Gina M. Risty, MD

Medicare activity in 2024

Official CMS public-use data for Gina M. Risty, 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. Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes (99222)12 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 cholesterol75%
• High blood pressure73%
• Arthritis57%
• Anxiety40%
• Chronic kidney disease40%

Hospitals where Gina M. Risty works

Medicare's Facility Affiliation Data lists Gina M. Risty 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.

• Avera Marshall Regional Medical CenterMarshall, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241359
• Avera McKennan Hospital & University Health CenterSioux Falls, SD · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 430016
• Prairie Lakes Healthcare System, IncWatertown, SD · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 430005
• Prairie Ridge Hospital and Health ServicesElbow Lake, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241379

Practice locations

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

• 300 S Bruce St, SMarshall, MN 56258 (507) 532‑9661
• 401 9th Ave NWWatertown, SD 57201 (605) 886‑9317
• 4405 E 26th StSioux Falls, SD 57103
• 901 4th St NWWatertown, SD 57201 (605) 886‑8471

Group practices

Medicare enrollment lists Gina M. Risty as a member of these groups (CMS data updated October 2, 2026).

• Sanford Medical Center857 clinicians in the group
• Avera Marshall99 clinicians in the group

Specialties

• General Surgeryprimary

Find other General Surgery doctors in Minnesota →

Other general surgeons in Minnesota

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

• Jeffrey A. Horak, MD
• Antonio Gangemi, MD
• Mark A. Traynham, MD
• Andrew J. Surmak, MD
• Timothy M. Thormodsgard, MD
• Katie S. Lewandowski, DO
• Mark S. Claussen, MD
• Wesley J. Halseth, MD

All general surgeons in Minnesota →

Other clinicians in Sanford Medical Center

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

• Jennifer L. Houwman, PA
• Elishia A. Christians
• Anand Dayama, MD
• Hasmik Amirjanyan, MD
• Naomi J. Samuelson
• Justin D. Tuntland, NP

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