ko holds Wisconsin license 83831, one of the licenses on file in 3 states.

Which states has Nway Le Ko Ko been licensed in?

Dmand AI has state licenses on file for Nway Ko Ko in Wisconsin, Arizona and Minnesota.

Which hospitals is Nway Le Ko Ko affiliated with?

Nway Ko Ko practices at Mayo Clinic Health System in Eau Claire in Eau Claire, Wisconsin. Nway Ko Ko is also affiliated with Mayo Clinic Health System in Menomonie. Dmand AI links Nway Ko Ko to 3 more hospitals.

What medical group is Nway Le Ko Ko part of?

Nway Ko Ko is linked to Mayo Clinic. Dmand AI links Nway Ko Ko to 2 more medical groups.

Does Nway Le Ko Ko accept Medicare?

Yes. CMS data shows Nway Ko Ko billed Medicare for 2,049 services in 2024, and Nway Ko Ko accepts Medicare assignment.

What is Nway Le Ko Ko's MIPS score?

Nway Ko Ko's MIPS final score for performance year 2024 is 100 out of 100, reported through an alternative payment model (APM).

Show 7 more questionsShow fewer questions

How many Medicare patients does Nway Le Ko Ko see?

CMS counts 1,568 Medicare patients who saw Nway Ko Ko in 2024, with an average age of 75.

What services does Nway Le Ko Ko bill to Medicare?

In 2024, Nway Ko Ko's most billed Medicare services were heart test or procedure (93010), heart test or procedure (93294) and heart test or procedure (93227).

What drugs does Nway Le Ko Ko prescribe most?

In 2024 Medicare Part D data, Nway Ko Ko's most prescribed drugs by claims were Eliquis, Metoprolol Succinate and Metoprolol Tartrate.

Has Nway Le Ko Ko received payments from drug or device companies?

CMS Open Payments shows $37,146 in general payments to Nway Ko Ko from 6 companies from 2019 to 2025. The largest total came from Medtronic, Inc.

How long has Nway Le Ko Ko been practicing?

Nway Ko Ko graduated from medical school in 2014, 12 years ago.

Does Nway Le Ko Ko do research?

Dmand AI links 11 publications to Nway Ko Ko, published from 2017 to 2025.

Who does Nway Le Ko Ko publish with?

Nway Ko Ko's most frequent co-authors are Pattara Rattanawong, MD (3 shared papers), Win-Kuang Shen, MD (3 shared papers) and Komandoor Srivathsan, MD (3 shared papers).

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