Our Team

  • Physician-designed
  • Physician-owned
  • Physician-operated
Mohit Bhasin, MD

Mohit Bhasin, MD


Mohit Bhasin, MD is a cofounder  of IHS. He is the Medical Director of Cardiovascular CT and MRI Imaging at Sentara Heart Hospital and co-director of Pediatric Cardiovascular MRI imaging at Children's Hospital of the King's Daughters. Dr. Bhasin directs a level III one year apprenticeship for cardiologists in cardiovascular MRI and CT and has trained over one thousand radiologists and cardiologists over 14 years in courses in Virginia, endorsed by the Society of Cardiovascular CT.

He attended medical school at Emory University School of Medicine in Atlanta as a Robert Woodruff Scholar in Medicine, then completed Internal Medicine Residency and Cardiovascular Disease Fellowship and served as Chief Cardiovascular Fellow while pursuing two years of specialized training in the field of Cardiovascular MRI and CT imaging. A former George Starbuck Fellow at Boston University in Creative Writing and winner of the William Carlos Williams Prize from the Center for Human Values in Medicine, he has become a recognized leader in heart photography. His clinical cardiovascular practice specializes in diseases of the aorta, adult congenital heart disease, and multimodality tertiary referral cases such as cardiac masses, as well as general cardiology problems.

He is board certified in Internal Medicine, Cardiovascular Diseases, Nuclear Cardiology, Echocardiography, and Cardiovascular Computed Tomography. He has been voted one of the Top Cardiologists in Virginia by his peers every year for the last decade. He is a Fellow of the American College of Cardiology and a Fellow of the Society of Cardiovascular CT.

Christopher Maroules, MD

Christopher Maroules, MD


Christopher Maroules, MD is a cofounder and serves as Chief Operating Officer for IHS. He is a cardiothoracic radiologist for Radiology Associates of South Florida and has helped develop advanced cardiac imaging programs at military hospitals throughout the United States. Dr. Maroules serves on the Board of Directors for the Society of Cardiovascular Computed Tomography (SCCT) and has co-authored numerous guidelines for coronary CT angiography.  He also serves on the ACR Appropriateness Criteria Committee for Cardiac Imaging, and directs a successful Level II cardiac CT training course. 

Dr. Maroules attended the University of Texas Southwestern Medical School in Dallas, graduating with honors and Distinction in Research.  Following a medical tour with the United States Navy, he returned to Dallas to complete residency and a cardiothoracic imaging fellowship at the University of Texas Southwestern Medical Center.  While in training, Dr. Maroules became recognized for his contributions to the Dallas Heart Study, one of the largest population-based cardiac research studies.  He received several awards from the ACR, ACC, and RSNA, including funding to develop new MRI sequences for evaluating blood flow in the lungs and heart.  Dr. Maroules is Board Certified in Diagnostic Radiology and Cardiovascular Computed Tomography, and is Level III-trained in both cardiac CT and MRI. 

Ron McKechnie, MD

Ron McKechnie, MD


Ron McKechnie, MD is a cofounder of IHS. He also serves as our Chief Altruism Officer. Ron has a specific interest in steering our charitable strategies and implementing our mission worldwide. He is an active interventional cardiologist. He has achieved professional status as Fellow to the American College of Cardiology and the Society for Cardiovascular Angiography and Interventions.  He also serves as co-medical director for Haiti180, a mission serving the impoverished and underserved in Haiti.  His background education in biomedical engineering lends additional expertise within IHS's business model.  He is published in several international peer-reviewed journals and has presented at national scientific conferences.  He participates in the cardiovascular education for Eastern Virginia Medical School and enjoys teaching medical students and residents.  

He graduated with a B.S. in Biomedical Engineering from Northwestern University. He attended medical school at the University of Miami School of Medicine, and completed Internal Medicine Residency, Cardiovascular disease Fellowship, and Interventional Cardiology Fellowship at the University of Michigan. 

He is married with three children and enjoys outdoor activities including running, cycling, and fishing.

Mazen Awais, MD

Mazen Awais, MD

Contact Me:
mawais@ihsmd.org

Mazen Awais, MD is a cofounder and Chief of Strategy and Design at IHS. He serves as an attending noninvasive cardiologist with a focus on multi modality imaging at Mount Carmel Health in Columbus, Ohio where he is a partner with Columbus Cardiology Consultants. He serves as a member of the Governance Council of the Mount Carmel Medical group. 

He received an A.B. from Princeton University where he concentrated in the Woodrow Wilson School of Public and International Affairs. He attended medical school at Case Western Reserve University School of Medicine, and completed Internal Medicine residency and Cardiovascular Diseases fellowship at the University of Michigan. His clinical cardiovascular practice is specializes in coronary artery disease, advanced valvular and structural heart disease, and general cardiology with a focus on echocardiography, cardiac computed tomography, and nuclear cardiology.

He is board certified in Internal Medicine, Cardiovascular Diseases, and Echocardiography, and is a Fellow of the American College of Cardiology. 

Neerav Sheth, MD

Neerav Sheth, MD

Contact Me:
neerav@ihsmd.org

Neerav Sheth, MD is a cofounder of IHS. He attended medical school at Northeastern Ohio University College of Medicine and completed Internal Medicine Residency at Thomas Jefferson University Hospitals. He completed Cardiovascular Disease Fellowship at Penn State Hershey Medical Center and Interventional Cardiology Fellowship at Providence Hospital and Medical Center. He received a Masters in Business Administration from George Washington University. School of Business.

His clinical practice is focuses on interventional cardiology and multimodality cardiovascular imaging. He is Board certified in Internal Medicine, Cardiovascular Disease, Interventional Cardiology, Cardiovascular Computed Tomography, Nuclear Cardiology, Echocardiography, and Vascular Ultrasound interpretation. He is a Fellow of the American College of Cardiology and the Society for Cardiovascular Angiography and Interventions.

Gabriel Improvola, MD

Gabriel Improvola, MD


Gabriel Improvola, MD is a cofounder of IHS. He is a noninvasive cardiologist with an interest in multimodality imaging. He started his clinical career in Argentina were he went to medical school at National University of Cordoba and trained in Internal Medicine and Cardiology at the University of Buenos Aires.

He completed Internal Medicine residency in Chicago, Illinois where he was chosen chief medical resident. Thereafter, he completed cardiology fellowship at John Stroger hospital/Rush University Medical Center. During his training years, he received teaching and clinical skills awards every year and ultimately served as chief cardiology fellow.

He is currently practicing in Southern Indiana where he utilizes his skills in transthoracic, trans-esophageal echocardiography, SPECT and PET and launched a successful Cardiovascular Computed Tomography program. He has particular interest in Coronary Artery Disease and Valvular Heart Disease, leading a valvular disease clinic.

He is board certified in Internal Medicine, Cardiovascular Disease, Echocardiography, Nuclear Cardiology and Cardiovascular Computed Tomography. Dr Improvola is a Fellow of the American College of Cardiology.

Brendan O'Connor, MD

Brendan O'Connor, MD


Brendan O'Connor, MD is a cofounder of IHS. He is a board-certified diagnostic radiologist with an interest in cardiac CT and MR imaging. As a lieutenant commander in the United States Navy, Dr. O’Connor is an attending radiologist at Naval Medical Center Portsmouth (Portsmouth, Virginia), where he also completed residency and was chief resident.

In his tenure as a Navy physician, he served as a flight surgeon stationed in Jacksonville, Florida, and supported his squadron’s deployment to Okinawa, Japan. He holds numerous leadership positions, currently serving as lead interpreting physician of his division and as a member of the medical executive committee at his institution. As an active member of the American College of Radiology, he sits on the military subcommittee for general, small, emergency, and rural practice.

Dr. O’Connor attended medical school at Northeast Ohio Medical University. He holds a BA in political science from the University of Notre Dame.

Neil McKechnie

Neil McKechnie

Contact Me:
neil@ihsmd.org

Neil McKechnie is a cofounder and the Chief Technology Officer of IHS. Neil is a successful business leader, industry influencer and technology architect. At Intel, he progressed from an elite 2-year training program to senior management positions in sales, marketing and customer loyalty. He maintained technical depth and influenced C-level executives at Cisco, Motorola, Microsoft and other large clients and partners. He then co-founded CharityLogic, where he built iCarol which became the primary software system at hundreds of non-profit helplines around the world. When acquired in March 2018, iCarol attained over 75,000 users logging over 10 million call/chat/text interactions annually across four geographically-distributed data centers with annual uptime exceeding 99.995% and a database approaching 1 TB in size, supported by 20 employees he hired and managed.

Neil holds a Bachelor of Science in Engineering (Electrical) from the University of Michigan, Ann Arbor as well as a Masters of Business Administration from the University of California, Berkeley and is a citizen of both Canada and the United States. He actively maintains his technical depth on technologies for Software-as-a-Service endeavors. He lives with his wife and two sons in northern California.

Marc Burrell, MD

Marc Burrell, MD


Marc Burrell, MD is a cofounder of IHS. Dr. Burrell is a vascular and interventional radiologist with an interest in advanced cardiac imaging currently in private practice in Milwaukee, Wisconsin. He is Board Certified by the American Board of Radiology in Vascular & Interventional Radiology and Diagnostic Radiology.

Dr. Burell has been passionately involved in cardiac imaging innovation and development over the past 15 years. During his time at GE Healthcare, he authored several articles and was the primary inventor of two US patents related to cardiac CT acquisition.

He graduated with a BS in Bioengineering from Rice University and attended medical school at the Baylor College of Medicine in Houston, Texas where he was a member of the Rice/Baylor Medical Scholars Program. He completed residency in Diagnostic Radiology and fellowship in Vascular and Interventional Radiology at the University of Texas Southwestern Medical Center in Dallas. In addition to presenting at multiple national scientific conferences, he is a judge for the National Inventors Hall of Fame - Collegiate Inventors Competition, and a former top ten finalist of the Westinghouse Science Talent Search in Washington, DC.

Aalap Chokshi, MD

Aalap Chokshi, MD


Aalap Chokshi, MD is a cofounder of IHS. He is a noninvasive cardiologist with a focus on multimodality imaging at Englewood Health in Englewood, NJ where he is an associate with Englewood Cardiology Consultants. He has launched a successful program in cardiac CT and MRI at Englewood Health.

Dr. Chokshi graduated with Distinction in Research from the accelerated medical program at Rensselaer Polytechnic Institute and Albany Medical College. He completed a clinical research fellowship with the Advanced Heart Failure and Transplant team at Columbia University. He went on to complete Internal Medicine residency training at Brown University and Cardiovascular Disease fellowship training at Tufts Medical Center. He received advanced cardiac imaging training at Mount Sinai Hospital.

He is board certified in Internal Medicine, Cardiovascular Disease, Echocardiography, Nuclear Cardiology, Cardiovascular Computed Tomography and Vascular Ultrasound interpretation. Dr. Chokshi is a Fellow of the American College of Cardiology.

Vikram Brahmanandam, MD

Vikram Brahmanandam, MD


Vikram Brahmanandam, MD is a cofounder of IHS and our Director of Cardiac MRI Strategy. He is currently an Assistant Professor of Medicine at the Montefiore-Einstein Center for Heart and Vascular Care in New York City.  He is a noninvasive cardiologist with expertise in cardiac CT and MRI in addition to echocardiography, nuclear cardiology and general clinical cardiology.  He participates in the training of both cardiology and radiology fellows. He is board certified in Internal Medicine, Cardiovascular Medicine, Echocardiography and Nuclear Cardiology.

Vikram received a BA in Economics at Brown University and pursued his MD at the University of Pittsburgh School of Medicine.  He completed Internal Medicine residency training at Boston University Medical Center and Cardiology fellowship at the University of Illinois Medical Center.  He completed an additional year of advanced cardiovascular imaging training at Ohio State University Medical Center with a focus on cardiac stress MRI and congenital CT and MRI.  In his spare time Vikram enjoys playing blues guitar and riding his road bike around the city.

Amrita Karve, MD

Amrita Karve, MD

Contact Me:
amrita@ihsmd.org

Amrita Karve, MD is a cofounder of IHS.  She is currently an attending cardiologist at Mount Carmel Health in Columbus, Ohio, where she is a member of Columbus Cardiology Consultants. She has an interest in multimodality cardiac imaging most notably cardiac MRI, echocardiography, and nuclear cardiology. She is the co-director of the Women's Cardiovascular Clinic at Mount Carmel Health.

Dr. Karve received a B.S. and M.D. from George Washington University. She completed Internal Medicine residency at the University of Michigan, and completed Cardiovascular Disease fellowship at The Ohio State University with a focus in cardiac MRI.

She is board certified in Internal Medicine, Cardiovascular Diseases, Echocardiography, and is a Fellow of the American College of Cardiology.  In her spare time she enjoys painting.

Regina Kayse, MD

Regina Kayse, MD


Regina Kayse, MD is a cofounder of IHS.  She is a noninvasive cardiologist currently working in Cincinnati, Ohio.  She has a particular interest in CT and echocardiography imaging for the diagnosis and management of cardiovascular issues. 

Dr. Kayse received her BS and MD from Loyola University Chicago and completed her Internal Medicine residency at Loyola as well.  She was a chief resident in her final year.  She then completed Cardiology fellowship at the University of Cincinnati and served as a chief fellow during that time. 

She is board certified in Internal Medicine, Cardiovascular Medicine, and Nuclear Cardiology and will be sitting for her Echo and CT boards this year.

Douglas Powell, DO

Douglas Powell, DO


Douglas Powell, DO is a cofounder of IHS.  Dr. Powell is a double fellowship trained cardiac radiologist and interventional radiologist.  He is currently in a large private practice in Oklahoma City, OK. He is Board Certified by the American Osteopathic Board of Radiology in Interventional Radiology & Diagnostic Radiology with Certificates of Added Qualifications (CAQ) in Inventional Radiology. 

Dr. Powell has been passionately engaged in teaching residents and fellows the complementary advancements in cardiac imaging and interventions for over 20 years. During his career, as Associate Professor of Radiology at Oklahoma University Health Science Center, Oklahoma City, OK and Assistant Professor of Radiology at University of North Dakota, he has served as mentor and instructor of advanced cardiac imaging for medical students, residents and fellows in radiology.

Dr. Powell graduated with a BA from Albion College, Albion, MI and attended Michigan State University College of Osteopathic Medicine (MSU-COM) where he participated in the early utilization of MRI for cardiac imaging.  He completed residency in Diagnostic Radiology from Oklahoma State University College of Osteopathic Medicine (OSU-COM).  He completed a fellowship in Advanced Cardiac Imaging (emphasis on MRI/CT) from Cleveland Clinic Foundation, in Cleveland, OH. He completed a second complementary fellowship in Vascular Interventional Radiology from Case Western Reserve University, in Cleveland, OH. Dr. Powell has Certificate of Added Qualifications (CAQ) in Interventional Radiology.  He has served as an International Radiology Board examiner to advance cardiac imaging and interventions.  Dr. Powell with his wife and 4 sons live in Oklahoma City, OK.

Leslie Oberst, MD

Leslie Oberst, MD


Leslie Oberst, MD is a cofounder of IHS. She is a non-invasive cardiologist who specializes in preventive medicine and advanced cardiac imaging. She completed her residency in Internal Medicine at St. Luke’s Presbyterian hospital in Chicago, Illinois. She went on complete her cardiology fellowship at Baylor College of Medicine. Dr. Oberst completed her fellowship in cardiology, she was drawn to cardiovascular MRI after seeing cardiac MRI images. She inquired and was the first fellow to complete cardiac MRI fellowship training at Texas Heart in 2002. She joined a large group of fifty cardiologists where she was the director of a successful Medical Director of CT and MRI program. She was a founder of developing a very low-cost calcium score protocol for screening patients to allow patients to be able to afford this test in 2002.

She worked as a reviewer for a large insurance company in advanced imaging and helped direct guidelines and understanding for others in the group allow advanced studies to be approved and ordered for patient care.

She has continued to direct and teach technicians and fellow colleagues and strived for image quality and lower radiation doses. She has directed and started ground up imaging programs at each site she worked over the years. She loves to teach fellows and residents in cardiology. Due to her love of teaching, she was given prestigious Teacher of the Year award at the University of Florida in 2017. Currently, Dr. Oberst resides and works in Kentucky to be close to her family.

Dr. Oberst is Level 3 trained in cardiac CT and MRI. She is trained in TAVR imaging, stress MRI and calcium scoring. She is also trained in vascular imaging. She is board certified in Cardiovascular disease by ABIM.

Dr. Oberst loves to paint oil paintings. She won a Physician of the Arts award in medical school and sold her paintings to galleries in the past. She loves design and loves to cook.

Kent Hall, MD

Kent Hall, MD


Kent Hall, MD is a cofounder of IHS. He is a diagnostic radiologist who holds level II certification in interpretation of Coronary Artery CTA. Kent has a great interest in cardiac imaging because of the large number of patients affected by heart disease and the fantastic potential of this evolving field of imaging to help people live longer and more active lives.

After obtaining his undergraduate degree from the University of Dayton, Kent matriculated at the University of Cincinnati College of Medicine, earning his post nominal initials. After spending the majority of his early educational years in southern Ohio, the Navy gave Dr. Hall the opportunity to practice medicine all across the United States, and even in Okinawa, Japan. He completed radiology residency, and was chief resident, at Naval Medical Center Portsmouth.

Venturing outside of the radiology reading room, Kent has taken on the additional challenges of being the Director of Radiology at the Navy’s largest hospital outside of the United States and he is an Adjunct Assistant Professor of Radiology for the Uniformed Services University. Whether instructing medical students, residents, or radiology technologists, Dr. Hall brings the same level of commitment and enthusiasm to these leadership and educational tasks as he does with his patient care ventures.

Adrian Mora, MD

Adrian Mora, MD


Adrian J. Mora, MD is a cofounder of IHS and a board certified diagnostic radiologist with a focus in cardiac imaging, emergency teleradiology, and neuroradiology. Dr. Mora is also a Navy diagnostic radiologist stationed at Walter Reed National Military Medical Center in Bethesda, MD.

Adrian J. Mora, MD was born in Los Angeles, California and raised in Quito, Ecuador and subsequently in Lakeland, Florida. Dr. Mora graduated from the United States Naval Academy in 2007 with a Bachelor of Science in Chemistry, with Merit and was commissioned into the United States Navy Reserve. He attended Yale University School of Medicine and graduated in 2011. He entered active duty service and completed his Transitional Year Internship at Naval Medical Center Portsmouth in 2012 followed by completion of his Diagnostic Radiology Residency at Naval Medical Center Portsmouth in 2016. He served as a staff academic diagnostic radiologist at Naval Medical Center Portsmouth from 2016-2019. He has held several staff diagnostic radiology positions in the Virginia Hampton Roads Region.

Dr. Mora deployed aboard the USNS Comfort (T-AH 20) as a staff radiologist in support of the Enduring Promise 2018 mission which provided humanitarian medical aid to Central and South American partner nations. Dr. Mora lives in Falls Church, VA with his wife and two children. He enjoys family time, travel, and basketball.

George Ghuneim, DO

George Ghuneim, DO


George Ghuneim, DO is a co-founder of IHS. He attended medical school at Michigan State University College of Osteopathic Medicine. He completed his Internal Medicine Residency at Michigan State University- McLaren Oakland Hospital and completed Cardiovascular Disease Fellowship at Michigan State University - McLaren Macomb/Oakland program.

Dr. Ghuneim's clinical practice focuses on vascular disease, pulmonary hypertension and multi-modality cardiovascular imaging at Mercy Health St. Mary's Hospital in Grand Rapids, MI. He is Board certified in Internal Medicine and Nuclear Cardiology. He will be sitting for his Cardiovascular Medicine, RPVI, and CT boards this year.

Alex Bustamante, MD

Alex Bustamante, MD


Alex Bustamante, MD is a cofounder of IHS. He is a board-certified cardiologist who holds a particular interest in multimodality cardiac imaging to include echocardiography, nuclear cardiology and cardiac CT. Dr Bustamante has served in the United States Navy for over 20 years and holds the rank of Captain.

He has helped to establish the cardiac CT programs at both Walter Reed National Military Medical Center and at Fort Belvoir Community Hospital. He has been actively involved in teaching medical students, residents and fellows for over 10 years in clinical cardiology and imaging across the national capital region.

Dr Bustamante has held multiple leadership positions in the Navy and will retire to join a private practice to help establish their cardiac CT practice. In his spare time, he enjoys playing guitar and spending time with his 4 children.

Joseph Marquardt, DO

Joseph Marquardt, DO


Joseph Marquardt, DO is cofounder of IHS. He is a diagnostic radiologist with a passion for cardiac imaging. He obtained his level II certification in cardiac CT while completing his residency training at Naval Medical Center Portsmouth, the first physician in his training program to obtain this certification while still in residency.

Prior to completing his diagnostic radiology residency, Dr. Marquardt attended undergraduate and medical school in Arizona and completed a transitional year internship at Naval Medical Center San Diego. He was given the opportunity to train as a flight surgeon in Pensacola, Florida and then worked as a naval flight surgeon in Yuma, Arizona for 2 years, where he deployed with the 31st Marine Expeditionary Unit, before moving to Portsmouth, Virginia for residency training.

Dr. Marquardt is currently a staff radiologist at US Naval Hospital Okinawa and functions as the CT/MRI division head in addition to the MR medical director for his institution. He lives with his wife and 2 children and enjoys sports, exercise, travel, and movies.

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