Meet the Family Medicine Program Leadership and Faculty


Mark Marsh

Mark Marsh

CEO & President, Owensboro Health

Dr. DuFrayne

Francis DuFrayne, MD

Chief Medical Officer, Owensboro Health

Dr. Brent Wright

Brent Wright, MD

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

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.

Dr. Darby ColeDarby Cole, MD 

Associate Program Director

Dr. Darby Cole is a Family Medicine physician with the U of L / Owensboro Health Family Medicine Residency program. Most recently, he practiced 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. Scott BlackW. Scott Black, MD 

Lifestyle & Sports Medicine

As a primary care sports medicine physician, Dr. W. Scott Black functions as a family doctor with specialized training in the treatment and prevention of illness and injury. In other words, he provides comprehensive health care for active patients and patients who are seeking to improve their health with exercise and good nutrition choices.

Dr. Katrina J. EricksonKatrina J. Erickson, MD 

Family Medicine

Katrina J. Erickson, MD, is a board-certified family medicine physician who specializes in Women’s and Children’s Health and Maternity Care. Dr. Erickson and her family moved here from Washington State where she practiced Family Medicine with Obstetrics in a hospital based clinic.

She earned her medical degree at Tulane University School of Medicine and completed her Family Medicine Residency at East Tennessee State University. She completed the Family Medicine Rural Fellowship with a focus on obstetrics at University of Washington.

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.

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.

She has advanced training in trauma and clinical supervision. She is passionate about helping individuals discover freedom and healing.

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.

Dr. Marshall Eddie PruntyDr. Marshall “Eddie” Prunty


Dr. Eddie Prunty earned his medical degree at the University of Kentucky College of Medicine and completed his Family Medicine residency at the Medical Center in Columbus, Georgia.

He is board certified in Family Medicine and most recently cared for patients as a hospitalist at Owensboro Health Muhlenberg Community Hospital. Dr. Prunty will work with our Residents during their inpatient rotations and in caring for Family Medicine Residency Clinic patients who are admitted to Owensboro Health Regional Hospital.

Dr. Gary WahlDr. Gary Wahl

Family Medicine

Dr. Wahl earned his medical degree from University of Kentucky, Lexington, and completed his residency and internship at St. Mary's Medical Center, Evansville. He is board certified in Family Medicine. Dr. Wahl has been caring for families in Owensboro since 1984 and most recently practiced with Owensboro Health Medical Group Family Medicine on Triplett.