Holston Medical Group (Meadowview)

Zachary Kegley, DO, is passionate about delivering whole-person care and forming strong patient partnerships. Originally from eastern Virginia with deep family ties to the region, he considers Northeast Tennessee home and is honored to serve the community that shaped him. Dr. Kegley focuses on prevention, wellness, and treating the individual, not just the symptoms.His clinical interests include preventive screenings, adolescent care, geriatric care, chronic disease management, and musculoskeletal health.

HMG's Outpatient Diagnostic Centers provide the latest technology at a fraction of the cost. With diagnostic capabilities that rival the nation’s leading research medical centers, each of our state-licensed, ACR-accredited facilities boast of fully-digital diagnostic imaging—providing immediacy of results. Diagnostic Modalities & Procedures Holston Medical Group offers the following diagnostic imaging modalities. To learn more about each modality, the specific procedures performed, and pre-exam instructions, please click your modality of choice. CT Scan Densitometry Digital Mammography 3d Mammography Echocardiogram MRI Nuclear Medicine Stress Test (Exercise Treadmill Test) Ultrasound X-Ray* Note: There are no special pre-exam instructions for X-Ray exams. ACR Accredited HMG’s Outpatient Diagnostic Centers are the only such diagnostic facilities in the Tri-Cities to have achieved accreditation from the American College of Radiology (ACR) for each and every modality offered. This rigorous accreditation process demonstrates excellence in diagnostic imaging and performance. Learn more about our ACR Accredited diagnostic facilities. Low-Dose Technologies Computed Tomography (CT) scans play a vital role as a diagnostic tool for adults, and they are also extremely helpful in diagnosing illnesses in children. In pediatrics, physicians and radiologists are especially sensitive to radiation levels. Our new Philips CT system modalities have the lowest-dose CT in the market. The advanced capabilities of the new Phillip’s system provide an 80 percent lower dose of radiation with up to a 68 percent image improvement. Click to learn more about our Phillips’ Ingenuity 128 CT system. Immediacy of Results Thanks to our PACS (picture archive communication system) by Philips®, your ordering physician is provided instantaneous access via our secure web browser. With fully-digital imaging capabilities, your diagnostic images are available within just a matter of a few clicks of the mouse. For you, our patient, this means less time worrying and waiting. *Your imaging will first need to be interpreted by a member of our radiology team. Upon interpretation, both the imaging and the interpretation will be accessible within our advanced PACS system and available to your physician via our secure web browser. Special Scheduling Considerations Because we understand the anxiety associated with any sort of diagnostic testing, you can be assured that your diagnostic imaging will be performed at the earliest appointment date available. To accommodate your schedule, we provide evening appointment hours as well as Saturday hours. When you or your physician’s office calls to schedule, please let us know of any special schedule considerations and we will do our best to accommodate you.

Zachary Kegley, DO, is passionate about delivering whole-person care and forming strong patient partnerships. Originally from eastern Virginia with deep family ties to the region, he considers Northeast Tennessee home and is honored to serve the community that shaped him. Dr. Kegley focuses on prevention, wellness, and treating the individual, not just the symptoms. His clinical interests include preventive screenings, adolescent care, geriatric care, chronic disease management, and musculoskeletal health.