Hematologists and Oncologists in South Dakota
Data updated monthly · Last refresh October 2026
32 Hematology & Oncology providers practice in South Dakota, including 16 (50%) offering telehealth. The largest concentration is in Sioux Falls. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
32providers
16telehealth
Sioux Fallstop city
Hematology & Oncology by city in South Dakota
Choose a city to see providers there.
Where Hematologists and Oncologists in South Dakota practice
From CMS Medicare enrollment records covering 19 of the 32 providers listed here (59%). Providers who do not bill Medicare are not included in these figures.
0%solo or small practice (under 10 clinicians)
0%mid-size group (10 to 99)
100%large group or health system (100+)
Largest practice groups
| Group (as registered with Medicare) | Hematologists and Oncologists | All clinicians in group | Main city |
| Avera Mckennan | 8 | 957 | Sioux Falls |
| Sanford Medical Center | 7 | 847 | Sioux Falls |
| Monument Health Rapid City Hospital Inc. | 3 | 560 | Rapid City |
Hospitals where they hold privileges
| Hospital | City | Ownership | CMS star rating | Hematologists and Oncologists affiliated |
| Avera Mckennan Hospital & University Health Center | Sioux Falls | Nonprofit | 4 of 5 | 8 |
| Sanford Usd Medical Center | Sioux Falls | Nonprofit | 5 of 5 | 7 |
| Avera Queen of Peace | Mitchell | Nonprofit | 4 of 5 | 6 |
| Avera St Mary's Hospital | Pierre | Nonprofit | 2 of 5 | 6 |
| Sanford Vermillion Medical Center | Vermillion | Nonprofit | Not rated | 4 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Hematology & Oncology providers in South Dakota
Listed by city, largest first. 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. Richard Conklin, MDAberdeen, SD · $245 in drug and device payments (2025) · Telehealth ·
(605) 622-8700 Dr. Bayan Al Share, MDRapid City, SD · No drug or device payments recorded (2025) ·
(248) 949-9054 Dr. Ghassan Al-shbool, MDRapid City, SD · $18 in drug and device payments (2025) ·
(605) 755-1000 Dr. James Kuzman, M.D., PH.D.Rapid City, SD · $72 in drug and device payments (2025) ·
(605) 755-2300 Dr. Ulyana Dashkevych, DORapid City, SD · $3,051 in drug and device payments (2025) ·
(605) 755-2300 Dr. Allison WatsonSioux 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, MDSioux 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, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-8000 Dr. Heidi Mckean, MDSioux 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, MDSioux 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, MDSioux 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, MBBSSioux Falls, SD · $3,402 in drug and device payments (2025) · Telehealth ·
(605) 322-3035 Dr. Si-yuen Moy, M.D.Siuox Falls, SD · No drug or device payments recorded (2025) ·
(605) 336-3230 Dr. Bipinkumar Amin, MDWatertown, SD · $17,230 in drug and device payments (2025) ·
(605) 882-6800 Dr. Ferdinand Addo, MDWatertown, SD · No drug or device payments recorded (2025) ·
(605) 882-6800 Dr. Mary Lee Villanueva, MDYankton, SD · No drug or device payments recorded (2025) · Telehealth ·
(605) 665-7841 Dr. Max Farver, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Conditions Hematology & Oncology providers in 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.
- Breast cancer
- Lung cancer
- Lymphoma
- Leukemia
- Anemia
- Blood disorders
Common questions
How many Hematology & Oncology providers are in South Dakota?There are 32 Hematology & Oncology providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.
Do Hematology & Oncology providers in South Dakota offer telehealth?Yes. 16 of the 32 Hematology & Oncology providers in South Dakota (about 50%) report offering telehealth services in CMS data.
Which cities in South Dakota have the most Hematology & Oncology providers?Sioux Falls (22), Rapid City (4), Yankton (2) have the highest concentration of Hematology & Oncology providers in South Dakota.
How many Hematology & Oncology providers in South Dakota received drug or device company payments?19 of 32 Hematology & Oncology providers in South Dakota (59%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Hematology & Oncology providers in South Dakota treat?Hematology & Oncology providers 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 counts and profiles 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.
Do most Hematologists and Oncologists in South Dakota work in independent practices or large health systems?Among 19 Hematologists and Oncologists in South Dakota enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 100% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Hematologists and Oncologists in South Dakota work at?According to CMS facility affiliation records, the South Dakota hospitals where the most Hematologists and Oncologists hold privileges are Avera Mckennan Hospital & University Health Center in Sioux Falls; Sanford Usd Medical Center in Sioux Falls; Avera Queen of Peace in Mitchell.
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