Meet Our Doctors

This eleven-member group consists of board certified radiologists with subspecialty training in neuroradiology, interventional radiology, nuclear medicine, CT, ultrasound, MRI, mammography, and musculoskeletal imaging.

Cecil W. Cupp, III, MD

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Dr. Cecil W. Cupp, III is a 1975 graduate of Hendrix College in Conway, AR. and received his medical degree from the University of Arkansas Medical Center in 1979 and completed his internship at that institution in 1980. He finished his residency at the University of Tennessee in Memphis in 1983 and joined the practice that same year. A member of the Arkansas State Medical Society and the Garland County Medical Society, he has also served as a delegate to the American College of Radiology.

Mark S. Russell, MD

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Dr. Mark S. Russell is a 1973 graduate of Western Kentucky University in Bowling Green and received his medical degree from the University of Arkansas for Medical Sciences in 1985. After completing his internship and residency at UAMS, he joined the practice in 1989. He holds memberships in the Arkansas State Medical Society, the Garland County Medical Society, the American College of Radiology, the American Roentgen Ray Society, and the Radiologic Society of North America. In November 1998, he received his Certificate of Added Qualification in Vascular & Interventional Radiology.

Michael P. Hickman, MD

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After receiving his diploma from the University of Arkansas at Little Rock in 1982, Dr. Hickman completed the course of study for his medical degree at the University of Arkansas Medical Center in 1986. His residency was finished at the University of Tennessee in Memphis in 1990. He then completed a fellowship in vascular and interventional radiology in 1991. After practicing in Kinsport, TN for a short time, Dr. Hickman joined the group in 1992. His professional memberships include the American College of Radiology, the Arkansas State Medical Society, the Garland County Medical Society, the Radiological Society of North America, the Society of Minimally Invasive Therapy, and the Society for Cardiovascular and Interventional Radiology. Widely recognized for his knowledge in the field of vascular and interventional radiology, he is a frequent guest speaker and lecturer at medical seminars.

Mark B. Robbins, MD

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Dr. Mark B. Robbins is a 1982 graduate of the University of Arkansas in Fayetteville and received his medical degree from the University of Arkansas for Medical Sciences in 1987. Following his time at UAMS, he completed residency programs at St. Joseph's Hospital, Milwaukee, WI and the University of Arkansas for Medical Sciences in 1991. After completion of a fellowship in neuroradiology at UAMS, he joined Hot Springs Radiology Services in 1993, specializing in neuroradiology and magnetic resonance imaging. Professional memberships include the American College of Radiology, the Arkansas State Medical Society, the Garland County Medical Society, the Radiological Society of North America, and the American Society of Neuroradiology

Stephen P. Penor, MD

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Dr. Stephen P. Penor is a 1995 graduate of the University of Arkansas in Fayetteville and received his medical degree from the University of Arkansas for Medical Sciences in 1999 and completed his internship at that institution in 2000. He finished his residency at UAMS in 2004. He completed his fellowship in nuclear medicine at Emory University Hospital in Atlanta, Georgia in 2005 and joined the practice shortly thereafter. Professional memberships include the American College of Radiology, Arkansas State Medical Society, the Arkansas Chapter of the ACR, Radiologic Society of America and the Garland County Medical Society.

Lonnie B. Wright, MD

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Dr. Lonnie B. Wright is a 1995 graduate of the University of Arkansas in Fayetteville and received his medical degree from the University of Arkansas for Medical Sciences in 1999. Following a diagnostic radiology residency at UAMS in 2004 and a fellowship in interventional radiology at UAMS in 2005, Dr. Wright was employed as a physician and assistant professor at the University of Arkansas College of Medicine before joining the practice in 2006.

Dr. Wright holds memberships in the American Medical Association, American Roentgen Ray Society, Arkansas Medical Society, Radiology Society of North America, and the Society of Interventional Radiology.

Dr. Wright currently serves on the board of trustees for the Arkansas Medical Society.

James R. McCarley, MD

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Dr. James R. McCarley is a 2000 Graduate of the University of Arkansas at Fayetteville. He received his medical degree in 2004 from the University of Arkansas for Medical Sciences. Dr. McCarley completed his radiology residency in 2009. After completing a vascular and interventional radiology fellowship at the University of Pennsylvania in 2010, Dr. McCarley joined Hot Springs Radiology. He is a member of the Society of Interventional Radiology, American College of Radiology, American Medical Association, Arkansas Medical Society and the Garland County Medical Society.

William M. Reyenga, MD

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Dr. William M. Reyenga is a 2006 graduate of the University of Arkansas in Fayetteville. He received his medical degree from the University of Arkansas for Medical Sciences in 2010 and completed his diagnostic radiology residency at UAMS in 2015. After completing a neuroradiology fellowship at the University of Colorado in Denver, Dr. Reyenga joined the practice in 2016. He holds memberships in the American College of Radiology, Radiological Society of North America, American Roentgen Ray Society, and the American Society of Neuroradiology.

Services Offered

    Diagnostic Radiology
    Fluoroscopy
    Interventional Radiology
    Computed Tomography (CT)
    Ultrasound
    Magnetic Resonance Imaging (MRI)
    Nuclear Medicine