Susan M. Duffek, MD

Medicare activity in 2024

Official CMS public-use data for Susan M. Duffek, 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.

Most frequent services

1. X-ray of chest, 1 view (71045)365 services
2. X-ray of chest, 2 views (71046)274 services
3. Ct scan of abdomen and pelvis with contrast (74177)112 services
4. Ct scan of blood vessels of chest with contrast (71275)42 services
5. X-ray of abdomen, 1 view (74018)40 services

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 cholesterol75%
• Arthritis51%
• Ischemic heart disease46%
• Chronic kidney disease36%
• Heart failure35%

Hospitals where Susan M. Duffek works

Medicare's Facility Affiliation Data lists Susan M. Duffek 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.

• Sanford Luverne Medical CenterLuverne, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241371
• Sanford Sheldon Medical CenterSheldon, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161381
• Sanford Usd Medical CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 430027
• Sanford Worthington Medical CenterWorthington, MN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 240022
• United Hospital DistrictBlue Earth, MN · Critical Access Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 241369

Practice locations

Addresses where Susan M. Duffek is enrolled with Medicare (CMS data updated October 2, 2026).

• 1210 W 18th St, Suite Ll03Sioux Falls, SD 57104 (605) 328‑1410
• 1301 W 18th StSioux Falls, SD 57105
• 1305 W 18th StSioux Falls, SD 57105
• 525 N Foster StMitchell, SD 57301 (605) 995‑5635

Group practices

Medicare enrollment lists Susan M. Duffek as a member of this group (CMS data updated October 2, 2026).

• Sanford Clinic268 clinicians in the group

Specialties

• Diagnostic Radiologyprimary

Find other Diagnostic Radiology doctors in South Dakota →

Other radiologists in Sioux Falls

Clinicians with the same Medicare primary specialty in Sioux Falls, SD — not a recommendation.

• Anders S. Grinde, MD
• Terry D. Yeager, MD
• Nicholas P. Fleege, MD
• Daniel L. Fetzer, MD
• Andrew J. Erie, MD
• Francisco A. Eguia, MD
• Sabina Choudhry, MD
• Patsy A. Uken, MD

All radiologists in Sioux Falls →

Other clinicians in Sanford Clinic

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

• Sassen S. Kwasa, MD
• Nicholas A. Cassuto, MD
• Richard Gandee, DO
• Sankaman Praisoody, MD
• Spencer Schilling, MD
• Ryan W. Askeland, MD

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