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Neurosurgeons in South Dakota

Data updated monthly · Last refresh October 2026

27 Neurological Surgery providers practice in South Dakota, including 2 (7%) offering telehealth. The largest concentration is in Rapid City. 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.

27providers
2telehealth
Rapid Citytop city

Neurological Surgery by city in South Dakota

Choose a city to see providers there.

Neurological Surgery in Rapid City10 providers
Neurological Surgery in Dakota Dunes8 providers
Neurological Surgery in Sioux Falls7 providers
Neurological Surgery in Fort Meade1 providers
Neurological Surgery in Pierre1 providers

Where Neurosurgeons in South Dakota practice

From CMS Medicare enrollment records covering 12 of the 27 providers listed here (44%). Providers who do not bill Medicare are not included in these figures.

0%solo or small practice (under 10 clinicians)
42%mid-size group (10 to 99)
58%large group or health system (100+)

Largest practice groups

Group (as registered with Medicare)NeurosurgeonsAll clinicians in groupMain city
Cnos PC598Dakota Dunes
Sanford Medical Center4847Sioux Falls
Avera Mckennan2957Sioux Falls

Hospitals where they hold privileges

HospitalCityOwnershipCMS star ratingNeurosurgeons affiliated
Dunes Surgical HospitalDakota DunesFor-profitNot rated5
Sanford Usd Medical CenterSioux FallsNonprofit5 of 54
Sanford Medical Center AberdeenAberdeenNonprofit4 of 53
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.

Neurological 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. Grant Shumaker, MD
Dakota Dunes, SD · $107 in drug and device payments (2025) · (605) 217-2667
Dr. Hendrik Klopper, MD
Dakota Dunes, SD · $280 in drug and device payments (2025) · (605) 217-2667
Dr. John Pracyk, MD, PHD, MBA
Dakota Dunes, SD · No drug or device payments recorded (2025) · (605) 217-2667
Dr. Luis Diaz-aguilar, MD
Dakota Dunes, SD · $1,118 in drug and device payments (2025) · (605) 217-2667
Dr. Matthew Johnson, MD, MPH
Dakota Dunes, SD · $179 in drug and device payments (2025) · (605) 217-2667
Dr. Quentin Durward, MD
Dakota Dunes, SD · $48 in drug and device payments (2025) · (605) 217-2667
Dr. Ralph Reeder, MD
Dakota Dunes, SD · No drug or device payments recorded (2025) · (605) 217-2667
Dr. Thorir Ragnarsson, MD
Dakota Dunes, SD · No drug or device payments recorded (2025) · (605) 217-2667
Dr. Jorge Johnson, MD
Fort Meade, SD · No drug or device payments recorded (2025) · (605) 720-7145
Dr. Gonzalo Sanchez, MD
Pierre, SD · No drug or device payments recorded (2025) · (605) 224-7070
Dr. Bryan Wellman, MD
Rapid City, SD · No drug or device payments recorded (2025) · (605) 341-1414
Dr. James Nabwangu, MD
Rapid City, SD · No drug or device payments recorded (2025) · (605) 719-5650
Dr. Jonathan Wilson, M.D.
Rapid City, SD · $874 in drug and device payments (2025) · Telehealth · (605) 341-2424
Dr. Larry Teuber, M.D.
Rapid City, SD · No drug or device payments recorded (2025) · (605) 484-1616
Dr. Mark Monasky, MD
Rapid City, SD · $24 in drug and device payments (2025) · (605) 719-5700
Dr. Rodney Samuelson, MD
Rapid City, SD · No drug or device payments recorded (2025) · (605) 755-6100
Dr. Stuart Rice, M.D.
Rapid City, SD · No drug or device payments recorded (2025) · (605) 341-2424
Dr. Theodore Obenchain, MD
Rapid City, SD · No drug or device payments recorded (2025) · (605) 719-5650
Dr. Tim Watt, M.D.
Rapid City, SD · No drug or device payments recorded (2025) · (605) 341-2424
Dr. Troy Gust, M.D.
Rapid City, SD · $18 in drug and device payments (2025) · Telehealth · (605) 341-1414
Dr. George Yang
Sioux Falls, SD · $483 in drug and device payments (2025) · (605) 312-8500
Dr. Margaret Carmody, M.D.
Sioux Falls, SD · $218 in drug and device payments (2025) · (605) 322-8860
Dr. Mark Fox, MD
Sioux Falls, SD · No drug or device payments recorded (2025) · (605) 322-4825
Dr. Michael Opoku-darko, M.D., MSC.
Sioux Falls, SD · $785 in drug and device payments (2025) · (605) 312-8500
Dr. Michael Puumala, MD
Sioux Falls, SD · $53 in drug and device payments (2025) · (605) 322-8860
Dr. Seokchun Lim
Sioux Falls, SD · $1,761 in drug and device payments (2025) · (605) 312-8500
Dr. Shawn Vuong, M.D.
Sioux Falls, SD · $22,424 in drug and device payments (2025) · (605) 312-8500

Conditions Neurological Surgery providers in South Dakota commonly treat

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

Common questions

How many Neurological Surgery providers are in South Dakota?

There are 27 Neurological Surgery providers with active NPI records practicing in South Dakota, according to federal NPPES data refreshed monthly.

Do Neurological Surgery providers in South Dakota offer telehealth?

Yes. 2 of the 27 Neurological Surgery providers in South Dakota (about 7%) report offering telehealth services in CMS data.

Which cities in South Dakota have the most Neurological Surgery providers?

Rapid City (10), Dakota Dunes (8), Sioux Falls (7) have the highest concentration of Neurological Surgery providers in South Dakota.

How many Neurological Surgery providers in South Dakota received drug or device company payments?

14 of 27 Neurological Surgery providers in South Dakota (52%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

What conditions do Neurological Surgery providers in South Dakota treat?

Neurological Surgery providers commonly treat herniated disc, brain tumors, spinal stenosis, trigeminal neuralgia 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 Neurosurgeons in South Dakota work in independent practices or large health systems?

Among 12 Neurosurgeons in South Dakota enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 42% through a mid-size group of 10 to 99, and 58% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.

Which hospitals do Neurosurgeons in South Dakota work at?

According to CMS facility affiliation records, the South Dakota hospitals where the most Neurosurgeons hold privileges are Dunes Surgical Hospital in Dakota Dunes; Sanford Usd Medical Center in Sioux Falls; Sanford Medical Center Aberdeen in Aberdeen.

Related reading on HealthcareDiscovery.AI

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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 Neurological Surgery in South Dakota? Get featured.