Dr. Brian Steg, Dr. Derek Luney, Dr. Luke Byrnes, Dr. James Ritter, Dr. Jeff Neal, Dr. Patrick Whalen, Lisa Michel PA-C, Sara Paul, DNP, FNP, Whitney Patterson, NP and Cory Wiles, PA-C come to you with a combined 110+ years of experience. The top priority of our providers is to give each patient the highest quality of care available. We provide general cardiology, peripheral interventions, pacemaker implantation and interventional cardiology. Remember, your cardiology team is your first line of defense in guarding your most valuable possession of all: your HEART!


• Electrocardiogram (EKG)
• Pulse Oximetry
• Ankle Brachial Index (ABI)
• Holter Monitors (24 & 48 hour)
• Event Monitors
• Event Monitors
• Pacemaker and PT/INR Monitoring
• Regular Stress Tests (walking treadmill)
Heart Failure Follow Up
• Administration of IV Lasix

Special Services Provided by our Providers at CVMC:

  • CardioMEMS and RevealLINQ cardiac monitoring device insertion using non-surgical outpatient procedures
  • Stress tests, also called exercise stress tests,  gather information about how your heart works during physical activity
  • MUGA Scans (Multi Gated Acquisition Scan) evaluate the function of the heart ventricles
  • Echocardiograms – provide images of your heart to allow providers the ability to identify various adverse heart conditions
  • Trans-esophageal echo (TEE), produce a detailed graphic outline of your heart’s function
  • Cardiac Catheterizations are used to diagnose and treat heart disease
  • Stents – small expandable tubes placed within narrowed or weakened arteries keep blood supply flowing to the heart
  • Cardioversion procedures convert an abnormally fast heart rates (tachycardia) to normal rhythms

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Heart Failure Clinic: Catawba Valley Cardiology offers a dedicated heart failure clinic to provide preventative care for patients experiencing heart failure symptoms. The clinic offers an alternative to an emergency room visit for patients with minor heart failure symptoms such as shortness of breath, swelling or fatigue.


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Catawba Valley CardiologyCardiology Practice
3521 Graystone Place SE STE 202 • Conover, NC 28613
Conveniently located in the Graystone Professional Building across Fairgrove Church Road from Catawba Valley Medical Center
Phone: 828.326.2354
Fax: 828.326.2385
Hours of Operation
Monday – Friday
8am – 12pm and 1pm – 5pm
Dr. Brian Steg


Dr. Brian Steg was a co-founder of Hickory Cardiology Associates, where he worked from 1983 to July 2011. He earned his medical degree from Case Western Reserve University in Cleveland, Ohio and his Bachelor of Arts from the College of Wooster. He completed his fellowship, residency, and internship at Bowman Gray School of Medicine in Winston-Salem, North Carolina. He is boarded by the American board of Internal Medicine in Internal Medicine Cardiology and Interventional Cardiology. Dr. Steg is a fellow of the American College of Cardiology, American College of Physicians, American College of Chest Physicians, and is a fellow of the Society of Coronary Angiography and Intervention. Dr. Steg performs cardiac catheterizations, coronary angioplasty, stenting, pacemakers, peripheral vascular angioplasty and structure for peripheral vascular disease.

Dr. Derek Luney


Dr. Derek Luney worked at Hickory Cardiology Associates, PLLC, from 1996-June 2011 and Cardiology Associates of Anderson from 1995-1996. He earned his medical degree from the Medical College of Georgia in Augusta, GA, and his Bachelor of Science in Biology and Mathematics from Guilford College in Greensboro, N.C. Luney completed his fellowship, residency and internship from the University of Alabama in Birmingham, Alabama. He is a fellow of the American College of Cardiology.   Dr Luney performs cardiac catheterizations and also has interest in non invasive evaluation of the heart including echocardiography and nuclear cardiology.


Dr. Luke Byrnes


Dr. Byrnes joined Catawba Valley Cardiology in April of 2012 and is board certified in internal medicine, nuclear cardiology, adult comprehensive echocardiography, cardiovascular disease and interventional cardiology. As both an interventional and clinical cardiologist, he is able to help prevent, diagnose and treat a wide range of cardiac diseases. After graduating from New York Medical College in 2003, Dr. Byrnes completed an internal medicine internship and residency at St. Vincent’s Hospital in Manhattan, followed by fellowships in both cardiology and interventional cardiology. He earned both Level II and III certifications with over 300 interventional procedures performed. Dr. Byrnes is a fellow of the American College of Cardiology and the Society of Coronary Angiography and Intervention. Prior to joining the staff at CVMC, Dr. Byrnes worked as an interventional cardiologist at Meadville Medical Center, in Meadville, PA. He is a member of the American College of Cardiology and is bi-lingual in English and Spanish.

Dr. James Ritter

Prior to joining Catawba Valley Cardiology in January 2014, Dr. Ritter practiced Interventional Cardiology in Wilmington, DE for 25 years. Dr. Ritter received a BChE with honors from the University of Delaware and his M.D. from Jefferson Medical College of Thomas Jefferson University in Philadelphia, PA. He completed his medical internship and residency at the Medical Center of Delaware, and was Chief Medical Resident in 1986. Dr. Ritter completed his Cardiology fellowship at the Lankenau Hospital in Philadelphia, PA. He is Board Certified in Internal Medicine and Cardiovascular Disease, and a fellow of the American College of Cardiology, a fellow of the Society of Coronary Angiography and Interventions, and is NASPE certified. Dr. Ritter has been a principle investigator in several clinical trials. Dr. Ritter performs cardiac catheterizations, coronary angioplasty and atherectomy, and coronary stenting. He also performs peripheral vascular procedures, and is certified to implant Amplatzer closure devices.

Dr. Jeff Neal


A native Virginian, Dr. Neal attended the University of Virginia undergraduate and matriculated to the Medical College of Virginia pharmacy school where he attained a doctorate of pharmacy. After practicing pharmacy for 5 years, he then enrolled at the Virginia College of Osteopathic Medicine at Virginia Tech. Following medical school, Dr. Neal served as a resident in internal medicine at The Carilion Clinic in Roanoke, VA before completing a general cardiology fellowship with OhioHealth in Columbus, OH and subsequently completed an interventional cardiology fellowship at The Carilion Clinic in Roanoke, VA. Dr. Neal and his wife Carrie reside in Hickory with their daughter and two sons. He is an avid outdoors enthusiast who enjoys hunting, fishing and golf.

Dr. Patrick Whalen

whalen_patrick_nov16_webHaving joined Catawba Valley Cardiology in November of 2016, Dr. Whalen also serves as the Director of Cardiac Electrophysiology and is Adjunct Faculty in Global Health at Wake Forest Medical Center. He earned his Medical Degree from Wake Forest University and went on to complete his postdoctoral training at Emory University and Vanderbilt University Hospitals. Among many other achievements, Dr. Whalen was instrumental in developing the hybrid procedure for AFib, which combines the tools for surgical and catheter ablation for patients with resistant atrial fibrillation. He’s also a national leader in lead extraction (the removal of a cardiac devices and leads) and helped to develop a center for training in transvenous lead removal. For the past 5 years, Dr. Whalen has held a position as team leader for a non-profit organization called Friends of Rudy (FOR) Nicaraguan Health which provides medical aid to the great numbers of impoverished people in Nicaragua who have limited access to health care.

Lisa Michel, PA-C


Lisa Michel worked at Hickory Cardiology from 2000 to July 2011. She completed her Physician Assistant Master of Science from Aracadia University in Glenside, PA, and her Bachelor of Science in Biology with a concentration in Bioethics from Nazareth College in Pitsford, NY. Professionally, Michel is NCCPA Certified, ACLS Certified, and has been a member of the AAPA from 2000 to the present.




Sara Paul, DNP-FNP

Sara Paul received a nursing degree from Florida State University in 1981 and a master’s degree in cardiovascular nursing from the University of Alabama at Birmingham in 1986. She completed her nurse practitioner studies at Medical University of South Carolina in 1995, and in 2010 she received her doctoral degree in nursing from Duke University. She has been an advanced practice nurse for 27 years as a Clinical Nurse Specialist and a Clinical Assistant Professor of Nursing. Since 1995, she has been a nurse practitioner managing heart failure patients. From 2002-2013, she was the Director of the Heart Function Clinic at Hickory Cardiology. Sara is a founding member of the American Association of Heart Failure nurses, and is active in the leadership of the Heart Failure Society of America and the American Heart Association. Sara has numerous publications in books and journals, and is the editor of two nursing textbooks. She regularly speaks at conferences, and currently sits on the editorial board of three professional journals.


Whitney Patterson, FNP-C


Whitney is originally from San Diego, California where she received her B.S. in Psychology from the University of California, San Diego before moving to North Carolina. She then received her Master’s in Business Administration at the University of North Carolina at Charlotte. After receiving her BSN Magna Cum Laude from UNCC, she then graduated with an MSN and earned her FNP-C certification from the AANP. She is currently working towards a DNP, also at UNCC.



Cory Wiles, PA-C
A Nationally Certified Physician Assistant, Cory Wiles earned a Master of Physician Assistant Studies at Eastern Virginia Medical School in Norfolk, VA and his Bachelor of Science in Biology from East Carolina University in Greenville, NC. Prior to joining Catawba Valley Cardiology, Cory was a Hospitalist Physician Assistant at Caldwell UNC Health Care and a Nephrology Physician Assistant at Blue Ridge Nephrology and Hypertension Center – both in Lenoir, NC. He is currently a Physician Assistant Educator at Lenoir-Rhyne University and is certified in Advanced Cardiovascular Life Support (ACLS). He has been a member of the American Academy of Physician Assistants (AAPA) from 2012 to the present.




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Catawba Valley Cardiology is a service of Catawba Valley Medical Center