Providers

Dr. Anora Henderson received her undergraduate degree from Mount Marty College in Yankton, South Dakota. She attended the University of South Dakota School of Medicine from 1996-2000, where she received her medical degree. She completed her residency through the Siouxland Medical Education Foundation in Sioux City, IA. Dr. Henderson is board-certified with the American Academy of Family Practice. In addition to her medical practice in Winner, Dr. Henderson provides medical care at the Rural Health Clinics in Mission and White River, SD on a weekly basis.

From OB and pediatrics to the full spectrum of family medicine, Dr. Jonathan Taylor, Doctor of Osteopathy, works with patients of all ages, offers spinal manipulation and is trained to help those with chronic illness.

Rebecca Olson, CNP, received her undergraduate degree in nursing from South Dakota State University in Brookings, South Dakota. Rebecca worked as a registered nurse for 10 years before returning to South Dakota State University to obtain her master’s degree in nursing as a Family Certified Nurse Practitioner. Rebecca Olson, CNP, graduated in 2011. She enjoys providing care to patients across the age spectrum. She also enjoys living and working in rural South Dakota. Rebecca Olson, CNP, is certified through the American Academy of Nurse Practitioners.

Karey Thieman, CNP, completed her undergraduate work at Mount Marty College in Yankton, SD, earning a Bachelor of Science degree in Nursing. In 1997, she graduated from South Dakota State University with a Master of Science degree in Nursing. Karey Thieman is certified as a Family Nurse Practitioner through the American Nurses Credentialing Center. She is also a certified instructor through the American Academy of Pediatrics for the Neonatal Resuscitation Program, and is certified through the American Heart Association as an instructor for CPR and ACLS. Karey Thieman, CNP, also holds certification through the Oncology Nursing Society. She is a member of the South Dakota Board of Nursing and the American Nurses Association and is a long-time member of the South Dakota Perinatal Association.

Kasey recently graduated with a Masters in Nursing-FNP from Mount Marty College, where she also completed her undergraduate degree.  Kasey is originally from Winner, SD and previously worked as a Clinical Care Coordinator in a Critical Care Unit at Sanford USD Medical Center.

"Delivering quality care to rural South Dakota has been a personal career goal since beginning my nurse practitioner education.  I am excited to have the opportunity to serve as a healthcare provider in the community that I grew up in."

• Certified through the American Academy of Nurse Practitioners
• Certified in BLS, ACLS, PALS and TNCC

Dr. Tony Berg provides on-call emergency room coverage at Winner Regional on a periodic basis. Dr. Tony Berg received his undergraduate degree from SD State University in Brookings, South Dakota. He attended the University of South Dakota School of Medicine, Vermillion, SD, from 1972 through 1976 and the University of Alabama, Huntsville, AL from 1976 through 1978, where he received his medical degree. Dr. Berg completed his residency through the Family Practice Center in Sioux City, IA. He is board-certified by the American Academy of Family Practice. In addition to caring for patients in Winner over the years, Dr. Berg has been instrumental in recruiting many of our Winner area physicians and strengthening our local medical clinic. Dr. Berg was named President of the South Dakota State Medical Association in 2007. Dr. Berg is a Fellow in the American Academy of Family Physicians and was named 2000 Family Doctor of the Year by the SD Academy of Family Physicians. In 2004, Berg was honored with the Edward J. Bott Memorial Outstanding Faculty Member award from the Sanford School of Medicine. A longtime Winner resident, Dr. Berg is also very active in the community, serving as a Rotarian and a member of the South Central Development Corporation and Winner Area Chamber of Commerce.

Dr. Kolstad received his MD degree from University of Connecticut School of Medicine in 1992.  He completed his residency at Thomas Jefferson University Hospital, as well as a sports medicine fellowship at Lenox Hill Hospital.  Dr. Kolstad is board certified by the American Board of Orthopedic Surgery, along with a specialty certificate in orthopedic sports medicine and total joint repair. To make an appointment with Dr. Kolstad, please call 842-7153.

Dr. Richard Clark comes to us from Sioux Falls where he lives with his wife and two children.  Dr. Clark offers cardiology services, with a special interest in vascular medicine. Dr. Clark completed his medical studies, residency and fellowship at Creighton University in Omaha, NE.  He is certified through the American Board of Internal Medicine. Dr. Clark finds the most rewarding part of his job to be working with patients and helping them get well. To make an appointment with Dr. Clark in Winner, please call (605) 312-2200.

Dr. Hardie attended USD Medical School in Vermillion, South Dakota. Dr. Hardie completed his residency at the University of Nebraska, in Omaha, and his fellowship was completed at the University of Utah, in Salt Lake City. Dr. Hardie specializes in Pulmonology, Sleep Medicine, Internal Medicine and Critical Care.  He is certified through the American Board of Internal Medicine, the American Board of Internal Medicine for Pulmonary Medicine, Critical Care Medicine and Sleep Medicine. To make an appointment with Dr. Hardie at Winner Regional Healthcare Center, call (605) 328-8900 or (866) 808-5242.

Dr. Benjamin Lashley has 14 years of hospital based experience and offers dental sedation at Winner Regional.  Patients who might otherwise have a difficult time being treated in a clinic setting, because of age, amount of decay or behavioral challenges, are all good candidates for his services.  Dr. Lashley provides treatment with the aid of the hospital team and anesthesia providers to provide the highest level of quality care to his patients.  Dr. Lashley will accept referrals for all insurance carriers, including Medicaid. To schedule an appointment with Dr. Lashley, call (308) 534-1289.

Dr. Mahrous specializes in cardiology and cardiovascular disease, working with those who have ACS (Acute Coronary Syndrome), heart block, high blood pressure (Hypertension) and unstable angina. Dr. Mahrous received his medical degree and cardiology training at the University of Nebraska Medical Center in Omaha and is board certified in Internal Medicine and Cardiology. To schedule an appointment with Dr. Mahrous,  please call (605) 842-7153.