NPPES file of Aug 9, 2026

Chad E. Hermsdorf, PA-C

Physician Assistant · Brooklyn, WI

Chad E. Hermsdorf, PA-C is a physician assistant with a practice address in Brooklyn, Wisconsin, and NPI 1952369134, issued on May 3, 2006. Check the license (Wisconsin 1741-023, as entered in NPPES) 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
1952369134
Name
Chad E. Hermsdorf
Credential
PA-C
Primary taxonomy
Physician Assistant 363A00000X
License number
1741-023 WI
Self-reported in NPPES; status is on the state search
Practice location
N9115 Legler RD, Brooklyn, WI 53521
Phone
(608) 279-7085
Enumerated
May 3, 2006
Record last updated
Apr 9, 2026
Medicaid ID
41988900 WI
Medicare enrollment
Enrolled (PECOS I20040907000393); accepts Medicare assignment
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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Verify Chad E. Hermsdorf in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
    Search for license 1741-023
    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
Find the Wisconsin license search

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97% fewer Medicare Part D claims than the average physician assistant in 2024

28 Medicare Part D claims for 15 beneficiaries, against an average of 830 among the 101,058 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Chad Hermsdorf28
  2. Specialty average830

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.

Bills Medicare through one group practice

  1. Mercy Health System CorporationJanesville, WI

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

Chad E. Hermsdorf among 3,475 physician assistant records in Wisconsin

Chad E. Hermsdorf, PA-C is one of 3,475 physician assistant records with a practice address in Wisconsin. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.

  • NPI issued2006 · 4% of these records are older, 76% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileYes · 72% of these records are
  • Graduated2004 · median 2016 among the 2,491 with a school on file
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1 physician assistant record lists a practice address in Brooklyn

They are 1 of the 14 NPPES records with a practice address in Brooklyn, and 3,475 physician assistant records in Wisconsin.

The 8 physician assistant records with the nearest ZIP codes

  1. Gordon Marsden, PA-CCambridge, WI 535231982982351
  2. Jerome Simmons, PABlanchardville, WI 535161184773897
  3. Louis Falligant, PA-CCottage Grove, WI 535271093778540
  4. Kathleen Knipfer, P.A. C.Cottage Grove, WI 535271154586717
  5. Cheyanne Kubatzke, PA-CDarlington, WI 535301932578333
  6. Michelle Reisen-Garvey, PADarlington, WI 535301821002049
  7. Amy Tibbits, PA-CDarlington, WI 535301295809564
  8. Sarah Chilson, PA-CBeloit, WI 535111467129783

Common questions

What is Chad E. Hermsdorf, PA-C's NPI number?

Chad E. Hermsdorf, PA-C's National Provider Identifier (NPI) is 1952369134, issued on May 3, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Chad E. Hermsdorf, PA-C located?

The NPPES record lists a practice address at N9115 Legler RD, Brooklyn, WI, 53521. Phone: (608) 279-7085. Providers update this record themselves, so call before visiting.

How can I verify Chad E. Hermsdorf, PA-C's license?

NPPES lists Wisconsin license number 1741-023, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.

How much does Chad E. Hermsdorf, PA-C prescribe under Medicare Part D?

In 2024, Chad E. Hermsdorf, PA-C had 28 Medicare Part D claims for 15 beneficiaries; the average among physician assistant prescribers was 830. 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.