Our Office

Mon – Fri, 8:00 am – 5:00 pm
175 Mary Street
Boone, NC 28607

Contact Us

Phone: (828) 264-9664
Fax: (828) 264-8144

Our Providers

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Take care of your heart!

The Cardiology Center is committed to providing you with diagnosis and treatment of heart and vascular disease close to home. High Country residents no longer have to leave the mountains for cardiac care from the nation’s top medical professionals. It is located on the campus of Watauga Medical Center, allowing the center’s patients access to the services provided by the Medical Center. Our team is committed to promoting health in the High Country and simply making life better.

The Cardiology Center now offers same-day appointments for new and established patients who are experiencing cardiac symptoms. If you are experiencing chest pain, shortness of breath, or other life-threatening symptoms, call 911. If you are experiencing non-life-threatening cardiac symptoms, call (828) 264-9664 to schedule an appointment.

*Note: Cardiology services are available at Grandfather Specialty Clinic (Linville, NC) and Jefferson Specialty Clinic (Jefferson, NC). Call (828) 264-9664 to schedule an appointment.

Patients may contact Practice Manager Valeree Lentz at vlentz@apprhs.org or call (828) 264-9664 with questions, concerns, complaints or compliments regarding The Cardiology Center. 

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Our Services

Afib Monitors

Arrhythmia Clinic

Cardiac Resynchronization

Cardiology Consultations

Cardiovascular Interventions

Defibrillators

Diagnostic Catheterizations

Echocardiograms

EKGs

Exercise Treadmill Tests

Heart Monitors

Implantable Monitors

Nuclear Stress Tests

Pacemakers

Stents

Stress Echocardiograms

Show Your Heart Some Love: 3 ways to prevent heart disease

From chocolates to festive decor, you can’t go anywhere during the month of February without seeing hearts. But just because you can’t see your heart as easily as the Hallmark cards lining the stores right now, that doesn’t mean it doesn’t deserve some much-needed attention. It’s the only one…

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Heart Failure

Heart failure is a condition in which your heart becomes too weak to pump blood as effectively as it should. It may come on suddenly, after a heart attack for example, or it may develop slowly as you age or in response to a variety of diseases and conditions, especially high blood pressure.

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Electrophysiology

Appalachian Regional Healthcare System introduced to the High Country the first electrophysiology program to provide leading edge, exceptional care for persons with cardiac arrhythmias and the need for pacemaker and defibrillator implantation and management.

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Coronary Calcium Scoring

Coronary calcium scoring (CCS) is a proven, non-invasive method that can directly identify plaque buildup in the coronary (heart) arteries

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Cardiopulmonary Rehabilitation

Appalachian Regional Healthcare System works with individuals as inpatients, upon release from the hospital and as outpatients to promote a healthy lifestyle and take steps to prevent a future cardiac event.

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Dr. Denier is great….She’s an extremely good cardiologist. I highly recommend her. Also, her staff is wonderful. They actually call you back with test results, and they return phone calls. How many doctors’ offices do that today?

Brenda R.

As a former nurse, I am very selective about the physicians treating my family. Dr Hordes gained my respect by first walking into the room and extending his hand to shake with first my husband, the patient, and then myself. He gained my trust through his calm demeanor, pensive consideration of the issues, realistic treatment plan and attention to detail. I cannot recommend him highly enough and have the highest confidence in his ability.

Bunny E.

Outstanding ! Couldn’t be happier Dr. Helak is thorough and on the spot! Great physician!

Bette P.