
Dr. Derek Zukosky
Specialty Areas
- Urology
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Winner Regional Health is fortunate to obtain the experience of Dr. Zukosky. He is well recognized as one of the most highly trained and experienced robotic surgeons in the Denver area. Dr. Zukosky specializes in robotic prostatectomies and is also the medical director of robotic surgery at St. Anthony Hospital. He received his fellowship in urologic laparoscopic (minimally invasive) surgery and earned his certification in da Vinci robotic surgery. During his career, he has performed more than 500 robotic prostatectomies. He is known for his osteopathic training, providing patients with effective evidence-based treatments; all while focusing on long-term prevention and wellness. Dr. Zukosky brings the cutting-edge in medical treatments while providing a warm and personal manner to all his patients. As a general urologist, he takes great pride in helping patients with any type of urological problem. Winner Regional Health is pleased that he is part of the team in our out-patient clinic to ensure the highest quality of services for patients in the Winner and surrounding areas.

Dr. Anora Henderson
MD
Specialty Areas
- Family Medicine
- Obstetrics/Gynecology
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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.

Dr. Cynthia Clark
MD
Specialty Areas
- Family Medicine
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Winner Regional Clinic and Winner Regional Healthcare Center are proud to have Dr. Cynthia Clark as a part of our qualified team of physicians.
Dr. Cynthia Clark attended medical school at Creighton University in Omaha, Nebraska. She completed her residency at the University of North Dakota, in Fargo.
Dr. Clark enjoys the broad scope of family medicine - from infant care to family medicine and geriatrics and serves as Medical Director of Winner Regional Healthcare Center’s long term care facility. She also enjoys living and working in a rural area.

Chris Snavely
PA-C
Specialty Areas
- Family Medicine
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Chris Snavely graduated from the University of South Dakota Physician Assistant Program in 1995 and was the program's first recipient of the Academic Achievement Didactic Year Award.
Chris Snavely, PA-C, is certified by the National Commission for Certification of Physician Assistants. He is also a member of the SD Academy of Physician Assistants and a Fellow of the AAPA Association.
In addition to serving as a clinical preceptor for the USD PA program, Chris Snavely was appointed as a Clinical Associate Professor with the University of South Dakota School of Health Sciences. In 2015, he was inducted in to Pi Alpha, the National Honor Society for Physician Assistants.

Rebecca Olson
CNP
Specialty Areas
- Family Medicine
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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.

Korie Pravecek
CNP
Specialty Areas
- Family Medicine
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Korie is a graduate of Winner High School, Mount Marty College and Walden University. She began her career at Winner Regional Healthcare Center as a CNA while in high school and worked as an RN for several years before returning to school to become a Certified Nurse Practitioner.
Her husband, Todd, is a life-long resident of Tripp County. Korie enjoys keeping busy while spending time with her children.

Karey Thieman
CNP
Specialty Areas
- Family Medicine
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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.

Nakayla Burnham
Specialty Areas
- Family Medicine
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Nakayla is originally from Platte, SD. Nakayla has worked for Winner Regional as a registered nurse since 2015 and graduated in 2018 with a Doctor of Nursing Practice from South Dakota State University.

Jill Moser
CNP
Specialty Areas
- Family Medicine
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Jill recently graduated with a Doctor of Nursing Practice from South Dakota State University, where she also completed her undergraduate degree. Jill is originally from Gregory, SD and has worked for Winner Regional as a registered nurse since 2011.
"Since starting my nursing career at Winner Regional, I knew I wanted to continue practicing here after completing my nurse practitioner education. I love being able to provide a more personal healthcare experience for my patients and hope to enhance the quality care we offer here at Winner."
- Certified through the American Academy of Nurse Practitioners
- Certified in BLS, ACLS, NRP

Kasey Kerner
CNP
Specialty Areas
- Family Medicine
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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. Rick Wagner
MD
Specialty Areas
- Surgery
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Dr. Rick Wagner received his medical degree from the University of South Dakota School of Medicine and completed his General Surgery internship and residency at the University of North Dakota in Grand Forks, ND.
Dr. Wagner is skilled in laparoscopic general, thoracic and vascular surgery.

Dr. Tony Berg
MD FAAFP
Specialty Areas
- Emergency Services
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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. Ronald Anderson
MD
Specialty Areas
- Obstetrics/Gynecology
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Dr. Anderson specializes in obstetric and gynecologic health care for women, including prenatal care, annual pelvic/pap exams, surgery, menopausal care, birth control and minimally invasive procedures for women of all ages.
Dr. Anderson works with women to help them address gynecological concerns including urinary incontinence, ovarian cysts, hysterectomies, polycystic ovary syndrome, menopause and more.
To make an appointment with Dr. Anderson, please call (605) 996-0400.

Dr. Richard Clark
MD
Specialty Areas
- Cardiology
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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. Mick Vanden Bosch
MD
Specialty Areas
- Ophthalmology
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Vanden Bosch treats a variety of eye conditions. He provides services such as cataract and eyelid surgery as well as medical retina and glaucoma care.
Vanden Bosch received his medical degree from the University of Iowa College of Medicine, Iowa City, IA. He holds certification from the American Board of Ophthalmology.
To make an appointment with Vanden Bosch, call 605-328-9200.

Dr. Richard Hardie
MD
Specialty Areas
- Pulmonology
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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. Al Helbig
AuD
Specialty Areas
- Audiology
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Dr. Al Helbig is a Pierre native. In 2005 he pursued a B.A. in biology and communication disorders at Augustana College of Sioux Falls, South Dakota, and upon completion in 2009, he attended the University of Nebraska–Lincoln to obtain his doctorate in audiology (Au.D.). Dr. Helbig enjoys serving his community’s hearing needs and specializes in diagnostic hearing evaluations, hearing aid fitting, and comprehensive balance assessment. Dr. Helbig and his wife Alicia have 2 children and are active with local youth ministry as well as any and all outdoor activities.
To make an appointment with Audiology Associates in Winner, please call 1(800) 827-1622.

Dr. Benjamin Lashley
DDS
Specialty Areas
- Oral Surgery
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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. Tarek Mahrous
MD
Specialty Areas
- Cardiology
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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.