Frans A. Vossenberg, M.D., FACC

Dr. Vossenberg is board certified in Interventional Cardiology, Internal Medicine and Cardiovascular Diseases. He has been in practice in Fredericksburg since 1990. His medical practice is specific to consultative cardiology, cardiac catheterization, coronary intervention, cardiac CT angiography and clinical research. He is the founder of Virginia Cardiovascular Consultants.


Thomas E Martyak, M.D., FACC

Dr. Martyak is Board Certified in Internal Medicine, Cardiovascular Diseases and Interventional Cardiology. He is an Assistant Professor at the Medical College of Virginia. Dr. Martyak’s practice includes consultative cardiology, interventional cardiology, cardiac catherization, coronary and peripheral vascular intervention and clinical research. He is the Chairman of the Virginia Heart & Vascular Institute and has been in practice in the Fredericksburg area for over 20 years.


Robert B. Vranian, M.D., FACC, President

Dr. Vranian specializes in consultative cardiology with special interests in disease prevention, cardiovascular health, cardiac risk factor modification, cholesterol disorders, hypertension and congestive heart failure. In addition to the Board Certifications in Internal Medicine and Cardiovascular Disease, he is a Diplomate of the American Board of Integrative and Holistic Medicine, and he is Director of Integrative Cardiology at the Virginia Heart and Vascular Institute.  He is active in medical education and clinical research, and his practice is committed to assisting the patient and their physician in providing effective, innovative and personalized cardiovascular care.


Thomas Wheeler, M.D., FACC

Dr. Wheeler specializes in consultative and interventional cardiology with particular emphasis on cardiac catheterization, coronary intervention, transesophageal echocardiography and cardiac CT angiography. He has cared for patients in the Fredericksburg area for over 25 years.

S. Henry F. Clemo, M.D., FACC

Dr. Clemo is a board certified Clinical Cardiac Electrophysiologist who specializes in the diagnosis and management of abnormal heart rhythms. He received his M.D. and Ph.D. degrees from the University of Virginia and completed internal medicine, cardiology, and cardiac electrophysiology at the Medical College of Virginia. Dr. Clemo is an Associate Professor of Medicine in the Clinical Cardiac Electrophysiology Section at the Virginia Commonwealth University (VCU) Heart Center in Richmond, and continues a collaborative affiliation at the VCU Heart Center.



Dr. Jeffrey E. Askew, M.D., FACC

Dr. Askew is board certified in Cardiovascular Diseases and Nuclear Cardiology. He served as chief of Internal Medicine at Wright-Patterson Air Force Base in Dayton, Ohio. He was trained in invasive and non-invasive cardiology at The University of Cincinnati. His areas of interest and expertise include cardiac nuclear stress testing, congestive heart failure, pulmonary hypertension, consultative and preventive cardiology, and clinical research.



Harish Chandra, M.D., MPH, FACC

Dr. Chandra is board certified in Cardiology, Interventional Cardiology, Nuclear Cardiology, Vascular Medicine and Endovascular Medicine. He specializes in the diagnosis and management of cardiac and vascular diseases, with interests in coronary, peripheral vascular and carotid intervention. Dr. Chandra has made available to our community minimally invasive treatment for certain congenital heart conditions like Atrial Septal Defects and Patient Foramen Ovale. Additionally, consistent with his Public Health background, he has continued to focus on preventive cardiology and clinical research.



Liv Laren Alderman, RN, BSN, MSN, NP-BC

Ms. Alderman is a board certified Adult Nurse Practitioner. She received her Master of Science degree in nursing from George Mason University in collaboration with the George Washington School of Medicine. Liv has previously worked in primary care medicine.




Mary-Gordon B. Brown, MSN, FNP-C

Ms. Brown is a board certified Family Nurse Practitioner.  She received her Master of Science in Nursing from Virginia Commonwealth University.  She has prior experience working in the field of endocrinology and specializes in electrophysiology working closely with Dr. Henry Clemo.  Mary-Gordon has been with VCC since 2008.