CancerDrs

Radiation Oncology in South Dakota

26 licensed radiation oncologists practicing in South Dakota across 9 cities.

This page republishes public records from the federal NPI Registry, which every licensed U.S. healthcare provider is required to maintain. These are federal-agency records, not a directory we compile.

Source: NPI Registry · last checked

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NPI Registry records — Radiation Oncology in South Dakota

8 of 26 shown have disclosed payments in CMS Open Payments (2024)

Showing 26 of 26 federal NPI records, alphabetical by last name. Contact details come directly from the NPI Registry — verify currency with the provider's office. Pharma / device payment disclosures from CMS Open Payments are shown where the physician appears in that federal database.

Troy Edward Adolfson, MD

620 3rd Ave Se

Aberdeen, SD 57401 · (605) 622-5500

License: 51555 (MN)

NPI 1578794715 →

Kyle Owen Arneson, MD

1000 E 23rd St Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 9111 (SD)

NPI 1760625768 →

In 2024, $83 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($83).

Largest single payer: Medtronic, Inc. ($58).

Itemized records on CMS Open Payments →

Jeffrey S Brindle, MD

401 9th Ave Nw

Watertown, SD 57201 · (605) 882-7000

License: 1610 (SD)

NPI 1619906120 →

Joni Buechler-Price, MD

401 9th Ave Nw

Watertown, SD 57201 · (605) 882-7000

License: 9059 (SD)

NPI 1104025113 →

In 2023, $106 was disclosed to this physician across 2 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($106).

Itemized records on CMS Open Payments →

Stephen Dick, MD

605 N Foster St

Mitchell, SD 57301 · (605) 995-5756

License: 5511 (SD)

NPI 1568427144 →

In 2024, $89 was disclosed to this physician across 4 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($89).

Largest single payer: Merck Sharp & Dohme LLC ($55).

Itemized records on CMS Open Payments →

Eric Stener Eastmo, MD

353 Fairmont Blvd

Rapid City, SD 57701 · (605) 719-8559

License: 5447 (SD)

NPI 1437144102 →

Kirsten R Erickson, MD

1417 S Minnesota Ave

Sioux Falls, SD 57105 · (605) 336-0515

License: 1507 (SD)

NPI 1336100247 →

Ethan Foster, MD

820 4th St N

Fargo, ND 58102 · (701) 234-6161

License: 11901 (ND)

NPI 1679693147 →

Joel L Grow, MD

1000 E 23rd St Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 11300 (SD)

NPI 1710270061 →

Elliot Lawrence

820 4th St N

Fargo, ND 58102 · (701) 234-6161

License: 15886 (ND)

NPI 1629424627 →

In 2023, $157 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($157).

Itemized records on CMS Open Payments →

Michele M Lohr, MD

1309 W 17th St

Sioux Falls, SD 57104 · (605) 328-6001

License: 7569 (SD)

NPI 1215908686 →

Steven McGraw, MD

1309 W 17th St

Sioux Falls, SD 57104 · (605) 328-6001

License: 5050 (SD)

NPI 1396702338 →

Enrique Flores Mendoza, MD

305 S State St

Aberdeen, SD 57401 · (605) 622-5500

License: 1776 (SD)

NPI 1659487999 →

Charles William Murphy, MD

1000 E 23rd St Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 8484 (SD)

NPI 1821293952 →

Collin Noldner, MD

1000 E 23rd St Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 15566 (SD)

NPI 1063076719 →

Ryan K Nowak, MD

1309 W 17th St

Sioux Falls, SD 57104 · (605) 328-6001

License: 9128 (SD)

NPI 1265691133 →

Daniel Grant Petereit, MD

353 Fairmont Blvd

Rapid City, SD 57701 · (605) 719-8559

License: 4542 (SD)

NPI 1568457257 →

In 2024, $284 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($284).

Largest single payer: Arrow International, Inc. ($144).

Itemized records on CMS Open Payments →

Michael E Peterson, MD

1115 W 9th St

Yankton, SD 57078 · (605) 668-8850

License: 4826 (SD)

NPI 1336238757 →

In 2024, $65 was disclosed to this physician across 3 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($65).

Largest single payer: Janssen Biotech, Inc. ($30).

Itemized records on CMS Open Payments →

Barbara Anne Schlager, MD

1000 E 23rd St, Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 5903 (SD)

NPI 1134206949 →

Kathleen Lynne Schneekloth, MD

1000 E 23rd St, Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 4979 (SD)

NPI 1891757290 →

In 2024, $178 was disclosed to this physician across 10 transactions by pharmaceutical or medical-device companies.

Mostly entertainment ($178).

Largest single payer: Janssen Biotech, Inc. ($52).

Itemized records on CMS Open Payments →

James H Simon, MD

1000 E 23rd St, Ste 100

Sioux Falls, SD 57105 · (605) 322-1625

License: 8285 (SD)

NPI 1760484570 →

Na Smith

1309 W 17th St

Sioux Falls, SD 57104 · (605) 328-6001

License: 12820 (SD)

NPI 1811350218 →

Michael John Swartz, MD

353 Fairmont Blvd

Rapid City, SD 57701 · (605) 719-8559

License: 7285 (SD)

NPI 1225174402 →

In 2024, $26 was disclosed to this physician across 1 transaction by pharmaceutical or medical-device companies.

Mostly entertainment ($26).

Largest single payer: NOVARTIS PHARMACEUTICALS CORPORATION ($26).

Itemized records on CMS Open Payments →

Daniel Martin Tackett, MD

3751 Skyline Dr

Rapid City, SD 57701 · (605) 341-7248

License: 1894 (SD)

NPI 1457347007 →

Cameron Thorpe

520 S Eagle Rd

Meridian, ID 83642 · (208) 706-5651

License: M-17770 (ID)

NPI 1972039782 →

Hee J. Yoon, MD

1018 6th Ave

Worthington, MN 56187 · (507) 343-6100

License: 53243 (MN)

NPI 1417930363 →

Payment totals shown for the latest published program year (2024). Presence of disclosed payments is not, on its own, a conflict of interest. Physicians dispute records directly with CMS (dispute process). How we show this.

Open Payments figures as displayed on . Corrections flow from the manufacturer through CMS and are adopted on our next refresh.

What this page is: a republication of public federal NPI Registry records, filtered to the radiation oncology taxonomy. It is not a directory we curate, and inclusion is automatic based on each provider's own NPI filing with CMS. Providers who believe their NPI record is inaccurate should update it directly with CMS at npiregistry.cms.hhs.gov; our next refresh adopts the corrected federal record.

Practice info disclaimer: Provider addresses and phone numbers come from the NPI Registry, which providers update at their discretion. Always call ahead to confirm the provider is currently accepting patients and is at the listed address.

Medical disclaimer: This page is not a quality ranking and does not constitute medical advice or endorsement. Choose a provider in consultation with your primary care physician or care team.

Source: NPI Registry (taxonomy: Radiation Oncology) · Last checked: 2026-04-20