Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dr. Mamillapalli is a compassionate cardiologist specializing in personal, evidence-based care with a passion for women’s health. She earned her undergraduate and medical degrees from the University of Connecticut, where she received the Leonard Tow Humanism in Medicine Award. She completed her Internal Medicine residency at the University of Minnesota and served veterans at the Minneapolis VA Hospital before training in General and Interventional Cardiology at Northwell Health in New York, where she was Chief Fellow.
Board-certified in Internal Medicine, Cardiovascular Disease, Echocardiography, and Nuclear Medicine, she brings extensive expertise in cardiovascular procedures along with a strong focus on prevention and advocacy for women’s cardiovascular health. Patients value her empathy and patient-centered approach. Outside of medicine, she enjoys horseback riding, staying active, exploring Texas, and time with her family.
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.
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.
Rajen Mehta, MD, FACC, is a skilled cardiologist at Memorial Katy Cardiology Associates in Houston and Katy, Texas.
Born in Winnipeg, Canada, Dr. Mehta grew up in Houston, Texas, and graduated from Memorial High School. He attended the University of Texas at Austin, where he received his Bachelor of Arts in Biology and graduated on the Dean’s List. He continued to medical school at the University of Texas Medical Branch in Galveston and completed his residency in internal medicine at the University of Alabama at Birmingham. He furthered his training in cardiology at the Medical College of Georgia in Augusta, where he was trained in specialized invasive procedures and diagnostic imaging. He joined Memorial Katy Cardiology Associates in 1998.
Dr. Mehta has expertise in cardiology, including the evaluation of common cardiac complaints such as chest pain, shortness of breath, passing out, leg swelling, and palpitations. He has a particular interest in preventive cardiology, including management of high blood pressure and cholesterol disorders, as well as management of the disease after they have developed such circulatory problems of the legs, coronary artery disease, and heart failure. Dr. Mehta places special emphasis on patient education. Dr. Mehta is trained in special cardiac procedures, including coronary angiography and angioplasty, pacemaker insertion, and transesophageal echocardiography. His main research has been in cardiac imaging, and he has several publications on echocardiography.
Dr. Mehta’s personal interests include playing guitar and spending time with his wife, two daughters, and golden retriever.
James Feldman, MD, FACC, is an exceptional cardiologist at Memorial Katy Cardiology Associates in Houston, Katy and Cypress, Texas.
Dr. Feldman was born in Houston, Texas. He grew up in the Memorial area and attended Memorial High School. He received his bachelor’s degree in Economics with honors from The University of Texas at Austin.
Dr. Feldman completed his medical training at Creighton University School of Medicine. He completed his Internal Medicine and Cardiology Fellowship at Baylor College of Medicine in Waco, Texas.
Dr. Feldman is a board-certified cardiologist with a strong interest in medical imaging. He is also board certified in Echocardiography with Level III training. He is a proud fellow of the American College of Cardiology.
Board-certified in cardiovascular disease, echocardiology, and internal medicine, Dr. Feldman’s clinical interests include cardiovascular diseases and internal medicine. He also has a strong interest in medical imaging.
Outside of his practice, Dr. Feldman’s favorite activity is spending time with his family.
Anil Odhav, MD, FACC, is an expert cardiologist at Memorial Katy Cardiology Associates in Houston and Katy, Texas.
Dr. Odhav was born in Zambia, Africa. After receiving his undergraduate degree from the University of Zambia, he attended the University of Tennessee in Chattanooga, where he completed his Internal Medicine residency and a year as Chief Resident and Clinical Instructor.
Dr. Odhav performed his cardiovascular training at the Medical College of Georgia in Augusta and joined Memorial Katy Cardiology Associates in January 2001.
He is interested in all aspects of adult cardiology with a particular interest in invasive cardiology, nuclear cardiology, echocardiogram, hypertension, and peripheral vascular diseases. Certification was obtained from the American Board of Internal Medicine in 1995 for Internal Medicine and in 2000 for Cardiovascular Diseases. Dr. Odhav is a proud member of the American College of Cardiology and the Harris County Medical Society.
During Dr. Odhav's spare time, he enjoys traveling alongside his wife and their children.
Ali El-Halwagi, MD, MPH, is double board certified in Internal Medicine and Rheumatology. He is dedicated to delivering compassionate, personalized care to every patient he serves. Dr. El-Halwagi graduated summa cum laude from Texas A&M University with a Bachelor of Science in Chemical Engineering. He then relocated to Houston to attend Baylor College of Medicine, where he earned his medical degree with honors. In addition, he holds a Master of Public Health from the University of Texas, reflecting his commitment to understanding and addressing the diverse needs of the community.
Dr. El-Halwagi completed his residency in Internal Medicine at Baylor College of Medicine, where he also served as chief resident. During this time, he gained valuable experience as a hospitalist at Ben Taub General Hospital and Baylor St. Luke’s Medical Center. He went on to complete his fellowship in Rheumatology at Baylor College of Medicine.
Throughout his training, Dr. El-Halwagi has been recognized with multiple honors for his humanistic approach to medicine, dedication to teaching, and excellence in patient care. He is a member of the Alpha Omega Alpha Honor Medical Society and the Gold Humanism Honor Society. He remains actively engaged with the American College of Rheumatology, participating in networking, conference planning, and ongoing professional development.
Dr. El-Halwagi is passionate about improving patient outcomes and building lasting relationships with his patients. Outside of medicine, he enjoys spending time with his family and traveling.
Dr. Mamillapalli is a compassionate cardiologist specializing in personal, evidence-based care with a passion for women’s health. She earned her undergraduate and medical degrees from the University of Connecticut, where she received the Leonard Tow Humanism in Medicine Award. She completed her Internal Medicine residency at the University of Minnesota and served veterans at the Minneapolis VA Hospital before training in General and Interventional Cardiology at Northwell Health in New York, where she was Chief Fellow.
Board-certified in Internal Medicine, Cardiovascular Disease, Echocardiography, and Nuclear Medicine, she brings extensive expertise in cardiovascular procedures along with a strong focus on prevention and advocacy for women’s cardiovascular health. Patients value her empathy and patient-centered approach. Outside of medicine, she enjoys horseback riding, staying active, exploring Texas, and time with her family.
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.
