NPPES file of Aug 9, 2026

Thomas William Kerndt, MD

Adult Medicine Physician · Madison, WI

Thomas William Kerndt, MD is an adult medicine physician with a practice address in Madison, Wisconsin, and NPI 1245869452, issued on Apr 8, 2020. Check the license (Wisconsin 7754120, 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
1245869452
Name
Thomas William Kerndt
Credential
MD
Primary taxonomy
Adult Medicine Physician 207QA0505X
License number
7754120 WI
Self-reported in NPPES; status is on the state search
Practice location
4410 Regent St, Madison, WI 53705
Phone
(608) 233-9746
Enumerated
Apr 8, 2020
Record last updated
Dec 27, 2023
Medicare enrollment
Enrolled (PECOS I20231005003575); accepts Medicare assignment
Telehealth
Offers telehealth (CMS)
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.
Download card Updates feed

Also registered at 4410 Regent St

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

  1. Thomas Ansfield, M.D.Internal Medicine Physician1700848538
  2. Casey Birschbach, MDInternal Medicine Physician1366005928
  3. Amy Buencamino, M.D.Pediatrics Physician1619939493
  4. Puneet Dhillon, M.D.Internal Medicine Physician1073855474
  5. Nicole Ertl, M.D.Pediatrics Physician1457664385
  6. John Ewalt, M.D.Internal Medicine Physician1518923283

Verify Thomas William Kerndt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 7754120
    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.

Is this page about you? You can ask us to correct, restrict or remove it: how.

27% fewer Medicare Part D claims than the average adult medicine physician in 2024

2,198 Medicare Part D claims for 258 beneficiaries, against an average of 3,002 among the 1,307 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 43 claims were for opioids.

  1. Thomas Kerndt2,198
  2. Specialty average3,002

Most prescribed

  1. Atorvastatin Calcium117 claims
  2. Eliquis103 claims
  3. Amlodipine Besylate98 claims
  4. Lisinopril95 claims
  5. Tamsulosin Hcl88 claims
  6. Metoprolol Succinate73 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. Associated Physicians, LLPMadison, WI

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

Thomas William Kerndt among 27 adult medicine physician records in Wisconsin

Thomas William Kerndt, MD is one of 27 adult medicine physician records with a practice address in Wisconsin. 48% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 81% of them.

  • NPI issued2020 · 81% of these records are older, 11% newer
  • In a Medicare fileYes · 48% of these records are
  • In the CMS Doctors and Clinicians fileYes · 26% of these records are
  • Record last updated2023 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207QA0505X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Adult Medicine Physician providers in Wisconsin

There are 27 adult medicine physician records in Wisconsin.

The 8 adult medicine physician records with the nearest ZIP codes

  1. Robert Kerwin, MDMadison, WI 537151447388350
  2. Richard Rieselbach, M.D.Middleton, WI 535621184155194
  3. Karen Eldevick, MDMarinette, WI 541431962493718
  4. Michael Grebner, M. D.Milwaukee, WI 532331790940963
  5. James Magliocco, D.O.Wauwatosa, WI 532261427053818
  6. Jeffrey Reichel, D.O.Wauwatosa, WI 532261851396246
  7. Chibuzor OdigiliMilwaukee, WI 532171285438390
  8. Wieslaw Frankowski, M.D.Milwaukee, WI 532151669591640

Common questions

What is Thomas William Kerndt, MD's NPI number?

Thomas William Kerndt, MD's National Provider Identifier (NPI) is 1245869452, issued on Apr 8, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Thomas William Kerndt, MD located?

The NPPES record lists a practice address at 4410 Regent St, Madison, WI, 53705. Phone: (608) 233-9746. Providers update this record themselves, so call before visiting.

How can I verify Thomas William Kerndt, MD's license?

NPPES lists Wisconsin license number 7754120, 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 Thomas William Kerndt, MD prescribe under Medicare Part D?

In 2024, Thomas William Kerndt, MD had 2,198 Medicare Part D claims for 258 beneficiaries; the average among adult medicine physician prescribers was 3,002. 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.