Chowdhury H. Ahsan

A native of Bangladesh, Dr. Ahsan received his medical degree from Dhaka Medical College and was awarded the Gold Medal in Medicine. He received the prestigious Commonwealth Scholarship and completed a Ph.D. in Clinical Pharmacology/General Medicine at the University of Southampton in the United Kingdom for his research on the ethnic variation of the pharmacokinetics and pharmacodynamics of calcium channel blockers. Dr. Ahsan completed postgraduate training in Internal Medicine and Cardiovascular Disease at the University of Pennsylvania and Drexel University College of Medicine in Philadelphia, and did his Interventional Cardiology Fellowship at the Mount Sinai Medical Center in New York. He is Board Certified in Internal Medicine, Cardiovascular Medicine, Nuclear Cardiology, and Interventional Cardiology. He was awarded the Young Investigators’ Award by the American Society of Nuclear Cardiology in 2001, and American Society of Echocardiography in 2004. He was Associate Professor and the Director of Cardiac Catheterization Laboratory at the University of California, Irvine Medical Center before joining Nevada Heart & Vascular Center.

Dr. Ahsan is currently appointed as Clinical Professor of Medicine by the University of Nevada Las Vegas School of Medicine and is the Director of Cardiac Catheterization Laboratories and Cardiovascular Research at the University Medical Center (UMC). Dr. Ahsan takes special interest in building Cardiovascular Interventional clinics and research programs in developing countries, and has led teams of U.S. physicians, technologists and nurses to exchange work experiences there.

Dr Ahsan is the founding Program Director of cardiology fellowship program and under his leadership, the Cardiology Fellowship Program at UNLV School of Medicine University has established itself in collaboration with UMC, NHVC and VA Medical Center. This is the only Cardiology Fellowship program in the state of Nevada and in this past July graduated its first class of cardiologists. Under his leadership of running the Cardiovascular services at University Medical Center, Nevada Heart and Vascular Physicians have championed the Cardiovascular Care teams at UMC and UMC been awarded.

numerous service awards by American Heart Association for core measures and outcome in Cardiovascular Care. Dr. Ahsan and his wife, Selina, a Neurologist at Las Vegas VA Medical Center, have two sons.

Jose Aquino

Dr. Aquino is a graduate of the University of Santo Tomas which is the oldest medical school in the Philippines and as such, speaks fluent Tagalog. He completed his residency in Internal Medicine as well as his Fellowship in General and Interventional Cardiology at the University of Pittsburgh Medical Center- Shadyside in Pittsburgh, PA. He has been practicing in Las Vegas since the year 2000. He devotes his spare time to his lovely wife and two daughters. Beyond that, he loves beaches, movies and good food.

Robert Berkley

Dr. Berkley performed his internship, residency and Fellowship at the University of California, Irvine. His Electrophysiology Fellowship was performed at Long Beach Memorial Hospital in Long Beach, California. Dr. Berkley’s hobbies include wind surfing and snow skiing. He also speaks Spanish fluently.

Claudio Bonometti

Claudio Bonometti was born in Nairobi, Kenya, East Africa when his father had moved there to work as a Civil Engineer. He was then sent back to Northern Italy (Brescia) to live with his mother when he was 4 so he could receive a European education. He continued his schooling there until High School. In order to learn English well and to be prepared for a US education, he was enrolled in TASIS (The American School In Switzerland ), an American boarding high school in Lugano, Switzerland. This gave him the opportunity to be exposed to multiple cultural backgrounds and ethnicities from all over the world and to help him be accepting of multiple religions, cultures, and point of views.

He then attended the University of California San Diego (UCSD) where he was a double Major in Bioengineering and Molecular Biology. During that time he participated in HIV research at the Salk Institute of Medicine as well as at UCSD. This experience directed him toward medicine and he proceeded on to Medical School at New York Medical College, in Valhalla, N.Y.

There he continued to participate in clinical science and in the summers performed research at Cedars Sinai Medical Center and authored one of the seminal papers on Ventricular Fibrillation as well as co-authoring other papers in the field. He proceeded to his Residency in Internal Medicine at Baylor University Medical Center, in Dallas, Texas. He then continued on to His Fellowship in Cardiovascular Diseases ( Cardiology ) and Electrophysiology at Cedars Sinai Medical Center, in Los Angeles. CA.

He worked briefly in private practice in Fort Lauderdale, Florida, before discovering the beautiful Central Coast and moving to Santa Barbara in 2005. He worked with Sansum Clinic until going solo in March of 2013.

He is Board Certified in Cardiovascular Diseases and Clinical Cardiac Electrophysiology. He is a FACC ( Fellow of the American College of Cardiology ) and FHRS ( Fellow of the Heart Rhythm Society ). He speaks 5 languages and is fluent in Spanish, English, and Italian.

John Bowers

Dr. Bowers is a native of Las Vegas, Nevada. He received his Bachelor’s Degree from the University of Southern California. He then attended medical school at the University of Nevada, Reno. His Internal Medicine Residency was performed at Cedars-Sinai Medical Center. Dr. Bowers’ Cardiology Fellowship was done at UCLA. He then went to the Texas Heart Institute in Houston, and finished an Interventional Cardiology Fellowship. Among other appointments, he has served as the Chief of Internal Medicine at St. Rose Hospital. His major practice is General Cardiology, with emphasis on Coronary Intervention, such as angioplasty, and stenting. He is also a Peripheral Vascular Specialist, performing abdominal aorta, renal and lower extremity angiography and angioplasty. Dr. Bowers spends most of his free time with his wife and two children, skiing and traveling. He is also an avid golfer.

Jimmy Diep

Dr. Jimmy Diep was born in Honolulu, Hawaii and has been a Las Vegas native since 1986. He obtained his Bachelor’s of Science degree in Biochemistry, from the University of Nevada, Reno and continued on to obtain his medical doctorate at the University of Nevada School of Medicine. After completing medical school, Dr. Diep completed his Internal Medicine residency at the University of Nevada School of Medicine, Las Vegas. Following his residency Dr. Diep completed his General and Interventional Cardiology Fellowship at the University of California Irvine, Orange, CA where he also served as the Chief Cardiology Fellow.

Dr. Diep is currently the Associate Program Director at the General Cardiology Fellowship at the University of Nevada, Las Vegas Program. He is also a proud diplomat of the American Board of Internal Medicine boarded in Internal Medicine, Cardiovascular Diseases, and Interventional Cardiology. He specializes in cardiac interventions and his primary approach to cardiac angiography and intervention is via the radial artery.

He has interests in complex coronary interventions and structural heart procedures (including alcohol septal ablations for hypertrophic obstructive cardiomyopathies and aortic valvuloplasty procedures). Dr. Diep and his family enjoy traveling, snorkeling, and hiking. His personal interests include tennis, basketball, and racquetball. He is fluent in Vietnamese and proficient in Spanish.


Genica obtained her Bachelor of Science in Nursing degree at the University of Nevada, Las Vegas in 2013 and has been a nurse for over 5 years with an extensive background in critical care. Her passion for learning and rendering quality patient care motivated her to complete her master’s degree in nursing graduating in the fall of 2018 at her alma mater. She is a Board-Certified Family Nurse Practitioner by the ANCC with hands-on clinical experience in inter- nal medicine, pediatrics, and women’s health. Genica believes in forging relationships with her patients to understand their health needs and goals. She works in collaboration with each patient to develop an individualized plan in order to achieve their best possible state of health. Genica enjoys traveling and spending quality time with her family especially her two young children.

Arjun Gururaj

Dr. Gururaj was raised in New York and Texas, attended Cornell University for his undergraduate studies, and attended the University of Texas for medical school.  He relocated for his postgraduate education in medicine to Boston, at which time he completed his training in Internal Medicine, Cardiology and Cardiac Electrophysiology at Boston University School of Medicine.  Initially remaining on faculty at Boston University, he became Co-director for Cardiac Science Education for the School of Medicine while teaching Fellows the latest techniques in arrhythmia management.  Dr. Gururaj’s interests include General Electrophysiology which includes those patients with cardiac rhythm disturbances.  He is adept at complex ablation therapy and has special interest in heart failure and implantable defibrillator therapy for this disorder.  He is one of a few physicians in the United States that hosts a national teaching course to help other Cardiologists learn the surgical techniques of heart failure device implantation.  He also performs the latest procedures for the therapy of atrial fibrillation, a disorder that can be debilitating for many.  Dr. Gururaj is Board Certified in the disciplines of Internal Medicine, Cardiology and Cardiac Electrophysiology.

Dalia F. Hawwass

Dr. Hawwass is board certified in both internal medicine and cardiology. She received her Bachelor’s Degree from University of Nevada Las Vegas, following which she attended University of Nevada School of Medicine where she was recognized as the Outstanding Student in Internal Medicine. Dr. Hawwass completed her internship in Internal Medicine at University of California, Irvine. She also completed her residency there, where she was named Best Teaching Resident. She was the Chief Cardiology Fellow at University of Nevada Las Vegas where she earned an award for Best Teaching Fellow of the Year. Dr. Hawwass completed her Interventional Cardiology Fellowship at Lenox Hill in New York City and returned to her hometown, Las Vegas, Nevada to care for patients. Dr. Hawwass is a member of a number of organizations.

Sunil Kalla

Dr. Kalla received his medical degree from Dr. S.N. Medical College, India. Subsequently, he was accepted as a post-doctoral cardiology research fellow at Brigham and Women’s Hospital, Harvard Medical School, Boston, where he worked on basic and molecular cardiology research. Dr. Kalla went on to complete his internal medicine training at Brown University affiliated hospitals in Rhode Island, followed by a cardiology fellowship at SUNY Upstate University, Syracuse and interventional cardiology fellowship training at University of Calgary. Dr. Kalla served as faculty member at both SUNY Upstate University and University of Nevada School of Medicine. Dr. Kalla holds Board Certifications in Interventional Cardiology, and Cardiovascular Diseases. He is a fellow of the American College of Cardiology. In addition to Cardiology & Interventional Cardiology he has a busy vein practice and is one of the few doctors in Nevada performing Illiac-Caval Stenting. Dr Kalla enjoys reading, golfing, traveling & spending time with his wife and twin boys.

Shahabuddin Khan

Dr. Khan was born in Zambia.  He grew up in India and Zimbabwe, and graduated from the University of Zimbabwe School of Medicine in 1995. Dr. Khan was recognized as the “Top Medical Graduate” while also breaking several academic records. After working for a year in Zimbabwe serving underprivileged patients, he moved to the United States to complete his medical residency at Saint Luke’s Medical Center/St. Vincent Charity Hospital in Cleveland, Ohio.  This was followed by a three year Fellowship in Cardiovascular Medicine and a one year Fellowship in Cardiac and Peripheral Vascular Interventions at St. John Medical Center in Detroit, Michigan.  Dr. Khan served as Chief Resident and Chief Fellow during his training.  He is Board Certified in Internal Medicine, Cardiovascular Medicine, Interventional Cardiology, Cardiovascular Computed Tomography and Nuclear Cardiology.  He specializes in both Cardiac and Peripheral Vascular Interventions, including carotid artery stenting and was the first cardiologist to perform carotid stents in Las Vegas. Dr. Khan is the highest volume operator for carotid stents in Southern Nevada and Northern Arizona. He has also served as the Medical Director of the Cardiac Catherization Lab and Chest Pain Center at Centennial Hills Hospital.  Dr. Khan and his wife, Sharlin, have three beautiful children.  His wife has a Ph.D. in genetics and molecular biology.  They both enjoy foreign culture and history, traveling widely, hiking and SCUBA diving.

John Lee

Dr. Lee’s hometown is Calabasas, California. He graduated Magna Cum Laude from UCLA, then received his MD degree from Washington University School of Medicine in St Louis. He received his cardiology training at Cedars-Sinai Medical Center where he engaged in basic arrhythmia research and served as Chief Fellow.  Dr. Lee is married and has four children.

Rosemarie Lizardo

Rosemarie Lizardo

Rosemarie Lizardo grew up in Southern California and has resided in Las Vegas, Nevada since 2003. She earned a Bachelor’s degree from Nevada State College and a Master’s degree in Nursing from Touro University, Nevada. She is a Board Certified Family Nurse Practitioner by the AANP. Throughout her nursing career, she acquired the essential foundation for becoming a successful healthcare professional where she garnered holistic experience in Psychiatric, Medical-Surgical, Immediate Care and Critical Care. After graduate school, Rosemarie began practicing medicine as a Nurse Practitioner in Pain Management which enabled her to develop and expand her skill sets in diagnosing and medically treating patients. Rosemarie is very passionate about building relationships and providing holistic and high-quality care in order to achieve a sense of trust among her patients. Rosemarie enjoys spending quality time with her family, traveling, snowboarding, riding motorcycles and hiking.

Sanjay Malhotra

Dr. Malhotra graduated from the All India Institute of Medical Sciences in 1990.  He completed his residency in Internal Medicine and Cardiology Fellowship at St. Luke Roosevelt Hospital Center in New York City.  He then did a year specializing in Interventional Cardiology at Scripps Clinic in La Jolla, California.  He enjoys traveling with Ritu, his wife.  He loves to bicycle the trails of Red Rock and play squash.

Arturo Marchand

Dr. Marchand earned his medical doctorate from the University of Southern California – School of Medicine in 1990. He went on to complete his Cardiology Fellowship program at the University of California, San Diego in 1996 and his Fellowship in Interventional Cardiology in Phoenix, Arizona at the Arizona Heart Institute and Foundation in 1997. Dr. Marchand’s passion for medicine is exemplified by his consistent desire to provide the best possible care for his patients to improve their quality of life. He serves as a specialist in both interventional cardiology and vascular care, with a consistent focus on providing new, less-invasive treatment options to meet all his patients’ cardiovascular care needs. In 2012, Dr. Arturo Marchand established the Latino American Medical Professionals (LAMP) of Nevada non-profit organization to serve as a central hub for the local Latino healthcare community. He speaks fluent Spanish and is dedicated to expanding and connecting Latinos in the healthcare community and jumpstarting initiatives to give back to the community. Because of his dedication, professionalism and compassion throughout his over 20 years of cardiovascular experience, Dr. Marchand has established himself as an area leader in Las Vegas interventional cardiology and vein treatment.

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