Internal Medicine Leadership & Faculty
Leadership
Rainer Oliver, DO - Program Director
Dr. Rainer A. Oliver, a dedicated physician and educator, hails from Union, Kentucky. Dr. Oliver completed his Internal Medicine Residency at Lake Cumberland Regional Hospital in Somerset, Kentucky, from July 2016 to June 2019. Prior to that, he earned his Doctor of Osteopathic Medicine degree from Lincoln Memorial University DeBusk College of Osteopathic Medicine in Harrogate, Tennessee, between July 2012 and May 2016. In preparation for his medical studies, he also undertook Post Baccalaureate Medical Sciences at the same institution from August 2011 to May 2012. Dr. Oliver's academic journey began with a Bachelor of Arts in Biology from Transylvania University in Lexington, Kentucky, spanning from August 2007 to May 2011.
Dr. Oliver's passion for sharing knowledge is evident in his roles as a Teaching Attending for Lake Cumberland Regional Hospital's Internal Medicine Residency program since July 2019. Additionally, he contributed as a Teaching Assistant for Anatomy Bootcamp and Medical Gross Anatomy at Lincoln Memorial University DeBusk College of Osteopathic Medicine between May 2013 and July 2013, and from July 2012 to May 2013, respectively.
Dr. Oliver has consistently excelled in his career, earning accolades such as the Hospitalist of the Month Award from Apogee Physician Group in September 2021, the Outstanding Procedural Achievement Award at Lake Cumberland Regional Hospital in June 2019, and the House Staff Spirit Award at the same hospital in June 2018. He has also assumed the role of Assistant Program Director at Apogee Physician Group, Lake Cumberland Regional Hospital, since January 2022.
Dr. Oliver is an active member of esteemed organizations, including the American College of Physicians and the American College of Osteopathic Internists, since July 2014. Dr. Oliver is also affiliated with the Tennessee Osteopathic Medical Association (TOMA) since May 2012 and has been a member of Kappa Alpha Order since September 2007.
Andrew Blakley, DO - Associate Program Director
Dr. Andrew Blakley is a native of Huntsville Tennessee. He completed undergraduate studies at Tennessee Technological University in Cookeville, Tennessee. Dr. Blakley completed medical school at Lincoln Memorial University - DeBusk College of Osteopathic Medicine in Harrogate, Tennessee. He is a 2019 graduate of the LCRH Residency Program. Dr. Blakley is a 2019 graduate of the LCRH Residency Program. After completing his residency, Dr. Andrew Blakley accepted a position with Apogee Physicians and has been working as a hospitalist at Lake Cumberland Regional Hospital in Somerset, Kentucky.
Shaelyn Dixon, DO - Associate Program Director
Dr. Valerie Shaelyn Dixon, a native of Hazard, KY, earned her Medical Degree from the Kentucky College of Osteopathic Medicine. She completed her undergraduate studies at the University of Pikeville, where she earned a Bachelor of Science in Biology with minors in Chemistry and Religion. Dr. Dixon is now a practicing hospitalist at Lake Cumberland Regional Hospital in Somerset, KY.
Joseph Weigel, MD, MACP- Internal Medicine Program Director Emeritus
Dr. Joseph Weigel, MD, MACP, has been a pillar of healthcare, medical education, and community service in the Lake Cumberland region for more than three decades. A Master of the American College of Physicians and two-time recipient of the ACP Laureate Award, he served as Governor of the Kentucky Chapter of the ACP from 1998 to 2002 and remained an active leader within the organization for more than 20 years.
Long before Graduate Medical Education was established at Lake Cumberland Regional Hospital, Dr. Weigel was mentoring the next generation of physicians. Since the early 1990s, he has taught medical students from institutions across Kentucky and the region, earning numerous honors, including the University of Kentucky Physician Assistant Program Outstanding Teaching Award and the University of Pikeville Kentucky College of Osteopathic Medicine Clinical Educator of the Year Award. In July 2025, he transitioned to the role of Internal Medicine Program Director Emeritus and continues to educate third- and fourth-year medical students.
Beyond medicine, Dr. Weigel has been a tireless advocate for public health and community wellness. He helped advance local smoke-free initiatives, founded Lake Cumberland Runners and the Cumberland Cool Run to support student athletics, and led efforts to place Automated External Defibrillators (AEDs) in local schools and community facilities. Known for his high standards, dedication to education, and commitment to patient advocacy, Dr. Weigel remains a respected voice for the community and an enduring influence on generations of healthcare professionals
Libbey Crowe
Libbey Crowe is the Coordinator for the Internal Medicine Residency Program at Lake Cumberland Regional Hospital. She has been in her role since the program's inception in 2014. Prior to that she was employed at Lake Cumberland Medical Associates as a receptionist in the Internal Medicine Department. She started her career at LCMA in December of 1983. Libbey currently serves on the Rural GME Advisory Board and is an advisor for the Leadership Institute.
Libbey is married to her husband Gerald (45 years), together they have two children; Kevin (our heavenly angel) and Kotey Jones (David, whose memory we cherish). Libbey and Gerald are the proud grandparents of Kinzley, Kevin, and Kyndall.
When not working, Libbey spends her time on the family's sheep farm in southern Pulaski County and making memories with her family. Her hobbies include raising a garden, preserving the harvest and cooking.