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Interventional Cardiologists in South Dakota

Data updated monthly · Last refresh October 2026

16 Interventional Cardiology providers practice in South Dakota. 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.

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Sioux Fallstop city

Interventional Cardiology by city in South Dakota

Choose a city to see providers there.

Interventional Cardiology in Sioux Falls9 providers
Interventional Cardiology in Watertown4 providers
Interventional Cardiology in Rapid City2 providers
Interventional Cardiology in Aberdeen1 providers

Where Interventional Cardiologists in South Dakota practice

From CMS Medicare enrollment records covering 13 of the 16 providers listed here (81%). Providers who do not bill Medicare are not included in these figures.

0%solo or small practice (under 10 clinicians)
46%mid-size group (10 to 99)
54%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)Interventional CardiologistsAll clinicians in groupMain city
Heart Hospital of South Dakota LLC566Sioux Falls
Sanford Medical Center3847Sioux Falls
Prairie Lakes Health Care System Inc.2111Watertown

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingInterventional Cardiologists affiliated
Avera Heart Hospital of South DakotaSioux FallsFor-profit5 of 56
Avera Mckennan Hospital & University Health CenterSioux FallsNonprofit4 of 55
Sanford Usd Medical CenterSioux FallsNonprofit5 of 54
Monument Health Rapid City HospitalRapid CityNonprofit3 of 52
Prairie Lakes Healthcare System, Inc.WatertownNonprofit3 of 52

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.

Interventional Cardiology 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. Susheel Gundewar, M.D.
Aberdeen, SD · $102 in drug and device payments (2025) · (605) 622-2573
Dr. Joseph Tuma, MD
Rapid City, SD · $4,055 in drug and device payments (2025) · (605) 755-4300
Dr. Thomas Wilson, M.D.
Rapid City, SD · $3,522 in drug and device payments (2025) · (605) 503-8192
Dr. Adam Stys, MD
Sioux Falls, SD · $975 in drug and device payments (2025) · (605) 328-2929
Dr. Jeremy Scott, M.D.
Sioux Falls, SD · $64 in drug and device payments (2025) · (605) 977-5000
Dr. John Wagener, M.D.
Sioux Falls, SD · $7,350 in drug and device payments (2025) · (605) 977-5000
Dr. Marian Petrasko, M.D.
Sioux Falls, SD · $590 in drug and device payments (2025) · (605) 312-2200
Dr. Raymond Allen, MD
Sioux Falls, SD · $24 in drug and device payments (2025) · (605) 977-5000
Dr. Sean Halligan, MD
Sioux Falls, SD · $102 in drug and device payments (2025) · (605) 977-5000
Dr. Tarek Mahrous, MD
Sioux Falls, SD · $148 in drug and device payments (2025) · (605) 977-5000
Dr. Thomas Waterbury, MD
Sioux Falls, SD · $134 in drug and device payments (2025) · (605) 977-5000
Dr. Tomasz Stys, M.D.
Sioux Falls, SD · $1,003 in drug and device payments (2025) · (605) 312-2200
Dr. Joseph Elliott, M.D.
Watertown, SD · $1,261 in drug and device payments (2025) · (605) 882-7000
Dr. Michael Fenster, MD
Watertown, SD · No drug or device payments recorded (2025) · (605) 882-7953
Dr. Ravishankar Kalaga, M.D.
Watertown, SD · $887 in drug and device payments (2025) · (605) 882-7000
Dr. Salem Maaliki, MD
Watertown, SD · $19 in drug and device payments (2025) · (605) 882-7953

Conditions Interventional Cardiology providers in South Dakota commonly treat

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

Common questions

How many Interventional Cardiology providers are in South Dakota?

There are 16 Interventional Cardiology providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.

Which cities in South Dakota have the most Interventional Cardiology providers?

Sioux Falls (9), Watertown (4), Rapid City (2) have the highest concentration of Interventional Cardiology providers in South Dakota.

What conditions do Interventional Cardiology providers in South Dakota treat?

Interventional Cardiology providers commonly treat coronary artery disease, heart attack, blocked arteries, stent placement, angioplasty 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 Interventional Cardiologists in South Dakota work in independent practices or large health systems?

Among 13 Interventional Cardiologists in South Dakota enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 46% through a mid-size group of 10 to 99, and 54% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Interventional Cardiologists in South Dakota work at?

According to CMS facility affiliation records, the South Dakota hospitals where the most Interventional Cardiologists hold privileges are Avera Heart Hospital of South Dakota in Sioux Falls; Avera Mckennan Hospital & University Health Center in Sioux Falls; Sanford Usd Medical Center in Sioux Falls.

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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. Are you a Interventional Cardiology in South Dakota? Get featured.