NPPES file of Aug 9, 2026

Margaret Joy Punt, M.D.

Internal Medicine Physician · Madison, WI

Margaret Joy Punt, M.D. is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1417376450, issued on Apr 7, 2014. Check the license (Wisconsin 65230-20, 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
1417376450
Name
Margaret Joy Punt
Credential
M.D.
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
65230-20 WI
Self-reported in NPPES; status is on the state search
Practice location
1313 Fish Hatchery RD, Madison, WI 53715
Phone
(608) 252-8000
Enumerated
Apr 7, 2014
Record last updated
Nov 13, 2020 (not updated in 6 years: call before relying on the address or phone)
Fax
(608) 252-8233
Medicaid ID
1417376450 WI
Medicare enrollment
Enrolled (PECOS I20171108003777); accepts Medicare assignment
Medical or professional school
University Of Nebraska College Of Medicine, 2014
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.
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Also registered at 1313 Fish Hatchery RD

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

  1. Janice Antoniewicz-Werner, CDRegistered Dietitian1790741288
  2. Brian ApelPharmacist1013188069
  3. Gregory BartelsPharmacist1861716698
  4. Gretchen Batterman, PSYDClinical Neuropsychologist1285784348
  5. Michael Bernhard, PHDPsychologist1285678672
  6. Andrew Bognar, PHARMDPharmacist1508221029

Verify Margaret Joy Punt in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 65230-20
    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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2.9 times the Medicare Part D claims of the average internal medicine physician in 2024

9,334 Medicare Part D claims for 715 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 147 claims were for opioids.

  1. Margaret Punt9,334
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium770 claims
  2. Levothyroxine Sodium417 claims
  3. Omeprazole382 claims
  4. Amlodipine Besylate303 claims
  5. Losartan Potassium266 claims
  6. Metformin Hcl Er243 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. Dean Health Systems IncMadison, WI

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

Margaret Joy Punt among 2,078 internal medicine physician records in Wisconsin

Margaret Joy Punt, M.D. 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 2014, is newer than 72% of them.

  • NPI issued2014 · 72% of these records are older, 27% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2014 · median 2002 among the 1,098 with a school on file
  • Record last updated2020 · 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).

417 internal medicine physician records list a practice address in Madison

They are 417 of the 15,014 NPPES records with a practice address in Madison, and 2,078 internal medicine physician records in Wisconsin.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Thomas Bugliosi, M.D.Madison, WI 537151629055124
  2. Rebecca Byers, MDMadison, WI 537151568439248
  3. Tony Chang, MDMadison, WI 537151831166990
  4. Heather Childers-Okas, DOMadison, WI 537151093782765
  5. Richard Day, MDMadison, WI 537151972570653
  6. Elizabeth George, MDMadison, WI 537151255308409
  7. Jeremy Jaskunas, MDMadison, WI 537151568438414
  8. Frank Kilpatrick, MDMadison, WI 537151154397172

Common questions

What is Margaret Joy Punt, M.D.'s NPI number?

Margaret Joy Punt, M.D.'s National Provider Identifier (NPI) is 1417376450, issued on Apr 7, 2014. An NPI identifies a provider in billing; it is not a license.

Where is Margaret Joy Punt, M.D. located?

The NPPES record lists a practice address at 1313 Fish Hatchery RD, Madison, WI, 53715. Phone: (608) 252-8000. Providers update this record themselves, so call before visiting.

How can I verify Margaret Joy Punt, M.D.'s license?

NPPES lists Wisconsin license number 65230-20, 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 Margaret Joy Punt, M.D. prescribe under Medicare Part D?

In 2024, Margaret Joy Punt, M.D. had 9,334 Medicare Part D claims for 715 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.