NPPES file of Aug 9, 2026

Brett R. Haarmann, PA-C

Medical Physician Assistant · Janesville, WI

Brett R. Haarmann, PA-C is a medical physician assistant with a practice address in Janesville, Wisconsin, and NPI 1811909302, issued on Aug 12, 2006. 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
1811909302
Name
Brett R. Haarmann
Credential
PA-C
Primary taxonomy
Medical Physician Assistant 363AM0700X
License numbers
10000336A IN
2941 AZ
PA2018-0005 NM
Self-reported in NPPES; status is on the state search
Practice location
1000 Mineral Point Ave, Janesville, WI 53548
Phone
(608) 756-6868
Enumerated
Aug 12, 2006
Record last updated
Apr 14, 2025
Medicare enrollment
Enrolled (PECOS I20220709000806); 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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Also registered at 1000 Mineral Point Ave

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

  1. Marwan Abdulsattar, MDAnesthesiology Physician1265790695
  2. Kathleen Agard, MDAnesthesiology Physician1558503235
  3. Imdad Ahmed, MDCardiovascular Disease Physician1053536219
  4. Muhammad Alkhan, MDInternal Medicine Physician1114950813
  5. Rachel Allen, MDEmergency Medicine Physician1184823999
  6. Giuseppe Altamore, DOEmergency Medicine Physician1477828564

Verify Brett R. Haarmann 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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98% fewer Medicare Part D claims than the average medical physician assistant in 2024

19 Medicare Part D claims, against an average of 1,148 among the 23,801 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Brett Haarmann19
  2. Specialty average1,148

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: $27.98

1 payment: food and beverage; the largest payer was Abbott Laboratories. The 16,165 providers of this specialty with any payment received $1,055.00 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brett Haarmann$27.98
  2. Specialty average$1,055.00

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

One hospital affiliation

  1. Union Hospital IncTerre Haute, IN · Acute Care Hospitals3 of 5 stars

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.

Brett R. Haarmann among 687 medical physician assistant records in Wisconsin

Brett R. Haarmann, PA-C is one of 687 medical physician assistant records with a practice address in Wisconsin. 79% 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 8% of them.

  • NPI issued2006 · 8% of these records are older, 72% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 70% of these records are
  • Graduated1985 · median 2016 among the 479 with a school on file
  • Record last updated2025 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363AM0700X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Medical Physician Assistant providers in Wisconsin

There are 687 medical physician assistant records in Wisconsin.

The 8 medical physician assistant records with the nearest ZIP codes

  1. James Fitzgibbon, PA CJanesville, WI 535481659340032
  2. Ann Holt-Minard, PA-CJanesville, WI 535481316094535
  3. Christian Jensen, PA-CJanesville, WI 535481336212463
  4. Jennifer Laatsch, PA-CJanesville, WI 535481306912688
  5. Ashley Lienhardt, PA-CJanesville, WI 535481629200100
  6. Hasan Raza, PA-CJanesville, WI 535481710382601
  7. Brittany Austin, PA-CJanesville, WI 535461013226968
  8. Tina Schnell, PA-CJanesville, WI 535461275698300

Common questions

What is Brett R. Haarmann, PA-C's NPI number?

Brett R. Haarmann, PA-C's National Provider Identifier (NPI) is 1811909302, issued on Aug 12, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brett R. Haarmann, PA-C located?

The NPPES record lists a practice address at 1000 Mineral Point Ave, Janesville, WI, 53548. Phone: (608) 756-6868. Providers update this record themselves, so call before visiting.

How can I verify Brett R. Haarmann, PA-C's license?

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

How much does Brett R. Haarmann, PA-C prescribe under Medicare Part D?

In 2024, Brett R. Haarmann, PA-C had 19 Medicare Part D claims; the average among medical physician assistant prescribers was 1,148. 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.