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Do Radiologists Need to Be On-Site for Contrast Supervision in 2026?

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Regulatory requirements for supervision of contrast administration (such as intravenous contrast for CT or MRI) have recently evolved. The answer to whether a radiologist must be physically on-site to supervise contrast administration “at this time” depends on the regulatory framework you’re operating under (e.g., CMS Medicare rules, American College of Radiology (ACR) guidance, state law). […]

Why More Radiologists Are Choosing NRAD: Efficiency, Stability & a Better Way to Practice

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As teleradiology expands, many radiologists are re-evaluating what they want from their careers: better work-life control, dependable support, and a stable environment where they can simply practice radiology without unnecessary frustration. For MSK and Body radiologists in particular, the right remote model can be the difference between burnout and sustainability. And according to NRAD’s Chief […]

What is Teleradiology and How Can It Benefit Your Imaging Business?

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Teleradiology is not a brand-new concept in radiology, but it may be an avenue your imaging business or group has yet to explore. It could be the missing piece to use your resources most efficiently. If you are eager to learn more about what exactly teleradiology is, what types of businesses commonly use it, the […]

Can Remote Radiology Be a Long-Term Career? Here’s What the Experts Say

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As remote radiology continues to gain popularity and a proven solution, a common question arises: Is it just a short-term fix, or can it truly support a long-term, rewarding career? For many radiologists, the answer is clear. Teleradiology has evolved from a coverage gap solution into a strategic, sustainable path that offers professional fulfillment, flexibility, […]

What Hospital Leaders Really Think About Teleradiology Today

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As the healthcare system continues to evolve, so does the perception of teleradiology. In 2025, it’s no longer viewed as a short-term fix or an emergency backup — it’s become a strategic extension of hospital imaging departments. But what do hospital leaders really think about teleradiology today? We asked, we listened, and here’s what we […]

Trends Shaping Teleradiology in Outpatient Imaging

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Teleradiology is rapidly transforming outpatient imaging centers. As technology advances and referring physicians’ and patients’ expectations evolve, teleradiology’s role in delivering high-quality, efficient care continues to expand. Emerging trends in AI integration, cloud-based imaging, and regulatory updates are shaping the future of this field, ensuring improved diagnostic accuracy and streamlined operations.  Key Trends Shaping Teleradiology  […]

The Shift Toward Teleradiology in Outpatient Imaging

The Shift Toward Teleradiology in Outpatient Imaging blog banner

Outpatient imaging centers play a crucial role in modern healthcare, providing patients with faster, more accessible diagnostic services outside of traditional hospital settings. Teleradiology is revolutionizing these facilities, enabling them to deliver accurate, timely reports while improving overall patient care (American College of Radiology).  Key Benefits of Teleradiology for Outpatient Imaging  1. Dependable Turnaround Times  […]

The Demand for Work-Life Balance in Radiology

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Radiology is a high-demand specialty that requires precision and focus. However, traditional radiology roles often involve long, unpredictable hours, overnight shifts, and burnout risks. A 2023 study published in the Journal of the American College of Radiology found that 55% of radiologists experience symptoms of burnout, primarily due to work overload and night shifts.  The […]

Unlocking the Benefits of Teleradiology for Your Healthcare Facility

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Teleradiology can bring numerous cost and quality-related benefits to your hospital, practice, outpatient imaging center, or mobile company. You can optimize your resources, improve patient care, and enhance operational efficiency by leveraging teleradiology services. Let’s explore the key benefits of teleradiology for your facility. Cost Efficiency When you choose to utilize a teleradiology company, you […]

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Robb Kolb, MBA

CEO, Owner

Mr. Robb Kolb brings over two decades of leadership expertise in the business aspects of healthcare. Throughout his career, he has been recognized as a transformational leader, driving significant improvements in client satisfaction and fostering positive employee cultures across various management roles.

Robb holds a Bachelor of Business Administration (BBA) and a Master of Business Administration (MBA) from Anderson University, underscoring his solid academic foundation in business management. His educational background complements his extensive practical experience in healthcare leadership, where he has consistently demonstrated strategic acumen and a commitment to organizational excellence.

With a focus on creating cultures of satisfaction both for clients and employees, Robb Kolb continues to contribute to the advancement and success of healthcare organizations through his visionary leadership and management capabilities.
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Doris Malaney

Director of Operations

Doris, a valuable addition to NRAD since 2020, brings five years of experience from a Level I Trauma Center in the Pediatric Emergency Department. Her exceptional performance led to her promotion to Operations Manager in 2022 and 2025 and to Director of Operations. In this role, she leads a team of Operations Specialists, ensuring clients and radiologists receive exceptional service in study turnaround times, addendums, diagnostic services, positive findings communication, and more.

Her commitment to the servant leadership model, often lacking in larger organizations, is a testament to her dedication and the values NRAD upholds.

Doris enjoys spending time with her family and two Golden Retrievers in her spare time.

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Lydia Chastain

Chief Financial Officer

Lydia Chastain has over five years of experience overseeing finance in the healthcare environment, joining NRAD’s finance team in 2017. She earned an undergraduate degree in business administration and a master’s in organizational leadership from Anderson University. Lydia is passionate about maintaining excellent relationships with internal and external stakeholders, including vendors, clients, and employees. She utilizes a servant leadership model and believes that her purpose in the organization is to serve and empower her staff, maintain timely vendor payments, and ensure the organization’s finances are managed to position NRAD for health, growth, and the ability to serve our communities. Lydia is married to her high school sweetheart and is a devoted mother to two daughters. In addition, she enjoys spending time cooking, gardening, and hiking with her family.

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Stephanie Belk

Clinical Manager

Stephanie Belk joined NRAD in January 2014 with a robust background in radiology, gained through her work in hospital and outpatient clinical settings. Her experience paved the way for her promotion to Clinical Manager in January 2015. In her current role, Stephanie excels in leading the clinical department, utilizes the skills of her team in maximizing radiologist efficiencies, and ensuring high-quality, timely delivery of radiology reports.

Outside of work, Stephanie has a rich array of interests. She enjoys spending quality time with her husband and daughter and also finds relaxation and enjoyment in gardening, fishing, swimming, kayaking, baking, and weight-lifting activities. These hobbies reflect a diverse range of interests, showcasing her passion for outdoor and creative activities.

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Caleb Bryant

Director of Physician & Clinical Services

Caleb’s career trajectory within NRAD is a testament to his dedication and adaptability. He joined NRAD in December 2019 as an Operations Specialist, was promoted to Operations Manager, and transitioned to his current role in April 2022. In this role, Caleb oversees Physician Recruitment, supports NRAD’s physicians as a liaison with clients, and manages other projects related to Clinical Services. His extensive background in hospital and clinical settings, particularly in Perioperative Services and Pathology, has equipped him well for these responsibilities.
 

His commitment to developing and implementing processes tailored to our clients and their care providers’ needs reflects his proactive approach to enhancing operational efficiency at NRAD. Caleb enjoys golfing, playing music, and, most importantly, spending quality time with his family.

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Tom Ambrose

Chief Information Officer

Mr. Ambrose has been in IT since 2009. With NRAD, Tom leads the IT team and administrates company IT systems while supporting clients and designing NRAD’s future IT architecture. He also oversees the information technology strategy and develops goals for the IT department.

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Darrin Dodge

Executive Director
Business Development

Darrin brings a wealth of experience and a deeply personal connection to the radiology field, driven by his father’s battle with cancer and subsequent introduction to diagnostic imaging technology in 2005. Since then, he has excelled in business development, customer retention, and marketing within the radiology industry. Before his focus in radiology, Darrin held leadership roles in staffing and HR, where he significantly grew market share and expanded into new communities, achieving impressive annual growth rates.

At NRAD, Darrin leads customer growth, retention, profitability, marketing, and promotion initiatives. His consultative approach and gifted networking skills have fostered enduring relationships with radiology groups, imaging centers, multispecialty clinics, hospitals, and industry professionals over his 20-year tenure. He advocates for his team and embodies the values of competence, collegiality, community, kindness, and respect.

Darrin enjoys a dynamic personal life outside of work in greater Nashville, TN, and East Lansing, MI, with his wife, children, two dogs, and a granddog. His hobbies include bicycling, music, CrossFit, scuba diving, hiking, and cheering for MSU Football. Despite admitting his golf game needs improvement, he’s actively working on it.

For practices or facilities considering changes or additions in teleradiology support, Darrin welcomes you to schedule a meeting to explore how NRAD can effectively support your needs. His dedication and expertise make him a valuable partner in navigating radiology solutions tailored to your requirements.

 

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Melanie Humphries

Special Projects

Melanie has been a cornerstone of NRAD since its inception in 2013, playing a pivotal role in building the departments, processes, and leadership structure that define our organization today. Her influence has shaped not only how NRAD operates but also the leaders who carry its vision forward.
 
Over the years, Melanie has overseen the Clinical, Operations, IT, and Credentialing departments, helping establish NRAD’s signature “radiology with personality” culture. Having successfully mentored the next generation of leaders, she now lends her expertise to strategic Special Projects that support the company’s continued growth.
 
Melanie holds a B.A. from Clemson University. Her background as a Juvenile Probation Officer and Mentor Coordinator uniquely prepared her for fostering strong relationships with staff, radiologists, clients, and vendors alike. Outside of work, Melanie enjoys spending time with her family, gardening, and music.