NPPES file of Aug 9, 2026

Ye Eun Kwak, M.D.

Gastroenterology Physician · Mount Pleasant, WI

Ye Eun Kwak, M.D. is a gastroenterology physician with a practice address in Mount Pleasant, Wisconsin, and NPI 1205218658, issued on Jun 22, 2015. Check the license (Wisconsin 76956, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

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

NPPES recordNPPES file of Aug 9, 2026
1205218658
Name
Ye Eun Kwak
Credential
M.D.
Primary taxonomy
Gastroenterology Physician 207RG0100X
License numbers
76956 WI
036.145897 IL
Self-reported in NPPES; status is on the state search
Practice location
8400 Washington Ave, Mount Pleasant, WI 53406
Phone
(262) 884-4000
Enumerated
Jun 22, 2015
Record last updated
Jun 16, 2025
Medicaid ID
100203134 WI
Medicare enrollment
Enrolled (PECOS I20220624000070); accepts Medicare assignment
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.
Download card Updates feed

8 nearest gastroenterology physician records → All 340 in Wisconsin → Look up another NPI →

Also registered at 8400 Washington Ave

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

  1. Vanessa Abejuela-Matt, D.O.Family Medicine Physician1558687749
  2. Tanvi Adusumilli, M.D.Family Medicine Physician1861888307
  3. Syeda Ahmed, MDPediatrics Physician1619544517
  4. Corinne Anthony-Manswell, NPNurse Practitioner1538793443
  5. Nandita Batchra, MDOtolaryngology Physician1013086750
  6. Allison Blonski, MDPediatrics Physician1013366608

Verify Ye Eun Kwak in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 76956    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 Wisconsin license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

18% more Medicare Part D claims than the average gastroenterology physician in 2024

955 Medicare Part D claims for 359 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 25% of claims.

  1. Ye Eun Kwak955
  2. Specialty average811

Most prescribed

  1. Ondansetron Hcl215 claims
  2. Gavilyte-G125 claims
  3. Omeprazole73 claims
  4. Sod Sulf-Potass Sulf-Mag Sulf67 claims
  5. Pantoprazole Sodium65 claims
  6. Linzess49 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.

Industry payments in 2024: $694.27

5 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Ye Eun Kwak$694.27
  2. Specialty average$5,015.95

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. Aurora Medical Group, Inc.Kenosha, WI

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

Ye Eun Kwak among 340 gastroenterology physician records in Wisconsin

Ye Eun Kwak, M.D. is one of 340 gastroenterology physician records with a practice address in Wisconsin. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2015, is newer than 84% of them.

  • NPI issued2015 · 84% of these records are older, 14% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated2014 · median 2003 among the 239 with a school on file
  • Record last updated2025 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Gastroenterology Physician providers in Wisconsin

There are 340 gastroenterology physician records in Wisconsin.

All 340 in Wisconsin → Every provider in Mount Pleasant → Gastroenterology Physician nationwide →

The 8 gastroenterology physician records with the nearest ZIP codes

  1. Eric Eisenberg, MDBeloit, WI 535111528076353
  2. John Johanson, MDBeloit, WI 535111477549699
  3. Tsu-Hon Wang, MDBeloit, WI 535111457369498
  4. Steven Yang, M.D.Beloit, WI 535111053370353
  5. David Yoon, M.D.Beloit, WI 535111124023031
  6. William Berger, MDMilwaukee, WI 532951821049313
  7. William Brandt, MDJanesville, WI 535461093754368
  8. Ramez Khoury, MDJanesville, WI 535461780743682

Common questions

What is Ye Eun Kwak, M.D.'s NPI number?

Ye Eun Kwak, M.D.'s National Provider Identifier (NPI) is 1205218658, issued on Jun 22, 2015. An NPI identifies a provider in billing; it is not a license.

Where is Ye Eun Kwak, M.D. located?

The NPPES record lists a practice address at 8400 Washington Ave, Mount Pleasant, WI, 53406. Phone: (262) 884-4000. Providers update this record themselves, so call before visiting.

How can I verify Ye Eun Kwak, M.D.'s license?

NPPES lists Wisconsin license number 76956, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Ye Eun Kwak, M.D. prescribe under Medicare Part D?

In 2024, Ye Eun Kwak, M.D. had 955 Medicare Part D claims for 359 beneficiaries; the average among gastroenterology physician prescribers was 811. Part D covers Medicare prescriptions only.

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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.