NPPES file of Aug 9, 2026

Erin McGinnis Chappuis Koch, MD

Student in an Organized Health Care Education/Training Program · Milwaukee, WI

Erin McGinnis Chappuis Koch, MD is a student in an organized health care education/training program with a practice address in Milwaukee, Wisconsin, and NPI 1407544885, issued on Apr 25, 2023. Check the license with the Wisconsin board that licenses this profession; 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
1407544885
Name
Erin McGinnis Chappuis Koch
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
8701 Watertown Plank RD FL 8, Milwaukee, WI 53226
Phone
(414) 955-0518
Enumerated
Apr 25, 2023
Record last updated
Apr 25, 2023
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 8701 Watertown Plank RD FL 8

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

  1. Arman Fotouhi, DOStudent in an Organized Health Care Education/Training Program1932902780
  2. Joshua KraemerInternal Medicine Physician1013633908
  3. Hannah Lee, MDStudent in an Organized Health Care Education/Training Program1093518151
  4. Daniel MarkunasStudent in an Organized Health Care Education/Training Program1982307138
  5. Ruth Mokua, DOStudent in an Organized Health Care Education/Training Program1912696154
  6. Adokole Otanwa, MD/MPHStudent in an Organized Health Care Education/Training Program1144962614

Verify Erin McGinnis Chappuis Koch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this professionCheck 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
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94% fewer Medicare Part D claims than the average student in an organized health care education/training program in 2024

12 Medicare Part D claims, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Erin Chappuis Koch12
  2. Specialty average185

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.

Erin McGinnis Chappuis Koch among 2,788 student in an organized health care education/training program records in Wisconsin

Erin McGinnis Chappuis Koch, MD is one of 2,788 student in an organized health care education/training program records with a practice address in Wisconsin. 19% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2023, is newer than 35% of them.

  • NPI issued2023 · 35% of these records are older, 52% newer
  • In a Medicare fileYes · 19% of these records are
  • In the CMS Doctors and Clinicians fileNo · 3% of these records are
  • Record last updated2023 · 22% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,301 student in an organized health care education/training program records list a practice address in Milwaukee

They are 1,301 of the 18,389 NPPES records with a practice address in Milwaukee, and 2,788 student in an organized health care education/training program records in Wisconsin.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Elizabeth Becherer, M.D.Milwaukee, WI 532261043332075
  2. Osman Coello, M.D.Milwaukee, WI 532261114181112
  3. Paul JeziorczakMilwaukee, WI 532261942472915
  4. Mario Luc, MDMilwaukee, WI 532261700032059
  5. Erika Manning, MD, PHDMilwaukee, WI 532261346397247
  6. Asha MehtaMilwaukee, WI 532261659545465
  7. Danielle Peterson, MDMilwaukee, WI 532261043305873
  8. Mark Phelps, M.D.Milwaukee, WI 532261326243718

Common questions

What is Erin McGinnis Chappuis Koch, MD's NPI number?

Erin McGinnis Chappuis Koch, MD's National Provider Identifier (NPI) is 1407544885, issued on Apr 25, 2023. An NPI identifies a provider in billing; it is not a license.

Where is Erin McGinnis Chappuis Koch, MD located?

The NPPES record lists a practice address at 8701 Watertown Plank RD FL 8, Milwaukee, WI, 53226. Phone: (414) 955-0518. Providers update this record themselves, so call before visiting.

How can I verify Erin McGinnis Chappuis Koch, MD's license?

Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Erin McGinnis Chappuis Koch, MD prescribe under Medicare Part D?

In 2024, Erin McGinnis Chappuis Koch, MD had 12 Medicare Part D claims; the average among student in an organized health care education/training program prescribers was 185. 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.

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.