HealthcareDiscovery.AI / Doctors / South Dakota / Thoracic Surgery (Cardiothoracic Vascular Surgery)

Cardiothoracic Surgeons in South Dakota

Data updated monthly · Last refresh October 2026

15 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers practice in South Dakota, including 1 (7%) 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.

15providers
1telehealth
Sioux Fallstop city

Thoracic Surgery (Cardiothoracic Vascular Surgery) by city in South Dakota

Choose a city to see providers there.

Thoracic Surgery (Cardiothoracic Vascular Surgery) in Sioux Falls12 providers
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Rapid City3 providers

Where Cardiothoracic Surgeons in South Dakota practice

From CMS Medicare enrollment records covering 6 of the 15 providers listed here (40%). Providers who do not bill Medicare are not included in these figures.

Largest practice groups

Group (as registered with Medicare)Cardiothoracic SurgeonsAll clinicians in groupMain city
Sanford Clinic3268Sioux Falls
Heart Hospital of South Dakota LLC266Sioux Falls

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingCardiothoracic Surgeons affiliated
Sanford Usd Medical CenterSioux FallsNonprofit5 of 53
Avera Heart Hospital of South DakotaSioux FallsFor-profit5 of 52
Avera Mckennan Hospital & University Health CenterSioux FallsNonprofit4 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.

Thoracic Surgery (Cardiothoracic Vascular Surgery) 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. Paul Orecchia, MD
Rapid City, SD · $149 in drug and device payments (2025) · (605) 399-4300
Dr. Robert Gordon, MD
Rapid City, SD · $308 in drug and device payments (2025) · (605) 399-4300
Dr. Tommaso Cambiaghi
Rapid City, SD · $10,005 in drug and device payments (2025) · Telehealth · (281) 236-4711
Dr. Brian Duxbury, DO
Sioux Falls, SD · $228 in drug and device payments (2025) · (605) 977-5000
Dr. David Maziarz, M.D.
Sioux Falls, SD · $315 in drug and device payments (2025) · (605) 312-2100
Dr. John Grehan, MD PHD
Sioux Falls, SD · $40,983 in drug and device payments (2025) · (605) 312-2100
Dr. Keung Ung, M.D.
Sioux Falls, SD · $535 in drug and device payments (2025) · (605) 312-2100
Dr. Lewis Ofstein, MD
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 977-5000
Dr. Luyando Kalembo
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 838-5827
Dr. Marc Schechter, MD
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 941-1866
Dr. Paul Meyer, MD
Sioux Falls, SD · $149 in drug and device payments (2025) · (605) 977-5000
Dr. Peter Andreone, MD
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 977-5000
Dr. Steven Feldhaus, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 977-5000
Dr. Tommy Reynolds, MD
Sioux Falls, SD · $371 in drug and device payments (2025) · (605) 977-5000
Dr. Verlyn Nykamp, M.D.
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 312-2100

Common questions

How many Thoracic Surgery (Cardiothoracic Vascular Surgery) providers are in South Dakota?

There are 15 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.

Do Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in South Dakota offer telehealth?

Yes. 1 of the 15 Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in South Dakota (about 7%) report offering telehealth services in CMS data.

Which cities in South Dakota have the most Thoracic Surgery (Cardiothoracic Vascular Surgery) providers?

Sioux Falls (12), Rapid City (3) have the highest concentration of Thoracic Surgery (Cardiothoracic Vascular Surgery) providers in South Dakota.

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.

Which hospitals do Cardiothoracic Surgeons in South Dakota work at?

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

Related reading on HealthcareDiscovery.AI

Thoracic Surgery (Cardiothoracic Vascular Surgery) in all 50 states Search all 15 in the directory Ask Zach for help choosing

Related

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 Thoracic Surgery (Cardiothoracic Vascular Surgery) in South Dakota? Get featured.