NPPES file of Aug 9, 2026

David R. Madenberg, DO

Emergency Medicine Physician · Lake Geneva, WI

David R. Madenberg, DO is an emergency medicine physician with a practice address in Lake Geneva, Wisconsin, and NPI 1780751495, issued on Nov 29, 2006. Check the license (Wisconsin 23659-21, as entered in NPPES) on the Wisconsin Medical Examining Board; the federal record below is the public data PlainDoctor holds for this provider.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1780751495
Name
David R. Madenberg
Credential
DO
Primary taxonomy
Emergency Medicine Physician 207P00000X
License number
23659-21 WI
Self-reported in NPPES; status is on the state search
Practice location
N2950 State Road 67, Lake Geneva, WI 53147
Phone
(262) 245-0535
Enumerated
Nov 29, 2006
Record last updated
Jul 22, 2014 (not updated in 12 years: call before relying on the address or phone)
Fax
(262) 245-2248
Medicaid IDs
1780751495 WI
30019800 WI
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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8 nearest emergency medicine physician records → All 1,464 in Wisconsin → Look up another NPI →

Also registered at N2950 State Road 67

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

  1. Mary Anderson, MDObstetrics & Gynecology Physician1487662060
  2. Anshul Bamrolia, MDHematology & Oncology Physician1942361662
  3. Hamik Biramian, DOEmergency Medicine Physician1689817488
  4. Andrea Boeckman, MDObstetrics & Gynecology Physician1194882514
  5. Ashley Boro, OTOccupational Therapist1013421908
  6. Kenneth Bortin, MDCardiovascular Disease Physician1861554743

Verify David R. Madenberg in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 23659-21    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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David R. Madenberg among 1,464 emergency medicine physician records in Wisconsin

David R. Madenberg, DO is one of 1,464 emergency medicine physician 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 not. Its NPI, issued in 2006, is newer than 8% of them.

  • NPI issued2006 · 8% of these records are older, 58% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 58% of these records are
  • Record last updated2014 · 50% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

10 emergency medicine physician records list a practice address in Lake Geneva

They are 10 of the 366 NPPES records with a practice address in Lake Geneva, and 1,464 emergency medicine physician records in Wisconsin. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

All 1,464 in Wisconsin → Every provider in Lake Geneva → Emergency Medicine Physician nationwide →

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Hamik Biramian, DOLake Geneva, WI 531471689817488
  2. Joseph Brantman, M.D.Lake Geneva, WI 531471982090676
  3. Christopher Hanson, DOLake Geneva, WI 531471225415052
  4. Cullen Kehoe, DOLake Geneva, WI 531471013166925
  5. Elena Krause, MDLake Geneva, WI 531471518134410
  6. Geetha Krishnan, MDLake Geneva, WI 531471699067132
  7. Mitchell Sheley, MDLake Geneva, WI 531471093102378
  8. Christy Short, DOLake Geneva, WI 531471659699833

Common questions

What is David R. Madenberg, DO's NPI number?

David R. Madenberg, DO's National Provider Identifier (NPI) is 1780751495, issued on Nov 29, 2006. An NPI identifies a provider in billing; it is not a license.

Where is David R. Madenberg, DO located?

The NPPES record lists a practice address at N2950 State Road 67, Lake Geneva, WI, 53147. Phone: (262) 245-0535. Providers update this record themselves, so call before visiting.

How can I verify David R. Madenberg, DO's license?

NPPES lists Wisconsin license number 23659-21, 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.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.