NPPES file of Aug 9, 2026

Mack Karnes, M.D.

Diagnostic Radiology Physician · St Francis, WI

Mack Karnes, M.D. is a diagnostic radiology physician with a practice address in St Francis, Wisconsin, and NPI 1225072721, issued on Jun 15, 2006. Check the license (Wisconsin 21496, 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 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1225072721
Name
Mack Karnes
Credential
M.D.
Primary taxonomy
Diagnostic Radiology Physician 2085R0202X
License number
21496 WI
Self-reported in NPPES; status is on the state search
Practice location
2000 E Layton Ave, St Francis, WI 53235
Phone
(414) 744-6589
Enumerated
Jun 15, 2006
Record last updated
Aug 19, 2024
Fax
(414) 747-8848
Medicaid ID
31511700 WI
Medicare enrollment
Enrolled (PECOS I20040126000476); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 1971
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 diagnostic radiology physician records → All 1,005 in Wisconsin → Look up another NPI →

Also registered at 2000 E Layton Ave

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

  1. Arthur Agostini, LATAthletic Trainer1366001331
  2. Sarang Baman, MDFamily Medicine Physician1770661290
  3. Leigh Beyer, RPHPharmacist1871929273
  4. Paul Blaske, CADC IIICounselor1831108521
  5. Alison Damato, APNPNurse Practitioner1508421728
  6. Hayley Demario, NPNurse Practitioner1538834510

Verify Mack Karnes in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 21496    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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Bills Medicare through 3 group practices

  1. Aurora Advanced Healthcare, Inc.Wauwatosa, WI
  2. Aurora Medical Group, Inc.Milwaukee, WI
  3. Lakeshore Medical Clinic LLCSt Francis, WI

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

Mack Karnes among 1,005 diagnostic radiology physician records in Wisconsin

Mack Karnes, M.D. is one of 1,005 diagnostic radiology physician records with a practice address in Wisconsin. 68% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 48% newer
  • In a Medicare fileYes · 68% of these records are
  • In the CMS Doctors and Clinicians fileYes · 66% of these records are
  • Graduated1971 · median 2006 among the 664 with a school on file
  • Record last updated2024 · 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 2085R0202X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

56 diagnostic radiology physician records list a practice address in St Francis

They are 56 of the 146 NPPES records with a practice address in St Francis, and 1,005 diagnostic radiology physician records in Wisconsin.

All 1,005 in Wisconsin → Every provider in St Francis → Diagnostic Radiology Physician nationwide →

The 8 diagnostic radiology physician records with the nearest ZIP codes

  1. Jeffrey Hartwick, M.D.St Francis, WI 532351386671592
  2. Ryan Hilbelink, M.D.St Francis, WI 532351215963608
  3. Richard Jochem, MDSt Francis, WI 532351407893191
  4. Jaideep Joshi, MDSt Francis, WI 532351972572592
  5. Kari Kluessendorf, M.D.St Francis, WI 532351477589869
  6. Bryan Laundre, M.D.St Francis, WI 532351578543401
  7. Brian Lundeen, MDSt Francis, WI 532351194775445
  8. Paul Madsen, MDSt Francis, WI 532351760440994

Common questions

What is Mack Karnes, M.D.'s NPI number?

Mack Karnes, M.D.'s National Provider Identifier (NPI) is 1225072721, issued on Jun 15, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Mack Karnes, M.D. located?

The NPPES record lists a practice address at 2000 E Layton Ave, St Francis, WI, 53235. Phone: (414) 744-6589. Providers update this record themselves, so call before visiting.

How can I verify Mack Karnes, M.D.'s license?

NPPES lists Wisconsin license number 21496, 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. 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.