NPPES file of Aug 9, 2026

Marley Jo Foertsch, MD

Internal Medicine Physician · Madison, WI

Marley Jo Foertsch, MD is an internal medicine physician with a practice address in Madison, Wisconsin, and NPI 1972183044, issued on Apr 12, 2021. Check the license (Wisconsin 8145620, 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
1972183044
Name
Marley Jo Foertsch
Credential
MD
Primary taxonomy
Internal Medicine Physician 207R00000X
License numbers
8145620 WI
81456-20 WI
Self-reported in NPPES; status is on the state search
Practice location
700 S Park St, Madison, WI 53715
Phone
(608) 251-6100
Enumerated
Apr 12, 2021
Record last updated
Sep 30, 2024
Fax
(608) 258-6259
Medicaid ID
1972183044 WI
Medicare enrollment
Enrolled (PECOS I20241009002538); 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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Also registered at 700 S Park St

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

  1. Axel AdamsEmergency Medicine Physician1366905192
  2. Muhammad Akbar, MDHospitalist Physician1720096753
  3. Ibrahim Al-Sanouri, MDPulmonary Disease Physician1356452833
  4. Clark Albert, MDAnesthesiology Physician1457300634
  5. Michael Allan, MDGastroenterology Physician1558300822
  6. Shane Allen, M.D.Emergency Medicine Physician1649478231

Verify Marley Jo Foertsch in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 8145620
    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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91% fewer Medicare Part D claims than the average internal medicine physician in 2024

294 Medicare Part D claims for 86 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.

  1. Marley Foertsch294
  2. Specialty average3,176

Most prescribed

  1. Atorvastatin Calcium19 claims
  2. Amlodipine Besylate13 claims
  3. Furosemide12 claims
  4. Metoprolol Succinate12 claims
  5. Eliquis11 claims
  6. Lisinopril11 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).

Marley Jo Foertsch among 2,078 internal medicine physician records in Wisconsin

Marley Jo Foertsch, MD 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 2021, is newer than 86% of them.

  • NPI issued2021 · 86% of these records are older, 11% newer
  • In a Medicare fileYes · 70% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2021 · median 2002 among the 1,098 with a school on file
  • Record last updated2024 · 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 Marley Jo Foertsch, MD's NPI number?

Marley Jo Foertsch, MD's National Provider Identifier (NPI) is 1972183044, issued on Apr 12, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Marley Jo Foertsch, MD located?

The NPPES record lists a practice address at 700 S Park St, Madison, WI, 53715. Phone: (608) 251-6100. Providers update this record themselves, so call before visiting.

How can I verify Marley Jo Foertsch, MD's license?

NPPES lists Wisconsin license number 8145620, 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 Marley Jo Foertsch, MD prescribe under Medicare Part D?

In 2024, Marley Jo Foertsch, MD had 294 Medicare Part D claims for 86 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.