Internal Medicine Doctors in South Dakota
Data updated monthly · Last refresh October 2026
244 Internal Medicine providers practice in South Dakota, including 11 (5%) 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.
244providers
11telehealth
Sioux Fallstop city
Internal Medicine by city in South Dakota
Choose a city to see providers there.
Internal Medicine 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. Song Hong, M.D.Sioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 357-1300 Dr. Sophie Two Hawk, M.D.Sioux Falls, SD · $45 in drug and device payments (2025) ·
(605) 504-1700 Dr. Stephen Billion, M.D.Sioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 336-2140 Dr. Stephen Luddington, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-7645 Dr. Syed Kazmi, MDSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-7905 Dr. Syed Shah, MDSioux Falls, SD · $31 in drug and device payments (2025) ·
(605) 271-2277 Dr. Tejaswini Vasamsetty, M.D.Sioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 322-7905 Dr. Timothy Hurley, M.D.Sioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 328-7500 Dr. Timothy O'shea, M.D.Sioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 328-7500 Dr. Tyler Jares, MDSioux Falls, SD · No drug or device payments recorded (2025) · Telehealth ·
(605) 322-7905 Dr. Ukamaka Nwadibia, MDSioux Falls, SD · $98 in drug and device payments (2025) ·
(605) 404-4000 Dr. Vasanthkumar Kuchangi, M.DSioux Falls, SD · No drug or device payments recorded (2025) ·
(605) 336-3230 Dr. Wahab Khan, MDSioux Falls, SD · $455 in drug and device payments (2025) ·
(605) 322-7905 Dr. Wendy Vetter, DOSioux Falls, SD · $653 in drug and device payments (2025) ·
(605) 328-9100 Dr. Francine Mousseau, MDSisseton, SD · No drug or device payments recorded (2025) ·
(056) 698-7606 Dr. Gregory Mcgriff, M.D.Sisseton, SD · No drug or device payments recorded (2025) ·
(605) 698-7606 Dr. Lawrence Riemer, MDSisseton, SD · No drug or device payments recorded (2025) ·
(605) 698-7606 Dr. Munir Ahmed, M.D.Sisseton, SD · No drug or device payments recorded (2025) ·
(605) 698-7606 Dr. Gary Childers, DOSpearfish, SD · No drug or device payments recorded (2025) ·
(605) 642-8414 Dr. Kevin Simonelic, M.D.Spearfish, SD · No drug or device payments recorded (2025) · Telehealth ·
(605) 644-4000 Dr. Prashant Mehta, MDSpearfish, SD · No drug or device payments recorded (2025) ·
(605) 644-4000 Dr. Richard Keim, MDSpearfish, SD · No drug or device payments recorded (2025) ·
(605) 642-8414 Dr. Gary Bubak, MDWagner, SD · No drug or device payments recorded (2025) ·
(605) 384-5457 Dr. Aaron Pickrel, DOWatertown, SD · No drug or device payments recorded (2025) ·
(605) 882-7000 Dr. Calvin Roseth, MDWatertown, SD · No drug or device payments recorded (2025) ·
(605) 886-8471 Dr. Catherine Gerrish, MDWatertown, SD · No drug or device payments recorded (2025) ·
(605) 886-8482 Dr. Edward Dickes, M.D.Watertown, SD · No drug or device payments recorded (2025) ·
(605) 886-8471 Dr. Ghaith Aboud, M.DWatertown, SD · $944 in drug and device payments (2025) ·
(605) 882-7000 Dr. Hollis Nipe, MDWatertown, SD · $616 in drug and device payments (2025) · Telehealth ·
(605) 886-8482 Dr. John Sneden, MDWatertown, SD · No drug or device payments recorded (2025) ·
(605) 884-2420 Dr. Kristen Pickrel, MDWatertown, SD · No drug or device payments recorded (2025) ·
(605) 886-1587 Dr. Amanda Sedlacek, DOYankton, SD · $298 in drug and device payments (2025) · Telehealth ·
(605) 665-7841 Dr. Beth Mikkelsen, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Dr. Clarissa Barnes, M.D.Yankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Dr. Daniel Megard, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Dr. Gregory Erickson, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 668-8100 Dr. Jay Hubner, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Dr. Jennifer Fillaus, D.O. Dr. John Frank, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Dr. Michael Hein, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 665-7841 Dr. Susan Fanta, MDYankton, SD · $14 in drug and device payments (2025) · Telehealth ·
(605) 665-7841 Dr. Theophilus Bortier, MDYankton, SD · No drug or device payments recorded (2025) ·
(605) 668-8000 Dr. Tyler Hanson, M.D.Yankton, SD · $29 in drug and device payments (2025) · Telehealth ·
(605) 665-7841 Conditions Internal Medicine providers in South Dakota commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in South Dakota?There are 244 Internal Medicine providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.
Do Internal Medicine providers in South Dakota offer telehealth?Yes. 11 of the 244 Internal Medicine providers in South Dakota (about 5%) report offering telehealth services in CMS data.
Which cities in South Dakota have the most Internal Medicine providers?Sioux Falls (111), Rapid City (43), Yankton (13) have the highest concentration of Internal Medicine providers in South Dakota.
How many Internal Medicine providers in South Dakota received drug or device company payments?73 of 244 Internal Medicine providers in South Dakota (30%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
What conditions do Internal Medicine providers in South Dakota treat?Internal Medicine providers commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Internal Medicine Doctors in South Dakota work in independent practices or large health systems?Among 120 Internal Medicine Doctors in South Dakota enrolled in Medicare, 6% bill through a solo or small practice with fewer than 10 clinicians, 9% through a mid-size group of 10 to 99, and 85% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
Which hospitals do Internal Medicine Doctors in South Dakota work at?According to CMS facility affiliation records, the South Dakota hospitals where the most Internal Medicine Doctors hold privileges are Avera Mckennan Hospital & University Health Center in Sioux Falls; Sanford Usd Medical Center in Sioux Falls; Monument Health Rapid City Hospital in Rapid City.
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