
Overview
Dr. William (Bill) Warren is a cardiologist specializing in non-invasive and imaging cardiology. He is board-certified in Internal Medicine, Cardiovascular Disease, Nuclear Cardiology, and Echocardiography. Dr. Warren graduated summa cum laude from Princeton University, earned his Doctor of Medicine degree at Harvard Medical School, completed his internal medicine internship and residency at Massachusetts General Hospital, and finished a cardiology fellowship at Johns Hopkins Hospital. His areas of focus include a wide range of cardiovascular conditions and treatments, with expertise in non-invasive diagnostic studies.Since joining The Chattanooga Heart Institute in 2003, Dr. Warren has become a valued leader at CHI Memorial and in the Chattanooga medical community. He currently serves as managing partner of The Chattanooga Heart Institute, where he collaborates with over 30 colleagues. He previously chaired the CHI Memorial Board of Directors.Dr. Warren possesses a broad range of clinical interests and expertise. His dedication to patient care stems from a deep love of science combined with a genuine ability to connect with patients on a personal level. The complexity and diverse treatment options within cardiovascular care drew him to this field, allowing him to help critically ill patients recover and thrive. He was the recipient of CHI Memorial’s inaugural St. Luke’s Healer’s Heart award which recognizes physicians and providers for demonstrating compassion, inclusion, integrity, excellence and collaboration.Dr. Warren's commitment extends beyond clinical practice. He has conducted research studies which have been published in prestigious journals including the American College of Cardiology Current Journal Review, Circulation, Journal of Infectious Diseases, Journal of Clinical Microbiology, and Journal of Clinical Research.Away from work, Dr. Warren enjoys nature photography and travel. He has visited all seven continents.
Dr. Warren is rated as a Distinguished provider by MediFind in the treatment of Atherosclerosis. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Pacemaker Implantation, and Heart Bypass Surgery.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- HMO
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- INSURANCE PLAN
- MEDICARE MAPD
- MEDICARE PDP
- OTHER COMMERCIAL
- OTHER MEDICARE
- PPO
- EPO
- HMO
- PPO
- MEDICARE MAPD
- OTHER MEDICARE
- HMO
- MEDICARE MAPD
- MEDICARE PDP
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- OTHER MANAGED MEDICAID
- OTHER MEDICAID
- STATE MEDICAID
- HMO
- PPO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE PDP
- EPO
- HMO
- PPO
- OTHER COMMERCIAL
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
2501 Citico Avenue, Chattanooga, TN 37404
The Chattanooga Heart Institute - Hixson
Dr. Andrew Fowler is a cardiologist at The Chattanooga Heart Institute. He is board-certified in internal medicine, cardiovascular diseases, and interventional cardiology. Dr. Fowler completed his fellowship in cardiology at the Medical University of South Carolina, where he also pursued advanced training in interventional cardiology. Prior to that, he completed his internship and residency in internal medicine at the University of Alabama at Birmingham. He graduated magna cum laude from Furman University with a B.S. in chemistry and a B.A. in music. With a patient-centered approach, Dr. Fowler believes in a shared decision-making process with his patients. His goal is to help patients achieve longer lives and allow for a better quality of life. He was inspired to become a physician so that he could be with others in their time of need and finds great fulfillment in fostering meaningful relationships with his patients.He is particularly drawn to the anatomy, physiology, and hemodynamics of cardiology, and is excited about the advancements in the field that help patients feel better and live longer. Dr. Fowler was instrumental in integrating fractional flow reserve, a technique which improves the ability to see the significance of a blockage, into catheterizations in Chattanooga. He views advancements in imaging technology as a significant evolution in his field, which makes for better decision-making and allows patients to avoid unnecessary procedures.Outside of work, Dr. Fowler enjoys spending time with his wife, creating music with loved ones, and playing pickleball. Dr. Fowler is rated as a Distinguished provider by MediFind in the treatment of Atherosclerosis. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Angina, Atrial Fibrillation, and Heart Bypass Surgery.
The Chattanooga Heart Institute - Hixson
Dr. Stephen Monroe earned his medical degree from the University of South Florida College of Medicine at Tampa and completed his internship, internal medicine residency, and cardiology and interventional cardiology fellowships at the University of Florida College of Medicine in Gainesville. He held the position of assistant professor of medicine in the Division of Cardiology at the University of Florida College of Medicine.Dr. Monroe was one of the first cardiologists in this area to perform radial catheterizations. Currently, Dr. Monroe is involved in a number of cardiology research studies either as principal investigator, co-investigator or sub-investigator, or protocol co-author. The studies range from establishing condition-specific treatment guidelines to examining the safety and efficacy of pharmacological treatments. He is also currently participating in ongoing clinical trials.Dr. Monroe has been published in the American Heart Association’s journal, Circulation, as well as in Progress in Cardiovascular Diseases, The Journal of the American College of Cardiology, The Journal of Heart and Lung Transplantation, and The American Heart Journal.|He has co-authored chapters in the books Cardiology and Cardiovascular Therapeutics, A Companion to Braunwald’s Heart 2nd Edition and has presented before the members of the Society for Cardiac Angiography and Interventions. Dr. Monroe is board certified in cardiology and is a member of the Chattanooga-Hamilton County Medical Society.Dr. Monroe is an avid hiker. He and his family enjoy many outdoor activities. Dr. Monroe is rated as a Distinguished provider by MediFind in the treatment of Atherosclerosis. His top areas of expertise are Angina, Coronary Heart Disease, Atherosclerosis, Heart Bypass Surgery, and Advanced Bronchoscopy.
The Chattanooga Heart Institute - Chattanooga
Dr. William F. Oellerich earned his medical degree from the University of Tennessee at Memphis while concurrently earning a doctorate in philosophy in its Department of Pharmacology. He completed his internship and residency in internal medicine and served as chief resident at Barnes-Jewish Hospital at the Washington University School of Medicine in St. Louis, Missouri. He also completed his fellowship in cardiology at Washington University School of Medicine.Dr. Oellerich is board certified in cardiology and echocardiography. He has had specialized training in nuclear cardiology, diagnostic cardiac catheterization, cardiac magnetic resonance imaging, autonomic pharmacology, cardiovascular pharmacology, and echocardiography. He has been published in the American Journal of Roentgenology, Neuroscience and The Journal of Pharmacology and Experimental Therapeutics.He is the director of the echocardiography lab and CT cardiovascular program at Memorial Hospital. He plays an instrumental part in the ongoing progress of the cardiovascular CT program. He is helping to coordinate the introduction of a valve clinic to The Chattanooga Heart Institute. Dr. Oellerich is rated as a Distinguished provider by MediFind in the treatment of Atherosclerosis. His top areas of expertise are Coronary Heart Disease, Atherosclerosis, Aortic Valve Stenosis, and Angina.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- AnginaDr. Warren isDistinguished. Learn about Angina.
- Aortic RegurgitationDr. Warren isDistinguished. Learn about Aortic Regurgitation.
- Aortic Valve StenosisDr. Warren isDistinguished. Learn about Aortic Valve Stenosis.
- Arterial EmbolismDr. Warren isDistinguished. Learn about Arterial Embolism.
- AtherosclerosisDr. Warren isDistinguished. Learn about Atherosclerosis.
- Atrial FibrillationDr. Warren isDistinguished. Learn about Atrial Fibrillation.
- Advanced
- Adenosine Deaminase 2 DeficiencyDr. Warren isAdvanced. Learn about Adenosine Deaminase 2 Deficiency.
- ApoplexyDr. Warren isAdvanced. Learn about Apoplexy.
- ArrhythmiasDr. Warren isAdvanced. Learn about Arrhythmias.
- Atrial TachycardiaDr. Warren isAdvanced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Bidirectional TachycardiaDr. Warren isAdvanced. Learn about Bidirectional Tachycardia.
- Experienced
- Abdominal Aortic Aneurysm (AAA)Dr. Warren isExperienced. Learn about Abdominal Aortic Aneurysm (AAA).
- Acute Coronary SyndromeDr. Warren isExperienced. Learn about Acute Coronary Syndrome.
- Anomalous Left Coronary Artery from the Pulmonary Artery
- Aortic DissectionDr. Warren isExperienced. Learn about Aortic Dissection.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial InsufficiencyDr. Warren isExperienced. Learn about Arterial Insufficiency.


