There is a Provider in-house or on-call 24/7/365 at Big Sandy Medical Center. Our full-time staff are regularly supported by relief providers to help prevent burnout and maintain work-life balance, while still allowing for continued coverage at the facility.

Dr. Carley Robertson


Dr. Robertson is a Montana native, having grown up in Butte and attending Montana State University to obtain her undergrad in 1978. She moved on to UW Seattle Medical School and graduated in 1982. She completed two years, about 10,000 hours, of General Surgery in Denver at the University of Colorado before coming back to Montana. She returned to Montana where she works as the Medical Director at Big Sandy Medical Center, but also works at Northern Montana Hospital as well. She enjoys working in the yard with her dogs, and has also gone on several medical missions throughout her career.

Krystyl Kulbeck, PA-C


Krystyl is a Physician Assistant (PA-C), graduating with her Master of Science in Biomedical Sciences Physician Assistant from the University of Toledo. She began her practice at The Toledo Hospital as a surgical PA before coming back to her home state of Montana. Having grown up in Twin Bridges, MT she was no stranger to the small town life. After starting here, she married a local farmer and together they have two boys. She choose to further her education in 2022 and became board certified in Advanced Diabetes Management.

Cheyenne Feltz, PNP


Cheyenne earned her Doctorate at Montana State University in Psychiatric Mental Health Nursing Practice and has been board-certified by the ANCC. She also has a Nursing Education certification from MSU and achieved her BSN at The University of New Mexico. She understands the challenges and strengths of mental health care in Montana through her time working in Kalispell and Missoula in the field and living in rural Charlo, Montana. She spends her free time hunting and fishing with her daughters and husband and restoring their home in downtown Fort Benton.

Christopher Heath Horton, MSN, FNP, ENP, CEN


Heath's journey in the medical field is a testament to his unwavering dedication to patient care and professional growth. Beginning his career in EMS in Arkansas, he honed his skills as an EMT/Paramedic for 14 years before embarking on a new chapter in nursing. His thirst for knowledge led him to pursue his LPN, followed by a successful LPN to RN transition program.
As a registered nurse, Heath thrived in the fast-paced environments of the ER/ICU and on the Rapid Response Team, making a lasting impact on countless patients in Arkansas. Eager to further his expertise, he pursued and earned his MSN in Family Practice, becoming a certified Family Nurse Practitioner.
Heath's passion for patient care and his aspiration to provide comprehensive healthcare services led him to specialize in Family Practice, where he found fulfillment in addressing chronic conditions and witnessing the positive impact of interventions on his patients' lives.
Never one to rest on his laurels, Heath sought to reconnect with his roots in emergency care, completing an ER residency that certified him as an Emergency Nurse Practitioner. His diverse skill set and tireless work ethic make him a valuable asset in the Emergency Room.
Outside of work, Heath finds solace in the outdoors, particularly camping, hiking, hunting, and fishing. He also enjoys working on projects in his shop at home. With a welcoming demeanor and a commitment to holistic care, Heath looks forward to meeting new patients and addressing their medical needs, whether chronic or acute, with compassion and expertise.

Joe Epperson, PA-C


Joe is a Physician Assistant (PA-C) originally from Columbus, MT. He attended Carroll College for his undergraduate education. He went on to work at Shodair Children's Hospital for about 5 years, also working seasonally in wildland fire at the time. From there he began his studies in the Medex program at the University of Washington and became a PA-C. He went on to work in internal medicine at Billings Clinic Hospital for almost 7 years, before moving with his wife and two children to her hometown of Big Sandy.

Paul Bradbury, PA-C

Relief Provider

Dr. Pat Kadrmas, Chiropractor



Big Sandy Medical Center is staffed by some of the regions best. The size of this Critical Access Hospital demands employees wear multiple hats, and this leadership team is no different. Many employees serve in multiple roles throughout the building. Meet the BSMC Leadership Team.

Chief Executive Officer

Ron Wiens, CEO

Born and raised in Michigan yet drawn west to Montana over 35 years ago. Ron and his wife Kim enjoy camping in the summer and hanging out with their two adult children and their granddaughter, Lila as often as possible. Wintertime is Ron's reading season and Kim's quilting time. Ron has been working in hospital settings for over 30 years, mostly in rural communities. He loves the can-do attitude of small-town residents and enjoys working with them to solve the challenges of operating a rural hospital.

Director of Nurses

Ashley Jacobi, RN, BSN

Ashley Jacobi BSN, DON is the Director of Nursing of BSMC. Ashley actually started at BSMC in her junior year of high school in our kitchen. Soon after, she became a CNA and continued to work through holidays and summer breaks throughout her college education. Ashley graduated from Big Sandy High School in 2012 and started her nursing career at Montana Tech in Butte. In 2016 she graduated with her associate's degree in nursing, followed by her bachelor's degree in nursing in 2018. Ashley spends most of her free time with her 2 kids, Oakley and Colt, and her husband Jarret.

Clinic Manager

Suzy Labuda, CMA

Suzy was raised in Big Sandy and graduated from Big Sandy High School in 2010. After high school, she attended GFC-MSU and in 2014 graduated with her Associates of Applied Science in Medical Assisting and her Associates of Science. She became certified with the American Association of Medical Assistants (AAMA) shortly after. She is married to her wonderful husband Ryne. They have two beautiful girls, Avery and Emery, and a son, Trey. In her free time she loves to read, spend time with her family, & travel.

Facility Manager

Chris O'Dell

Chris moved to Big Sandy from Nebraska with his family in 2021. While in Nebraska, he worked for the DOT for 11 years, before transferring to the Montana DOT for almost 2 years. Being ready for a change, he joined the team at BSMC. In his free time he enjoys home improvement, motorcycles, watching movies, and camping with his four children

Materials Management

Dusty Allderdice

Dusty wears many hats here. She is the leader of Materials, Medical Records, and Emergency Preparedness. Dusty has lived in the Loma/Big Sandy area pretty much her whole life. Dusty has 3 kids Laurence, Weston, and Anna along with 4 step kids Mateila, Amanda, Braydon, and Lindsey. Dusty started employment at BSMC clinic in 2010 and became an LPT for the radiology department. Over the years Dusty has moved into her current roles. Despite the many hats she wears, Dusty still continues to provide X-Rays. In 2015 she became an EMT and has been volunteering since with the Big Sandy Ambulance, where she is now the Service Director.
"I LOVE our little town and will continue to support the community any way I can".

Lab Manager

David Korkowski

David was born in Pittsburgh, PA and remains a diehard Steelers, Pirates and Penguins fan to this day! He joined the Army in 1989 and was first a member of the famed 82nd Airborne Division as a Paratrooper. After serving his initial enlistment he transitioned to the Laboratory while still serving in the Army. Prior to moving to Montana, David spent 10 years working in various facilities in Alaska. He then spent 7 years as the Lab Director at Northeast Montana Health Services before moving to Big Sandy in 2021 and assuming the role of Lab Manager.


Lisa Sipler

Lisa has been a member of the Big Sandy community for over twenty-five years. Her husband was from New Jersey, and she grew up in Colorado. They loved raising their three children in the small town of Big Sandy. Starting as a CNA at the age of eighteen, Lisa later became the Activity Director, making her time with BSMC over 25 years! Lisa finds so much joy in her job and absolutely adores the memories she still continues to share with the residents. At one time Lisa was referred to as the cruise director of BSMC, and she says she doesn't plan on jumping this ship anytime soon.


Sierra Grimwood

Sierra was born in Montana but spent the majority of her life in Tacoma Washington. In the Spring of 2022, she moved back to the area to help support her aging grandfather and have a fresh start in a smaller community where her two young boys could grow up knowing the mountains and the support of their family. Sierra enjoys spending time with her boys, frequents the fresh mountain air, and plays volleyball and basketball. She hopes her time at BSMC will continue to provide opportunities to learn about how nutrition affects the body and overall health.

Business Office Manager

​Brittany Sherburn

Born and raised in Big Sandy, Brittany ventured away for a brief period before realizing the importance of family ties and returned to the community. She wanted to be close to her parents and raise her own family in the area. After earning her bachelor's degree in Psychology, she embarked on a career journey that began as a Wraparound Facilitator. With her growing family, the need to avoid travel for work became apparent so she began her career at BSMC as the Accounts Payable Clerk. Through dedication and hard work, she has since transitioned into the role of Wellness Center and Business Office Manager, where she continues to thrive and make a positive impact in both her professional and personal life.

Education Coordinator

Jessica Ophus, RN, BSN, CLC

Jessica has been a nurse for over 10 years, earning her BSN at the University of Mary in Bismarck, ND in 2012. She spent time working in North Dakota, Wyoming, and around Montana before settling here at BSMC in 2018. She began her role as the Education Coordinator and Marketing Director in 2022. In August 2023, she became a Certified Lactation Counselor offering services locally and the surroudning communities. If she's not at work, she is enjoying time with her husband and two daughters. The family will welcome another child in Spring 2024

Social Services Designee

Lisa Genereoux, RN, BSN

After graduating from Big Sandy High School, Lisa attended Montana State University, earning her BSN in 1989. Her career brought her to the Social Services department at BSMC in 2019. She enjoys traveling and spending time with her husband, Darin, and their three children. She also enjoys time with friends, reading, and trying new foods.

Human Resources

​Karma Hale

While Karma is not a Big Sandy native, she has been here for over a decade. She started at BSMC in Accounts Payable, but with her 15 years HR experience, she breezed through the transition to HR in 2022. She is also the Credentialing Officer for the facility. On her time off, she enjoys crafting, creating Karma's Kandies, and spending time with her grandchildren.