NPPES file of Aug 9, 2026

Leon Besthoff Rosen, M.D.

Interventional Cardiology Physician · Milwaukee, WI

Leon Besthoff Rosen, M.D. is an interventional cardiology physician with a practice address in Milwaukee, Wisconsin, and NPI 1477661437, issued on Aug 29, 2006. Check the license (Wisconsin 26467, 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
1477661437
Name
Leon Besthoff Rosen
Credential
M.D.
Primary taxonomy
Interventional Cardiology Physician 207RI0011X
License numbers
26467 WI
036157971 IL
Self-reported in NPPES; status is on the state search
Practice location
2801 W Kinnickinnic River Pkwy Ste 460, Milwaukee, WI 53215
Phone
(414) 389-7388
Enumerated
Aug 29, 2006
Record last updated
Aug 8, 2025
Fax
(414) 389-9069
Medicaid ID
31628700 WI
Medicare enrollment
Enrolled (PECOS I20110208000976); 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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8 nearest interventional cardiology physician records → All 129 in Wisconsin → Look up another NPI →

Also registered at 2801 W Kinnickinnic River Pkwy Ste 460

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

  1. Renee RemingtonAcute Care Nurse Practitioner1295843266

Verify Leon Besthoff Rosen in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 26467    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

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93% fewer Medicare Part D claims than the average interventional cardiology physician in 2024

221 Medicare Part D claims for 70 beneficiaries, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.

  1. Leon Rosen221
  2. Specialty average3,179

Most prescribed

  1. Lisinopril23 claims
  2. Metoprolol Succinate23 claims
  3. Carvedilol22 claims
  4. Clopidogrel22 claims
  5. Furosemide13 claims
  6. Rosuvastatin Calcium13 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: $52.71

1 payment: food and beverage; the largest payer was Biotronik Inc. The 6,394 providers of this specialty with any payment received $7,062.29 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Leon Rosen$52.71
  2. Specialty average$7,062.29

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

Bills Medicare through 3 group practices

  1. Ascension Medical Group-Southeast Wisconsin IncWauwatosa, WI
  2. Aurora Medical Group, Inc.Summit, WI
  3. Mcleod Regional Medical Center OF The Pee Dee IncLittle River, SC

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

Leon Besthoff Rosen among 129 interventional cardiology physician records in Wisconsin

Leon Besthoff Rosen, M.D. is one of 129 interventional cardiology physician records with a practice address in Wisconsin. 92% 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 5% of them.

  • NPI issued2006 · 5% of these records are older, 44% newer
  • In a Medicare fileYes · 92% of these records are
  • In the CMS Doctors and Clinicians fileYes · 86% of these records are
  • Graduated1983 · median 1998 among the 111 with a school on file
  • Record last updated2025 · 42% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Interventional Cardiology Physician providers in Wisconsin

There are 129 interventional cardiology physician records in Wisconsin.

All 129 in Wisconsin → Every provider in Milwaukee → Interventional Cardiology Physician nationwide →

The 8 interventional cardiology physician records with the nearest ZIP codes

  1. Suhail Allaqaband, MDMilwaukee, WI 532151669449203
  2. Khawaja Ammar, MDMilwaukee, WI 532151477528065
  3. Tanvir Bajwa, MDMilwaukee, WI 532151740257385
  4. Virinderjit Bamrah, M.D.Milwaukee, WI 532151730188665
  5. Omar Cheema, M.D.Milwaukee, WI 532151255358743
  6. Thomas Fenske, M.D.Milwaukee, WI 532151912998576
  7. Babak Haddadian, MDMilwaukee, WI 532151801070487
  8. Muhammad Jan, MDMilwaukee, WI 532151912956178

Common questions

What is Leon Besthoff Rosen, M.D.'s NPI number?

Leon Besthoff Rosen, M.D.'s National Provider Identifier (NPI) is 1477661437, issued on Aug 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Leon Besthoff Rosen, M.D. located?

The NPPES record lists a practice address at 2801 W Kinnickinnic River Pkwy Ste 460, Milwaukee, WI, 53215. Phone: (414) 389-7388. Providers update this record themselves, so call before visiting.

How can I verify Leon Besthoff Rosen, M.D.'s license?

NPPES lists Wisconsin license number 26467, 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 Leon Besthoff Rosen, M.D. prescribe under Medicare Part D?

In 2024, Leon Besthoff Rosen, M.D. had 221 Medicare Part D claims for 70 beneficiaries; the average among interventional cardiology physician prescribers was 3,179. 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.