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Surgery in Marshfield, Wisconsin

Data updated monthly · Last refresh September 2026

10 Surgery providers practice in Marshfield. Listings are drawn from federal public records and are not endorsements.

Surgery providers in Marshfield

Listed alphabetically. 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. Eberhard Mack, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Jane Ohde, DO
Marshfield, WI · $135 in drug and device payments (2025) · (715) 387-5511
Dr. Mark Swanson, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5408
Dr. Michael Caldwell, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Patrick Ryberg, M.D.
Marshfield, WI · $4,099 in drug and device payments (2025) · (715) 387-9222
Dr. Robert Kolts, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5285
Dr. Samariah Conway, MD
Marshfield, WI · No drug or device payments recorded (2025) · (715) 387-5511
Dr. Shameem Kunhammed, MD
Marshfield, WI · $940 in drug and device payments (2025) · (715) 387-5511
Dr. Stephanie Carr, DO
Marshfield, WI · $1,821 in drug and device payments (2025) · (715) 387-5511
Dr. Vijaya Nirujogi, M.D.
Marshfield, WI · $206 in drug and device payments (2025) · (715) 387-5511

Common questions

How many Surgery providers are in Marshfield, Wisconsin?

There are 10 Surgery providers with active NPI records practicing in Marshfield, according to federal NPPES data refreshed monthly.

Where does this data come from?

Provider records 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.

All specialties in Marshfield Surgery across Wisconsin

Try a city like Tucson, a zip like 85016, or a specialty like psychiatry. For a doctor by name, use the full search.
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.