Internal Medicine Leadership & Faculty

Joseph Weigel, MD, MACP - Program Director

Dr. Joseph Weigel is a nearly lifelong resident of Somerset and Pulaski County, Kentucky. After graduating from Somerset High School, he attended the University of Louisville, where he graduated with honors with a BS in Biology.  In 1981, Dr. Weigel graduated with honors from the University of Louisville School of Medicine, where he was also elected to Alpha Omega Alpha.

After earning his medical degree, Dr. Weigel completed his residency training at the University of Alabama in Birmingham and returned to Somerset in early 1985, where he joined the practice of Lake Cumberland Medical Associates and remains in the practice of General Internal Medicine. For the first several years, he was fortunate enough to practice with his father, who preceded him as a General Internist in Somerset.

Dr. Weigel is a career-long member of the American College of Physicians, attaining Mastership in 2014.  He served as Governor of the Kentucky Chapter between 1998 and 2002, and is also a Chapter Laureate Awardee.  Dr. Weigel has also served Lake Cumberland Regional Hospital as Chief of the Medicine Service and Chief of the Medical Staff.

Dr. Weigel is passionate about the excellence of this program, and is intent on making this the best possible learning experience it can be for aspiring physicians.

Rainer Oliver, DO - Associate 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.

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 is married to her husband Gerald (40 years), together they have two children; Kevin (our heavenly angel) and Koty Jones (David). 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.