Thomas B. Matheson, MD

Medicare activity in 2024

Official CMS public-use data for Thomas B. Matheson, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

• High blood pressure75%
• High cholesterol74%
• Arthritis59%
• Diabetes50%
• Heart failure50%
• Chronic kidney disease47%

Hospitals where Thomas B. Matheson works

Medicare's Facility Affiliation Data lists Thomas B. Matheson at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

• CHI Mercy HealthValley City, ND · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 351324
• Coteau Des Prairies Health Care SystemSisseton, SD · Critical Access Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 431339
• Madison Regional Health SystemMadison, SD · Critical Access Hospital · Emergency services: listed by Medicare · CCN 431300
• Sanford Jackson Medical CenterJackson, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241315
• Sidney Health CenterSidney, MT · Critical Access Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 271344

Practice locations

Addresses where Thomas B. Matheson is enrolled with Medicare (CMS data updated October 2, 2026).

• 323 SW 10th StMadison, SD 57042 (605) 256‑6551
• 570 Chautauqua BlvdValley City, ND 58072 (701) 845‑6400
• 701 3rd Ave SClear Lake, SD 57226

Group practices

Medicare enrollment lists Thomas B. Matheson as a member of these groups (CMS data updated October 2, 2026).

• Sanford Health Network351 clinicians in the group
• Madison Community Hospital47 clinicians in the group
• Mercy Hospital of Valley City8 clinicians in the group

Specialties

• Emergency Medicineprimary
• Family Practicealso

Find other Emergency Medicine doctors in South Dakota →

Other emergency medicine doctors in South Dakota

Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.

• Jamie L. Sheridan, MD
• Brook M. Eide, MD
• Michael D. Olivier, DO
• Benjamin E. Christians, DO
• Roy L. Mortinsen, MD
• Nichole M. Schafer, MD
• Blake C. Gustafson, MD
• Frank Reiser, MD

All emergency medicine doctors in South Dakota →

Other clinicians in Sanford Health Network

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

• Lindsay M. Habeck, NP
• Micheala Taylor, DO
• Holly M. Klink
• Luke V. Fuhrman, MD
• Ayobami Eluwole, MD
• Jason D. Spjut, DO

Clinician information

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 October 2, 2026, retrieved October 29, 2026
2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
6. Medicare Care Compare — official Medicare tool to look up clinicians