Internal Medicine in Aberdeen, South Dakota
Data updated monthly · Last refresh September 2026
12 Internal Medicine providers practice in Aberdeen. Listings are drawn from federal public records and are not endorsements.
Internal Medicine providers in Aberdeen
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. Arlin Myrmoe, M.D.Aberdeen, SD · $141 in drug and device payments (2025) ·
(605) 622-5458 Dr. Beenish Fayyaz, MDAberdeen, SD · No drug or device payments recorded (2025) ·
(604) 226-5500 Dr. Blake Heinz, D.O.Aberdeen, SD · No drug or device payments recorded (2025) ·
(605) 622-5458 Dr. Denis Tcedilin, MDAberdeen, SD · No drug or device payments recorded (2025) ·
(605) 226-5500 Dr. Joan Harriott, MDAberdeen, SD · No drug or device payments recorded (2025) ·
(605) 725-1700 Dr. John Fritz, M.D.Aberdeen, SD · No drug or device payments recorded (2025) ·
(605) 229-5323 Dr. Kathleen Vandewalle, D.O.Aberdeen, SD · No drug or device payments recorded (2025) ·
(605) 725-3136 Dr. Marc Armstrong, M.D.Aberdeen, SD · $21 in drug and device payments (2025) ·
(605) 622-5100 Dr. Nida MahamAberdeen, SD · $35 in drug and device payments (2025) ·
(605) 226-5500 Dr. Racheal Tushabe, MDAberdeen, SD · No drug or device payments recorded (2025) · Telehealth ·
(605) 622-5458 Dr. Ronald Rovang, M.D.Aberdeen, SD · No drug or device payments recorded (2025) ·
(605) 622-5458 Dr. Timothy Waterman, MDAberdeen, SD · No drug or device payments recorded (2025) ·
(605) 622-5458 Conditions Internal Medicine providers in Aberdeen, South Dakota commonly treat
Patients often search by condition rather than specialty. These are conditions typically managed by Internal Medicine providers. Individual practices vary, so confirm with the provider before booking.
- High blood pressure
- Type 2 diabetes
- High cholesterol
- Preventive care
- Chronic disease management
Common questions
How many Internal Medicine providers are in Aberdeen, South Dakota?There are 12 Internal Medicine providers with active NPI records practicing in Aberdeen, according to federal NPPES data refreshed monthly.
What conditions do Internal Medicine providers in Aberdeen treat?Internal Medicine providers in Aberdeen commonly treat high blood pressure, type 2 diabetes, high cholesterol, preventive care, chronic disease management 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 Aberdeen Internal Medicine across South Dakota
