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Hematology & Oncology in Sioux Falls, South Dakota

Data updated monthly · Last refresh September 2026

22 Hematology & Oncology providers practice in Sioux Falls. Listings are drawn from federal public records and are not endorsements.

Hematology & Oncology providers in Sioux Falls

Listed alphabetically. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.

Dr. Allison Watson
Sioux Falls, SD · No drug or device payments recorded (2025) · Telehealth · (605) 328-8000
Dr. Amy Sanford, M.D.
Sioux Falls, SD · $31 in drug and device payments (2025) · Telehealth · (605) 328-8000
Dr. Benjamin Solomon, MD
Sioux Falls, SD · $327 in drug and device payments (2025) · Telehealth · (605) 322-6900
Dr. Christopher Sumey, M.D.
Sioux Falls, SD · $68 in drug and device payments (2025) · Telehealth · (605) 328-8000
Dr. Gabriel Roman Souza, MD
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 322-8000
Dr. Heidi Mckean, MD
Sioux Falls, SD · $226 in drug and device payments (2025) · Telehealth · (605) 322-6900
Dr. Houman Nourkeyhani, M.D.
Sioux Falls, SD · $26 in drug and device payments (2025) · Telehealth · (605) 322-4996
Dr. Jonathan Bleeker, MD
Sioux Falls, SD · $50 in drug and device payments (2025) · Telehealth · (605) 328-8000
Dr. Keely Hack, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · Telehealth · (605) 328-8000
Dr. Kelly Mccaul, M.D.
Sioux Falls, SD · $91,414 in drug and device payments (2025) · (605) 322-3035
Dr. Loren Tschetter, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 328-8000
Dr. Mark Huber, M.D.
Sioux Falls, SD · $67 in drug and device payments (2025) · Telehealth · (605) 322-6900
Dr. Michael Keppen, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 328-8000
Dr. Michael Mchale, MD
Sioux Falls, SD · $280 in drug and device payments (2025) · (605) 322-6900
Dr. Miroslaw Mazurczak, M.D.
Sioux Falls, SD · $63 in drug and device payments (2025) · Telehealth · (605) 328-8000
Dr. Robert Nelimark, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 328-8000
Dr. Roberto Ferro Valdes, M.D.
Sioux Falls, SD · $862 in drug and device payments (2025) · (605) 322-3035
Dr. Ryan Vaca, M.D.
Sioux Falls, SD · $101 in drug and device payments (2025) · Telehealth · (605) 322-6900
Dr. Steven Powell, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · Telehealth · (605) 328-8000
Dr. Travis Snyders, M.D.
Sioux Falls, SD · $24 in drug and device payments (2025) · Telehealth · (605) 328-8000
Dr. Vinod Parameswaran, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 322-3035
Dr. Waqas Jehangir, MD, MBBS
Sioux Falls, SD · $3,402 in drug and device payments (2025) · Telehealth · (605) 322-3035

Conditions Hematology & Oncology providers in Sioux Falls, South Dakota commonly treat

Patients often search by condition rather than specialty. These are conditions typically managed by Hematology & Oncology providers. Individual practices vary, so confirm with the provider before booking.

Common questions

How many Hematology & Oncology providers are in Sioux Falls, South Dakota?

There are 22 Hematology & Oncology providers with active NPI records practicing in Sioux Falls, according to federal NPPES data refreshed monthly.

What conditions do Hematology & Oncology providers in Sioux Falls treat?

Hematology & Oncology providers in Sioux Falls commonly treat breast cancer, lung cancer, lymphoma, leukemia, anemia and related conditions. Individual practices vary, so confirm with the provider before booking.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

All specialties in Sioux Falls Hematology & Oncology across South Dakota

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.