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Dr. William C. Thornbury, Jr.
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Dr. Thornbury is regarded by peers as one of the leading family physicians in the United States.  He began his medical education at the University of Kentucky matriculating from the College of Pharmacy as their first Honors Program graduate. He practiced five years in the rural Appalachian mountains for Virginia with career highlights that included a prestigious nationally acclaimed grant for diabetes education, serving as a VPhA journal editor and being named the Marion-Merrill Dow Distinguished Pharmacist of the Year.


Dr. Thornbury returned to study medicine at the University of Louisville School of Medicine graduating summa cum laude and completed a visiting internship with Harvard Medical School at The Cambridge Hospital. After graduation he accepted a highly-coveted residency position in general surgery under the direction of Dr. Hirham C. Polk, Jr., one one the foremost surgical educators in the world. Dr. Thornbury completed both an internship and additional year of residency in surgery.

In 1997, Dr. Thornbury moved to Glasgow to accept a position as the inaugural resident in family medicine at the University of Louisville’s Glasgow-Barren County residency program. He completed the three year requirement in two years and served as its first chief resident. 


Dr. Thornbury’s teaching and academic interest lies in the application of Lean systems to health delivery, training under the direct supervision of Toyota. Dr. Thornbury innovated and engineered the first mobile telemedicine system in the United States and has studied its influence in private practice in the care of acute and chronic disease. He is considered an international thought leader in the clinical application of mHealth authoring multiple publications and has given over 35 invited lectures throughout the United States and Europe over the past decade. 


Dr. Thornbury’s service to his profession includes holding a trustee position on the board of the Kentucky Medical Association; he has chaired the Commonwealth’s Pharmacy and Therapeutics Committee, as well as, the Medicaid Physician Technical Advisory Committee. Dr. Thornbury was elected the 65th president of the Kentucky Academy of Family Physicians and has been acknowledged by colleagues as the Citizen Doctor of the Year in Kentucky, the highest honor afforded by KAFP.


Dr. Thornbury is a diplomat of the American Board of Family Medicine and holds a degree of Fellowship with the American Academy of Family Physicians. His private practice includes expertise in all general internal medicine, which includes all ages and genders. Dr. Thornbury has particular experience and a special emphasis on metabolic disorders, such as diabetes, skin and musculoskeletal disorders, and cardiovascular disease including heart failure, lipid disorders and hypertension.


Dr. Thornbury has been an active resident of Barren County for over two decades. He is privileged to serve on the board of education. He and his wife, Amy, enjoy two children, Britton and Chase.

Our Mission Statement


It is the mission of the Medical Associates Clinic physicians and staff to provide the highest quality, leading-edge clinical medicine to our community. This practice of medicine shall be consistent with the care provided by leading academic institutions throughout the United States.  


A Judeo-Christian ethic will serve as our model of conscience and approach to compassionate care.  Our clinic will serve as a leader in the opportunity to educate and mentor student learners at all levels of experience in clinical medicine and its allied fields of service.


Patient Comments:


"Dr. Thornbury, Anamaria Lorenzo, and the entire staff provide the highest quality of medical services that are second to none. I am impressed with their attention to detail. I am comforted by their thorough and understandable explanations. All of this from a staff equipped with smiles, positive attitudes, and a feeling of family."



“Dr. Thornbury is the real deal... he is truly concerned about his patients and really wants to know how they are doing and that can also be said for his wonderful staff. Together they are the Dream Team.”

Joe & Teresa


“I have never been in a physician’s office before where I have been treated so well. The atmosphere is extremely professional and friendly, not to mention the high quality of treatment.”



"Dr. Thornbury and the medical staff are the most dedicated people I have ever known. When I am there for an appointment, I feel like that I am with family who cares so much about you and concerned about your health and wellbeing. A positive attitude is sometimes the best medicine and I want to thank all of you for what you do everyday and let you know you are so appreciated by your patients."

Jackie & Mary Lou

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