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Family Practice

Thomas L. Hartjes, MD

Works at hospitals in Madison, WI · Wisconsin

Summary

Thomas L. Hartjes, MD (Family Practice) is listed by Medicare at 1 hospital in Madison, WI. NPI 1083635700. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Thomas L. Hartjes, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
46Years since medical school (graduated 1980)
Medical College Of WisconsinMedical school
MaleGender (as listed)
University of Wisconsin Medical Foundation IncGroup practice

Quick answers

Which hospitals does Thomas L. Hartjes work at?
Medicare's official clinician data lists Thomas L. Hartjes at 1 hospital: University of WI Hospitals & Clinics Authority. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Thomas L. Hartjes see patients?
Medicare's clinician data lists 2 practice locations, including Madison, WI. Call before your visit to confirm the address.
What is Thomas L. Hartjes's specialty?
Medicare lists Family Practice as the primary specialty.
Does Thomas L. Hartjes accept Medicare assignment?
Yes. Medicare's clinician data says Thomas L. Hartjes accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Thomas L. Hartjes?
(608) 242-6865, as listed in official Medicare / NPI Registry data.
What is Thomas L. Hartjes's NPI number?
1083635700. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Thomas L. Hartjes works

Medicare's Facility Affiliation Data lists Thomas L. Hartjes at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Thomas L. Hartjes is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Thomas L. Hartjes as a member of this group (CMS data updated 2026-10-02).

  • University of Wisconsin Medical Foundation Inc2,553 clinicians in the group

Specialties

Find other Family Practice doctors in Wisconsin →

Other family doctors in Madison

Clinicians with the same Medicare primary specialty in Madison, WI — not a recommendation.

All family doctors in Madison →

Clinician information

CredentialMD
Medical schoolMedical College Of Wisconsin
Graduation year1980
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1083635700
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians