NPPES file of Aug 9, 2026

Brad Malehorn, DO

Internal Medicine Physician · Waukesha, WI

Brad Malehorn, DO is an internal medicine physician with a practice address in Waukesha, Wisconsin, and NPI 1568671378, issued on May 21, 2007. Check the license (Wisconsin 50395-021, 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
1568671378
Name
Brad Malehorn
Credential
DO
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
50395-021 WI
Self-reported in NPPES; status is on the state search
Practice location
725 American Ave, Waukesha, WI 53188
Phone
(262) 928-1000
Enumerated
May 21, 2007
Record last updated
Jan 25, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(262) 928-6140
Medicare enrollment
Enrolled (PECOS I20070807000739); may accept 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 725 American Ave

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

  1. Mikayla Abbeduto, DPTPhysical Therapist1316513955
  2. Zuber Ali, M.D.Cardiovascular Disease Physician1548536204
  3. Heather AvelloneFamily Nurse Practitioner1114499001
  4. Mark Bakalars, M.D.Vascular & Interventional Radiology Physician1174518724
  5. Lisa BakerAdult Health Nurse Practitioner1588973275
  6. Melissa Becker, PA-CPhysician Assistant1780132944

Verify Brad Malehorn in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 50395-021
    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.

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83% fewer Medicare Part D claims than the average internal medicine physician in 2024

527 Medicare Part D claims for 188 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 15 claims were for opioids.

  1. Brad Malehorn527
  2. Specialty average3,176

Most prescribed

  1. Doxycycline Monohydrate29 claims
  2. Eliquis27 claims
  3. Prednisone25 claims
  4. Cefuroxime24 claims
  5. Clopidogrel24 claims
  6. Metoprolol Succinate23 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.

Bills Medicare through one group practice

  1. Apogee Medical Group Waukesha SCWaukesha, WI

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

Brad Malehorn among 2,078 internal medicine physician records in Wisconsin

Brad Malehorn, DO is one of 2,078 internal medicine physician records with a practice address in Wisconsin. 70% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 54% of them.

  • NPI issued2007 · 54% of these records are older, 40% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2004 · median 2002 among the 1,098 with a school on file
  • Record last updated2012 · 55% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

42 internal medicine physician records list a practice address in Waukesha

They are 42 of the 2,814 NPPES records with a practice address in Waukesha, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Gerald Berman, M.D.Waukesha, WI 531881215909734
  2. William Boehm, M.D.Waukesha, WI 531881346213519
  3. Wendy Cooper, M.D.Waukesha, WI 531881720051824
  4. Thomas Dougherty, MDWaukesha, WI 531881487639902
  5. John Fish, M.D.Waukesha, WI 531881033188446
  6. Thomas Gallagher, M.D.Waukesha, WI 531881942273677
  7. Peter Geiss, M.D.Waukesha, WI 531881881666782
  8. Martin Kern, MDWaukesha, WI 531881215938758

Common questions

What is Brad Malehorn, DO's NPI number?

Brad Malehorn, DO's National Provider Identifier (NPI) is 1568671378, issued on May 21, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Brad Malehorn, DO located?

The NPPES record lists a practice address at 725 American Ave, Waukesha, WI, 53188. Phone: (262) 928-1000. Providers update this record themselves, so call before visiting.

How can I verify Brad Malehorn, DO's license?

NPPES lists Wisconsin license number 50395-021, 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 Brad Malehorn, DO prescribe under Medicare Part D?

In 2024, Brad Malehorn, DO had 527 Medicare Part D claims for 188 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.