Meet the Owensboro Health Family Medicine Program Faculty - Owensboro Health

Meet the Family Medicine Program Faculty

Greg StrahanGreg Strahan

CEO & President, Owensboro Health

Before being named president and CEO of Owensboro Health, Strahan served as the health system’s chief operating officer. In this capacity, he helped steer the construction of the 477-bed Owensboro Health Regional Hospital, which opened in 2013. He also led the implementation of the Epic electronic medical record – a $57-million project – and helped guide the hospital to several national rankings in quality and patient safety. Under Strahan’s direction, Owensboro Health Medical Group grew from 19 providers to now more than 200.

Strahan holds a bachelor’s degree in business administration from the University of Southern Mississippi and a master’s degree in healthcare administration from the University of Alabama at Birmingham. His previous employers include North Mississippi Health Services and Wesley Health System, Inc.

Francis DuFrayne, MDDr. DuFrayne

Chief Medical Officer, Owensboro Health

Dr. Francis DuFrayne is Executive Vice President and Chief Medical Officer of Owensboro Health System. Dr. DuFrayne is also a captain in the U.S. Navy Reserve and served a six-month tour of duty in Iraq treating wounded soldiers. 

He graduated from Temple University School Of Medicine, Residency at Pennsylvania Hospital, Internal Medicine and Fellowship at Hospital of the University of Pennsylvania, Gastroenterology. He is board-certified in Internal Medicine and Gastroenterology.

“We have a strong foundation in teaching and training with our program director, Dr. Sivoravong, who comes with a wealth of experience. He quickly got our program up and running and accredited. I believe we'll have phenomenal success with everything that he's doing with the program.”

Francis DuFrayne, MD, Owensboro Health Chief Medical Officer

Dr. Jon SivoravongJon C. Sivoravong, DO, FAAFP

Director, Family Medicine Residency Program

Dr. Jon C. Sivoravong is a graduate of the University of Texas College of Osteopathic Medicine. He completed his family medicine residency at the University of Texas Medical Branch at Galveston. Dr. Sivoravong previously helped launch and served as medical director of the University of North Texas Fort Worth Family Medicine Residency Program for more than 20 years. He has published many peer-reviewed published articles and also regularly presents at national conferences. 

Dr. Brent WrightBrent Wright, MD

Associate Dean for Rural Health Innovation
University of Louisville School of Medicine

Dr. Brent Wright is a physician leader serving healthcare through work within academia, regional healthcare networks, and digital health companies. Despite wearing the different hats of medical executive, medical educator, and clinician, Dr. Wright believes there is a single purpose for improving healthcare through leadership, advocacy, and innovation. 

For Dr. Wright, rural health means not only dealing with underserved populations but also doing more with less, which has helped with his work as an entrepreneur. His additional background in banking and finance has helped him remain balanced within his academic role. 

Dr. Stephanie HaydenStephanie Hayden, MD


Dr. Stephanie Hayden is a native of Covington, Kentucky and earned her undergraduate degree in biology at Thomas More College in Northern Kentucky. She then earned her medical degree at the University of Kentucky, followed by residency and internship through the University of Tennessee Health Science Center at Le Bonheur Children’s Hospital in Memphis. Dr. Hayden is also board-certified by the American Board of Pediatrics.

Dr. Darby ColeDarby Cole, MD 

Family Medicine

Dr. Darby Cole is a Family Medicine physician with Owensboro Health Medical Group in Beaver Dam, Kentucky. 

He earned his medical degree at the University of Kentucky College of Medicine and completed an Internship and Residency at the Trover Foundation in Madisonville, Kentucky.

Dr. Jody MitchellJody Mitchell, MD

Family Medicine, Sports Medicine

Dr. Jody Mitchell, a native of Owensboro, earned his medical degree at the University of Kentucky, where he also completed an internship, family medicine residency, and primary care sports medicine fellowship. Dr. Mitchell is board-certified in family medicine with a certificate of added qualification in sports medicine.

In his sports medicine practice, he cares for a very motivated patient population and enjoys seeing his patients achieve their goals, both on and off the field. His academic areas of interest are injury prevention and concussion management. In addition to his clinical duties, Dr. Mitchell is the medical director of outpatient services for Owensboro Health and the medical director of the Owensboro Health Healthpark.

Dr. Mitchell and his wife, Kate, have two children. He enjoys spending time with his family and friends at playdates, backyard cookouts, and the neighborhood pool. He stays active through a variety of sporting and outdoor activities and is an avid fan of University of Kentucky athletics.

Shirl Nafziger-LyneShirl Nafziger-Lyne, MSW, LCSW

Behavioral Services

Shirl Nafziger-Lyne received her bachelor's degree in Social Work from Millersville University and her master's degree in Social Work from Widener University. She is a licensed clinical social worker in the state of Kentucky and Indiana.  

Nafziger-Lyne has been with Owensboro Health for approximately four years as a clinical social worker in clinical integration, population health, and behavioral services. Her style of therapy is eclectic, using various techniques such as EMDR, art, talk, cognitive-behavioral, and experiential. She has advanced training in trauma and clinical supervision. She is passionate about helping individuals discover freedom and healing.  

Learn More:

A Phenomenal Place to Practice Medicine

Hear from our faculty:
Why Choose this Program?

gray background

About Owensboro Health

Owensboro Health Regional Hospital

Owensboro Health is a nonprofit health system with a mission to heal the sick and to improve the health of the communities it serves in Kentucky and Indiana. The system includes Owensboro Health Regional Hospital, nationally recognized for design, architecture and engineering; Owensboro Health Muhlenberg Community Hospital; the Owensboro Health Medical Group comprised of over 200 providers at more than 20 locations; three outpatient Healthplex facilities, a certified medical fitness facility, the Healthpark; a surgical weight loss center and program, and the Mitchell Memorial Cancer Center.

On average each year, we have 16,000 inpatient admissions, deliver 2,000 babies and provide the region’s only Level III NICU. Owensboro Health physicians perform nearly 24,000 surgical procedures, including nearly 200 open-heart surgeries. Our physicians and staff have 70,000 Emergency Department visits, more than a million outpatient visits annually. Visit our home page for more information.

About the University of Louisville

University of Louisville logo

The University of Louisville School of Medicine in Louisville, Kentucky, opened as the Louisville Medical Institute in 1837. It is one of the oldest medical schools in North America and the 9th oldest in the United States.

The School of Medicine has built a reputation as a community of scholars who are dedicated to helping the next generation of physicians translate new discoveries and leading-edge knowledge into excellent, compassionate care that enhances and preserves quality of life. The School of Medicine is home to a state-of-the-art facility where pioneering research faculty lead the way with innovative medical research. Notable alumni include Samuel D. Gross, the patriarch of America’s trauma surgeons, and Abraham Flexner, whose work reshaped medical education in the United States.

The Graduate Medical Education Program is accredited by the Accreditation Council for Graduate Medical Education (ACGME).

© 2020 

Owensboro Health / University of Louisville Family Medicine Residency
811 E. Parrish Ave., Suite 101
Owensboro, KY 42303
Call 270-688-2089 
Send us a message: