Family Medicine in Williston, North Dakota
Data updated monthly · Last refresh September 2026
13 Family Medicine providers practice in Williston. Listings are drawn from federal public records and are not endorsements.
Family Medicine providers in Williston
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. Brittany Bertsch, DOWilliston, ND · $16 in drug and device payments (2025) ·
(701) 418-8000 Dr. David Geier, M.D.Williston, ND · No drug or device payments recorded (2025) ·
(701) 577-6337 Dr. Dustin Tolman, MDWilliston, ND · $38 in drug and device payments (2025) ·
(701) 572-7711 Dr. Ines Teuma Nguimfack, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 572-7651 Dr. James Kennedy, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 572-7711 Dr. Jessica Mcdougall, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 857-3517 Dr. Lynn Nyquist, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 774-7470 Dr. Mark Olson, MDWilliston, ND · $16 in drug and device payments (2025) ·
(701) 572-7711 Dr. Robert Kemp, M.D.Williston, ND · No drug or device payments recorded (2025) ·
(701) 572-7651 Dr. Ryan Siewert, MDWilliston, ND · $38 in drug and device payments (2025) ·
(701) 572-7711 Dr. William Brunsman, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 572-7711 Dr. William Code, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 572-7711 Dr. William Small, MDWilliston, ND · No drug or device payments recorded (2025) ·
(701) 774-7400 Conditions Family Medicine providers in Williston, North Dakota commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Family Medicine providers. Individual practices vary, so confirm with the provider before booking.
- Annual physicals
- High blood pressure
- Type 2 diabetes
- Preventive care
- Minor injuries
Common questions
How many Family Medicine providers are in Williston, North Dakota?There are 13 Family Medicine providers with active NPI records practicing in Williston, according to federal NPPES data refreshed monthly.
What conditions do Family Medicine providers in Williston treat?Family Medicine providers in Williston commonly treat annual physicals, high blood pressure, type 2 diabetes, preventive care, minor injuries and related conditions. Individual practices vary, so confirm with the provider before booking.
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 Williston Family Medicine across North Dakota
