Michele Sartori, MD
Cardiologist
6624 Fannin St Ste 2750
Houston, TX 77030
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Availability last updated 09/15/2025
Michele Sartori, MD
Cardiologist
6624 Fannin St Ste 2750
Houston, TX 77030
Amir Kashani, MD, MS, FACC, is a well-trained cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Sealy, Texas.
Dr. Kashani grew up in Houston, Texas, and attended Second Baptist Middle School and High School. He completed his Internal Medicine training at Rochester General Hospital through the University of Rochester School of Medicine in New York, where he also served as Chief Resident and Clinical Instructor. He attended Yale University School of Medicine in New Haven, Connecticut, for his cardiovascular and electrophysiology training. Dr. Kashani also trained in Interventional Cardiology at Baylor College of Medicine in Waco, Texas.
Throughout his career, Dr. Kashani has been heavily involved in clinical cardiovascular research. Amidst his over 30 publications, he has numerous collaborations with the TIMI Group, Harvard School of Medicine, and Yale School of Medicine, Section of Epidemiology and Public Health. He is an invited author of several books, and he has been invited to present his research both nationally and internationally. Dr. Kashani currently continues his academic interests as a Baylor College of Medicine teaching faculty.
Dr. Kashani remains active by enjoying a variety of sports. Also, he and his wife have a special interest in community service. Dr. Kashani is the President, Founder, and member of several charity organizations in Houston. One major focus of the charity organization that Dr. Kashani has established is providing health care to underprivileged children in Houston.
Amir Kashani, MD, MS
Cardiologist
10496 Katy Fwy
#130
Houston, TX 77043
George Mammen, MD, FACC, is a talented cardiologist at Memorial Katy Cardiology Associates in Houston and Katy, Texas.
Dr. Mammen grew up in Kerala, India, and earned his medical degree at Trivandrum Medical College in Thiruvananthapuram, India. Moving to the United States to continue his education, Dr. Mammen completed a residency in internal medicine at South Baltimore General Hospital in Maryland and a cardiology fellowship at St. Luke’s Episcopal Hospital, Texas Heart Institute in Houston.
Dr. Mammen is board-certified in internal medicine and cardiology. His clinical interests include interventional cardiology and cardiovascular disease, with a particular focus on invasive procedures such as angioplasty, stent implantation, and pacemakers. He is trained in all aspects of adult cardiology, with an emphasis on coronary artery disease and heart failure. He joined Memorial Katy Cardiology Associates in 1982.
Dr. Mammen is active in hospital and physician affairs and has served as Chief of Cardiology at Memorial Hermann Memorial City Hospital and Medical Director of the ICU at Memorial Hermann Katy Hospital. When not at the office, Dr. Mammen’s personal interests include tennis and skiing. He likes to spend his spare time with his wife and three children.
George Mammen, MD
Cardiologist
10496 Katy Fwy
#130
Houston, TX 77043
John Sunew, MD, FACC, FSCAI, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, Cypress and Fulshear, Texas.
Dr. Sunew is triple-board-certified in Interventional Cardiology, Cardiovascular Disease, and Nuclear Cardiology. He is listed among Top Doctors 2015 in H Texas Magazine and Houstonia Magazine. He was born in Connecticut and grew up in New York state.
Dr. Sunew attended Amherst College in Amherst, Massachusetts, and went on to earn his medical degree at the State University of New York Health Science Center in Brooklyn, New York. He then completed his internal medicine residency and cardiology fellowship at The George Washington University Medical Center in Washington, DC. He fulfilled his interventional cardiology fellowship at Northwestern University in Chicago, Illinois.
Before moving to Katy, Texas, Dr. Sunew practiced interventional cardiology for ten years in northern Virginia. He held many leadership roles with the Inova Health System, including Medical Director of the Cardiac Catheterization Laboratory at Inova Alexandria Hospital and Chairman of the Inova Cardiology Quality Steering Committee. He was also Regional Leader for Northern Virginia in the Virginia Heart Attack Coalition. In addition, Dr. Sunew served as Assistant Professor for the Department of Internal Medicine, Virginia Commonwealth University School of Medicine Inova Campus. He was also involved in several clinical research trials and academic publications.
Dr. Sunew can offer the latest and most innovative treatments in cardiology, interventional cardiology, and peripheral vascular disease. He provides expertise in complex coronary angioplasty procedures, peripheral arterial angioplasty, and transradial cardiac catheterization. His non-invasive skills include transesophageal echocardiography and nuclear cardiology.
John Sunew, MD
Cardiologist
10496 Katy Fwy
#130
Houston, TX 77043
John Sunew, MD, FACC, FSCAI, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, Cypress and Fulshear, Texas.
Dr. Sunew is triple-board-certified in Interventional Cardiology, Cardiovascular Disease, and Nuclear Cardiology. He is listed among Top Doctors 2015 in H Texas Magazine and Houstonia Magazine. He was born in Connecticut and grew up in New York state.
Dr. Sunew attended Amherst College in Amherst, Massachusetts, and went on to earn his medical degree at the State University of New York Health Science Center in Brooklyn, New York. He then completed his internal medicine residency and cardiology fellowship at The George Washington University Medical Center in Washington, DC. He fulfilled his interventional cardiology fellowship at Northwestern University in Chicago, Illinois.
Before moving to Katy, Texas, Dr. Sunew practiced interventional cardiology for ten years in northern Virginia. He held many leadership roles with the Inova Health System, including Medical Director of the Cardiac Catheterization Laboratory at Inova Alexandria Hospital and Chairman of the Inova Cardiology Quality Steering Committee. He was also Regional Leader for Northern Virginia in the Virginia Heart Attack Coalition. In addition, Dr. Sunew served as Assistant Professor for the Department of Internal Medicine, Virginia Commonwealth University School of Medicine Inova Campus. He was also involved in several clinical research trials and academic publications.
Dr. Sunew can offer the latest and most innovative treatments in cardiology, interventional cardiology, and peripheral vascular disease. He provides expertise in complex coronary angioplasty procedures, peripheral arterial angioplasty, and transradial cardiac catheterization. His non-invasive skills include transesophageal echocardiography and nuclear cardiology.
John Sunew, MD
Cardiologist
18400 Katy Fwy
#600
Houston, TX 77094
Tariq Dayah, MD, MPH, FACC is a renowned cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Cypress, Texas.
Dr. Dayah is board-certified in internal medicine, cardiovascular disease, interventional cardiovascular disease, nuclear medicine, and echocardiography. He offers expertise in preventative medicine (blood pressure, heart rate, and cholesterol control), transradial and transfemoral coronary artery interventions, interventional cardio-oncology, peripheral artery interventions, repair of congenital heart defects, such as percutaneous atrial septal defects, and the latest technology involving structural heart interventions.
Dr. Dayah is skilled in numerous noninvasive cardiac imaging modalities such as PET scans, nuclear medicine, and ultrasound imaging. He has been in practice since 2012. He is interested in the latest advancements in coronary artery disease therapies, transcatheter aortic valve replacement, and cardio-oncology. Dr. Dayah currently serves as the Director of Structural Heart at Houston Methodist West Hospital.
A fellow of the American College of Surgeons, Dr. Dayah conducts research into transcatheter aortic valves and energy drink-induced endothelial vascular dysfunction. He has published several journal articles on these research topics.
Tariq Dayah, MD, MPH
Cardiologist
18400 Katy Fwy
#600
Houston, TX 77094
George Mammen, MD, FACC, is a talented cardiologist at Memorial Katy Cardiology Associates in Houston and Katy, Texas.
Dr. Mammen grew up in Kerala, India, and earned his medical degree at Trivandrum Medical College in Thiruvananthapuram, India. Moving to the United States to continue his education, Dr. Mammen completed a residency in internal medicine at South Baltimore General Hospital in Maryland and a cardiology fellowship at St. Luke’s Episcopal Hospital, Texas Heart Institute in Houston.
Dr. Mammen is board-certified in internal medicine and cardiology. His clinical interests include interventional cardiology and cardiovascular disease, with a particular focus on invasive procedures such as angioplasty, stent implantation, and pacemakers. He is trained in all aspects of adult cardiology, with an emphasis on coronary artery disease and heart failure. He joined Memorial Katy Cardiology Associates in 1982.
Dr. Mammen is active in hospital and physician affairs and has served as Chief of Cardiology at Memorial Hermann Memorial City Hospital and Medical Director of the ICU at Memorial Hermann Katy Hospital. When not at the office, Dr. Mammen’s personal interests include tennis and skiing. He likes to spend his spare time with his wife and three children.
George Mammen, MD
Cardiologist
18400 Katy Fwy
#600
Houston, TX 77094
Amir Kashani, MD, MS, FACC, is a well-trained cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Sealy, Texas.
Dr. Kashani grew up in Houston, Texas, and attended Second Baptist Middle School and High School. He completed his Internal Medicine training at Rochester General Hospital through the University of Rochester School of Medicine in New York, where he also served as Chief Resident and Clinical Instructor. He attended Yale University School of Medicine in New Haven, Connecticut, for his cardiovascular and electrophysiology training. Dr. Kashani also trained in Interventional Cardiology at Baylor College of Medicine in Waco, Texas.
Throughout his career, Dr. Kashani has been heavily involved in clinical cardiovascular research. Amidst his over 30 publications, he has numerous collaborations with the TIMI Group, Harvard School of Medicine, and Yale School of Medicine, Section of Epidemiology and Public Health. He is an invited author of several books, and he has been invited to present his research both nationally and internationally. Dr. Kashani currently continues his academic interests as a Baylor College of Medicine teaching faculty.
Dr. Kashani remains active by enjoying a variety of sports. Also, he and his wife have a special interest in community service. Dr. Kashani is the President, Founder, and member of several charity organizations in Houston. One major focus of the charity organization that Dr. Kashani has established is providing health care to underprivileged children in Houston.
Amir Kashani, MD, MS
Cardiologist
18400 Katy Fwy
#600
Houston, TX 77094
Tariq Dayah, MD, MPH, FACC is a renowned cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Cypress, Texas.
Dr. Dayah is board-certified in internal medicine, cardiovascular disease, interventional cardiovascular disease, nuclear medicine, and echocardiography. He offers expertise in preventative medicine (blood pressure, heart rate, and cholesterol control), transradial and transfemoral coronary artery interventions, interventional cardio-oncology, peripheral artery interventions, repair of congenital heart defects, such as percutaneous atrial septal defects, and the latest technology involving structural heart interventions.
Dr. Dayah is skilled in numerous noninvasive cardiac imaging modalities such as PET scans, nuclear medicine, and ultrasound imaging. He has been in practice since 2012. He is interested in the latest advancements in coronary artery disease therapies, transcatheter aortic valve replacement, and cardio-oncology. Dr. Dayah currently serves as the Director of Structural Heart at Houston Methodist West Hospital.
A fellow of the American College of Surgeons, Dr. Dayah conducts research into transcatheter aortic valves and energy drink-induced endothelial vascular dysfunction. He has published several journal articles on these research topics.
Tariq Dayah, MD, MPH
Cardiologist
1331 W. Grand Pkwy N.
#130
Katy, TX 77493
George Mammen, MD, FACC, is a talented cardiologist at Memorial Katy Cardiology Associates in Houston and Katy, Texas.
Dr. Mammen grew up in Kerala, India, and earned his medical degree at Trivandrum Medical College in Thiruvananthapuram, India. Moving to the United States to continue his education, Dr. Mammen completed a residency in internal medicine at South Baltimore General Hospital in Maryland and a cardiology fellowship at St. Luke’s Episcopal Hospital, Texas Heart Institute in Houston.
Dr. Mammen is board-certified in internal medicine and cardiology. His clinical interests include interventional cardiology and cardiovascular disease, with a particular focus on invasive procedures such as angioplasty, stent implantation, and pacemakers. He is trained in all aspects of adult cardiology, with an emphasis on coronary artery disease and heart failure. He joined Memorial Katy Cardiology Associates in 1982.
Dr. Mammen is active in hospital and physician affairs and has served as Chief of Cardiology at Memorial Hermann Memorial City Hospital and Medical Director of the ICU at Memorial Hermann Katy Hospital. When not at the office, Dr. Mammen’s personal interests include tennis and skiing. He likes to spend his spare time with his wife and three children.
George Mammen, MD
Cardiologist
1331 W. Grand Pkwy N.
#130
Katy, TX 77493
Amir Kashani, MD, MS, FACC, is a well-trained cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Sealy, Texas.
Dr. Kashani grew up in Houston, Texas, and attended Second Baptist Middle School and High School. He completed his Internal Medicine training at Rochester General Hospital through the University of Rochester School of Medicine in New York, where he also served as Chief Resident and Clinical Instructor. He attended Yale University School of Medicine in New Haven, Connecticut, for his cardiovascular and electrophysiology training. Dr. Kashani also trained in Interventional Cardiology at Baylor College of Medicine in Waco, Texas.
Throughout his career, Dr. Kashani has been heavily involved in clinical cardiovascular research. Amidst his over 30 publications, he has numerous collaborations with the TIMI Group, Harvard School of Medicine, and Yale School of Medicine, Section of Epidemiology and Public Health. He is an invited author of several books, and he has been invited to present his research both nationally and internationally. Dr. Kashani currently continues his academic interests as a Baylor College of Medicine teaching faculty.
Dr. Kashani remains active by enjoying a variety of sports. Also, he and his wife have a special interest in community service. Dr. Kashani is the President, Founder, and member of several charity organizations in Houston. One major focus of the charity organization that Dr. Kashani has established is providing health care to underprivileged children in Houston.
Amir Kashani, MD, MS
Cardiologist
1331 W. Grand Pkwy N.
#130
Katy, TX 77493
John Sunew, MD, FACC, FSCAI, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, Cypress and Fulshear, Texas.
Dr. Sunew is triple-board-certified in Interventional Cardiology, Cardiovascular Disease, and Nuclear Cardiology. He is listed among Top Doctors 2015 in H Texas Magazine and Houstonia Magazine. He was born in Connecticut and grew up in New York state.
Dr. Sunew attended Amherst College in Amherst, Massachusetts, and went on to earn his medical degree at the State University of New York Health Science Center in Brooklyn, New York. He then completed his internal medicine residency and cardiology fellowship at The George Washington University Medical Center in Washington, DC. He fulfilled his interventional cardiology fellowship at Northwestern University in Chicago, Illinois.
Before moving to Katy, Texas, Dr. Sunew practiced interventional cardiology for ten years in northern Virginia. He held many leadership roles with the Inova Health System, including Medical Director of the Cardiac Catheterization Laboratory at Inova Alexandria Hospital and Chairman of the Inova Cardiology Quality Steering Committee. He was also Regional Leader for Northern Virginia in the Virginia Heart Attack Coalition. In addition, Dr. Sunew served as Assistant Professor for the Department of Internal Medicine, Virginia Commonwealth University School of Medicine Inova Campus. He was also involved in several clinical research trials and academic publications.
Dr. Sunew can offer the latest and most innovative treatments in cardiology, interventional cardiology, and peripheral vascular disease. He provides expertise in complex coronary angioplasty procedures, peripheral arterial angioplasty, and transradial cardiac catheterization. His non-invasive skills include transesophageal echocardiography and nuclear cardiology.
John Sunew, MD
Cardiologist
1331 W. Grand Pkwy N.
#130
Katy, TX 77493
Yasir Akram, MD, MPH, FACC, FSCAI, is an accomplished interventional and general cardiologist at Apex Heart & Vascular Center, serving patients in Houston, Tomball, and Cypress, Texas. Known for his clinical expertise and extensive research background, Dr. Akram provides comprehensive care for a range of heart, peripheral arterial, and venous conditions.
Dr. Akram’s training spans Internal Medicine, Preventive Medicine, cardiovascular disease, and interventional cardiology. He is highly skilled in advanced diagnostic and therapeutic procedures, including balloon angioplasty and complex percutaneous coronary and peripheral vascular interventions. His specialties also include advanced cardiac support techniques, such as the Impella heart pump and intra-aortic balloon pump.
In addition, Dr. Akram performs structural heart procedures, such as PFO and ASD closures, and is proficient in implanting loop recorders and pacemakers. He is a recognized expert in venous thromboembolism management, endovascular venous ablation, and vent seal techniques. His capabilities extend to performing transthoracic and transesophageal echocardiography, as well as stress SPECT and PET imaging.
Dr. Akram holds fellowship status with the American College of Cardiology (ACC) and is board-certified in Echocardiography, Nuclear Cardiology, and Vascular Ultrasound (RPVI). His Preventive Medicine board certification underscores his commitment to reducing cardiac risk factors through preventive care. A published author in leading medical journals, Dr. Akram continues to contribute to advancements in cardiovascular science.
At Apex Heart & Vascular Center, Dr. Akram is dedicated to delivering exceptional, evidence-based cardiovascular care. His advanced training, board certifications, and dedication to preventative cardiology enable him to provide high-quality care and innovative treatment options to his patients.
Yasir Akram, MD
Internist
17070 Red oak Drive
Suite 400
Houston , TX 77090
John Sunew, MD, FACC, FSCAI, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, Cypress and Fulshear, Texas.
Dr. Sunew is triple-board-certified in Interventional Cardiology, Cardiovascular Disease, and Nuclear Cardiology. He is listed among Top Doctors 2015 in H Texas Magazine and Houstonia Magazine. He was born in Connecticut and grew up in New York state.
Dr. Sunew attended Amherst College in Amherst, Massachusetts, and went on to earn his medical degree at the State University of New York Health Science Center in Brooklyn, New York. He then completed his internal medicine residency and cardiology fellowship at The George Washington University Medical Center in Washington, DC. He fulfilled his interventional cardiology fellowship at Northwestern University in Chicago, Illinois.
Before moving to Katy, Texas, Dr. Sunew practiced interventional cardiology for ten years in northern Virginia. He held many leadership roles with the Inova Health System, including Medical Director of the Cardiac Catheterization Laboratory at Inova Alexandria Hospital and Chairman of the Inova Cardiology Quality Steering Committee. He was also Regional Leader for Northern Virginia in the Virginia Heart Attack Coalition. In addition, Dr. Sunew served as Assistant Professor for the Department of Internal Medicine, Virginia Commonwealth University School of Medicine Inova Campus. He was also involved in several clinical research trials and academic publications.
Dr. Sunew can offer the latest and most innovative treatments in cardiology, interventional cardiology, and peripheral vascular disease. He provides expertise in complex coronary angioplasty procedures, peripheral arterial angioplasty, and transradial cardiac catheterization. His non-invasive skills include transesophageal echocardiography and nuclear cardiology.
John Sunew, MD
Cardiologist
7609 Tiki Drive
Ste D
Fulshear, TX 77441
John Sunew, MD, FACC, FSCAI, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, Cypress and Fulshear, Texas.
Dr. Sunew is triple-board-certified in Interventional Cardiology, Cardiovascular Disease, and Nuclear Cardiology. He is listed among Top Doctors 2015 in H Texas Magazine and Houstonia Magazine. He was born in Connecticut and grew up in New York state.
Dr. Sunew attended Amherst College in Amherst, Massachusetts, and went on to earn his medical degree at the State University of New York Health Science Center in Brooklyn, New York. He then completed his internal medicine residency and cardiology fellowship at The George Washington University Medical Center in Washington, DC. He fulfilled his interventional cardiology fellowship at Northwestern University in Chicago, Illinois.
Before moving to Katy, Texas, Dr. Sunew practiced interventional cardiology for ten years in northern Virginia. He held many leadership roles with the Inova Health System, including Medical Director of the Cardiac Catheterization Laboratory at Inova Alexandria Hospital and Chairman of the Inova Cardiology Quality Steering Committee. He was also Regional Leader for Northern Virginia in the Virginia Heart Attack Coalition. In addition, Dr. Sunew served as Assistant Professor for the Department of Internal Medicine, Virginia Commonwealth University School of Medicine Inova Campus. He was also involved in several clinical research trials and academic publications.
Dr. Sunew can offer the latest and most innovative treatments in cardiology, interventional cardiology, and peripheral vascular disease. He provides expertise in complex coronary angioplasty procedures, peripheral arterial angioplasty, and transradial cardiac catheterization. His non-invasive skills include transesophageal echocardiography and nuclear cardiology.
John Sunew, MD
Cardiologist
25282 Northwest Fwy
#250
Cypress, TX 77429
Tariq Dayah, MD, MPH, FACC is a renowned cardiologist at Memorial Katy Cardiology Associates in Houston, Katy, and Cypress, Texas.
Dr. Dayah is board-certified in internal medicine, cardiovascular disease, interventional cardiovascular disease, nuclear medicine, and echocardiography. He offers expertise in preventative medicine (blood pressure, heart rate, and cholesterol control), transradial and transfemoral coronary artery interventions, interventional cardio-oncology, peripheral artery interventions, repair of congenital heart defects, such as percutaneous atrial septal defects, and the latest technology involving structural heart interventions.
Dr. Dayah is skilled in numerous noninvasive cardiac imaging modalities such as PET scans, nuclear medicine, and ultrasound imaging. He has been in practice since 2012. He is interested in the latest advancements in coronary artery disease therapies, transcatheter aortic valve replacement, and cardio-oncology. Dr. Dayah currently serves as the Director of Structural Heart at Houston Methodist West Hospital.
A fellow of the American College of Surgeons, Dr. Dayah conducts research into transcatheter aortic valves and energy drink-induced endothelial vascular dysfunction. He has published several journal articles on these research topics.
Tariq Dayah, MD, MPH
Cardiologist
25282 Northwest Fwy
#250
Cypress, TX 77429
Yasir Akram, MD, MPH, FACC, FSCAI, is an accomplished interventional and general cardiologist at Apex Heart & Vascular Center, serving patients in Houston, Tomball, and Cypress, Texas. Known for his clinical expertise and extensive research background, Dr. Akram provides comprehensive care for a range of heart, peripheral arterial, and venous conditions.
Dr. Akram’s training spans Internal Medicine, Preventive Medicine, cardiovascular disease, and interventional cardiology. He is highly skilled in advanced diagnostic and therapeutic procedures, including balloon angioplasty and complex percutaneous coronary and peripheral vascular interventions. His specialties also include advanced cardiac support techniques, such as the Impella heart pump and intra-aortic balloon pump.
In addition, Dr. Akram performs structural heart procedures, such as PFO and ASD closures, and is proficient in implanting loop recorders and pacemakers. He is a recognized expert in venous thromboembolism management, endovascular venous ablation, and vent seal techniques. His capabilities extend to performing transthoracic and transesophageal echocardiography, as well as stress SPECT and PET imaging.
Dr. Akram holds fellowship status with the American College of Cardiology (ACC) and is board-certified in Echocardiography, Nuclear Cardiology, and Vascular Ultrasound (RPVI). His Preventive Medicine board certification underscores his commitment to reducing cardiac risk factors through preventive care. A published author in leading medical journals, Dr. Akram continues to contribute to advancements in cardiovascular science.
At Apex Heart & Vascular Center, Dr. Akram is dedicated to delivering exceptional, evidence-based cardiovascular care. His advanced training, board certifications, and dedication to preventative cardiology enable him to provide high-quality care and innovative treatment options to his patients.
Yasir Akram, MD
Internist
16700 House & Haul
Building 8-A
Cypress, TX 77433