
Overview
Mary Youssef, M.D. was born in Egypt, then moved with her family to Nigeria in West Africa where she spent her formative years. Influenced by her father, a physician, she returned to her native Egypt to attend the Alexandria University Medical School in Alexandria, where she graduated with top honors in 1991. After serving as a hospital-based physician in Egypt from 1992 to 1994, she continued her education at The Institute for Child Health, University of London in London, England, where she was honored to receive her graduate diploma, granted with distinction.Following graduation, she moved to the United States, completing her residency in internal medicine and fellowship in cardiovascular diseases at Seton Hall University. She joined the medical staff of the East Texas Medical Center, where she practiced as an invasive cardiologist from 2002 through 2008, then joining the Holy Family Memorial Hospital System in Wisconsin. Having enough of the cold weather, she returned to Texas, where she has practiced since 2011.Board-certified in internal medicine and cardiovascular diseases, she also holds special board certifications in nuclear cardiology, echocardiography, and cardiovascular computed tomography. Youssef's special interest is in women's health and women's heart disease.She holds active staff privileges at the Texas Health Flower Mound, The Medical Center of Lewisville, and Texas Health Denton.Married with a young son and daughter, her favorite activities outside of medicine include cooking and doing handicrafts with her family.
Dr. Youssef is rated as an Advanced provider by MediFind in the treatment of Glucocorticoid-Remediable Aldosteronism. Her top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Hypertension, and Glucocorticoid-Remediable Aldosteronism.
Insurance
Accepted insurance can change. Please verify directly with the provider.
Accepted insurance plans:
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- EPO
- HMO
- POS
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- HMO
- POS
- PPO
- EPO
- HMO
- PPO
- MANAGED MEDICAID PLAN
- PPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- OTHER COMMERCIAL
- OTHER MEDICARE
- OTHER MEDICARE PART D
- PPO
- POS
- PPO
- EPO
- HMO
- PPO
- HMO
- INDEMNITY
- POS
- PPO
- EPO
- POS
- PPO
- OTHER MANAGED MEDICAID
- EPO
- HMO
- PPO
- OTHER MEDICAID
- STATE MEDICAID
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE PART D
- EPO
- PPO
- INSURANCE PLAN
- MEDICARE MAPD
- OTHER COMMERCIAL
- PPO
- MANAGED MEDICAID PLAN
- MEDICARE-MEDICAID PLAN
- OTHER COMMERCIAL
- OTHER COMMERCIAL
- PPO
- EPO
- HMO
- POS
- PPO
- MEDICARE DISCOUNT CARD
- MEDICARE PDP
- OTHER MEDICARE
- EPO
- HMO
- INSURANCE PLAN
- MANAGED MEDICAID PLAN
- MEDICARE MAPD
- MEDICARE PDP
- MEDICARE SNP
- MEDICARE-MEDICAID PLAN
- OTHER MEDICARE
- OTHER MEDICARE PART D
Locations
1000 Flower Mound Rd, Flower Mound, TX 75028
4370 Medical Arts Dr, Ste 300, Flower Mound, TX 75028
Texas Health Heart And Vascular Specialists
Dr. Tu K. Le provides compassionate, comprehensive care for general and invasive cardiology in patients with known or suspected diseases of the heart or circulation. Fellowship-trained cardiologist in the top 5 Cardiology Programs in the U.S.</li> Board-certified by the American Board of Internal Medicine in Cardiovascular Disease and by the Board of Nuclear Cardiology</li></ul>Dr. Le has an extensive academic record. He attended the University of California, Riverside in the 3-year accelerated undergraduate Biomedical Sciences Program, graduating with high honors. He then completed his medical school, Internal Medicine residency, and Cardiology fellowship at the University of California, Los Angeles (UCLA). In addition, Dr. Le has been the recipient of the most prestigious and nationally recognized academic honors and awards. He was named the University of California Regents Scholar and received the Phi Beta Kappa honor.He has a strong interest and expertise in cardiovascular imaging. He has been involved in multiple research trials both in echocardiography and impedance cardiography. He is an expert in 3-D echocardiography. Dr. Le is also trained in vascular imaging and CT imaging. Dr. Le also provides expertise in rhythm management and pacemaker implants. He is a testamur of the North American Society of Pacing and Electrophysiology (NASPE).Dr. Le has a strong philosophy concerning a balanced life and applies this in his practice and focus in preventive and general cardiology. Raising five kids with his wife, he truly understands the demands that patients have in their lives and makes every effort to balance that with the latest cutting-edge therapy in cardiovascular care, whether that is through medications or, if necessary, invasive and interventional procedures. Aside from his practice and family, Dr. Le has managed to complete his MBA program from the University of Texas, Dallas, graduating with high honors and receiving the Beta Gamma Sigma honor. He has applied this skillset in his leadership positions in the local hospitals and Texas Health system. He has also managed to help start up a free medical clinic in his church and served as the medical director. With what little free time he has, he enjoys the outdoors as an avid cyclist and snowboarder.Dr. Le is also fluent in Spanish and Vietnamese. Dr. Le is rated as a Distinguished provider by MediFind in the treatment of Glucocorticoid-Remediable Aldosteronism. His top areas of expertise are Atrial Fibrillation, Necrosis, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Pacemaker Implantation.
Texas Health Heart And Vascular Specialists
Matthew Dickson, M.D., Ph.D., F.A.C.C., is fellowship-trained and board-certified in internal medicine, cardiac CT, echocardiography, nuclear cardiology, and cardiology. He graduated Summa Cum Laude from Saint Olaf College in Northfield, Minn., with a bachelor's degree in biology before going on to receive his M.D. and Ph.D. from the University of Iowa Carver College of Medicine in Iowa City. He completed his internal medicine internship and residency at Duke University in Durham, N.C., and fellowships in cardiology and advanced multimodality cardiovascular imaging at The University of Texas Southwestern Medical Center in Dallas.Dr. Dickson's areas of special interest include cardiovascular risks in women after menopause, echocardiography, cardiovascular imaging, ambulatory monitoring and exercise testing. He is a member of the American College of Cardiology, American Society of Nuclear Cardiology, American Society for Preventive Cardiology and North American Society for Cardiovascular Imaging. When not caring for the heart-health needs of his patients, Dr. Dickson enjoys jogging, skiing, scuba diving and playing the trumpet. . Dr. Dickson is rated as a Distinguished provider by MediFind in the treatment of Glucocorticoid-Remediable Aldosteronism. His top areas of expertise are Aortic Regurgitation, Pediatric Myocarditis, Necrosis, and Fainting.
Texas Health Heart And Vascular Specialists
"Shirley Ann Williams, M.D., was born in Peoria, Ill. Raised in a family with 12 children, she received her B.S. in Biology from Peoria's Bradley University, where she graduated cum laude. After completing medical school in 1977 at the University of Iowa School of Medicine, Iowa City, Iowa, Williams continued her education at the Cleveland Clinic Foundation in Cleveland, Ohio, where she completed a residency in internal medicine and a fellowship in noninvasive cardiology.Upon completion of her formal medical training, Williams became a staff cardiologist at the Veterans Administration Center in Temple, Texas. While there, she also served as assistant professor in the Department of Medicine at the Texas A&M University College of Medicine. These experiences inspired Williams to expand her skills by pursuing an additional fellowship in invasive cardiology at Hahnemann University Hospital in Philadelphia, Pa., in 1990. Prior to her move to Dallas, she was in private practice in Macon, Ga., for 4 1/2 years. A Fellow of the American College of Cardiology, Williams is board-certified by the American Board of Internal Medicine (ABIM), and the ABIM Subspecialty Board of Cardiovascular Diseases.In 2011, Williams was nominated as ""Cardiologist of the Year"" for Denton County. She serves as medical director and chairman of the quality improvement committee and utilization review committee at Lewisville Medical Center, where she is also a member of the leadership team and serves as secretary of the medical staff. Williams is also a member the hospital's critical care committee and open heart committee. She received the Thomas F. Frist humanitarian award from Lewisville Medical Center in April 2011. Williams also serves on the HCA North Texas Division physician quality advisory committee for the nine north Texas hospitals.Williams holds active medical staff privileges at Texas Health Flower Mound, Lewisville Medical Center and Texas Health Denton.Williams joined Cardiovascular Specialists P.A. in April, 1995. One of her strengths is an ability to relate to different kinds of people much of which she attributes to growing up with so many siblings. She also has a special fondness for the elderly, and counts her experiences in caring for older patients as some of her most rewarding.". Dr. Williams is rated as a Distinguished provider by MediFind in the treatment of Glucocorticoid-Remediable Aldosteronism. Her top areas of expertise are Orthostatic Hypotension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Pediatric Myocarditis.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- Aortic RegurgitationDr. Youssef isDistinguished. Learn about Aortic Regurgitation.
- Advanced
- AnginaDr. Youssef isAdvanced. Learn about Angina.
- Aortic Valve StenosisDr. Youssef isAdvanced. Learn about Aortic Valve Stenosis.
- Arterial EmbolismDr. Youssef isAdvanced. Learn about Arterial Embolism.
- AtherosclerosisDr. Youssef isAdvanced. Learn about Atherosclerosis.
- Atrial FibrillationDr. Youssef isAdvanced. Learn about Atrial Fibrillation.
- CardiomyopathyDr. Youssef isAdvanced. Learn about Cardiomyopathy.
- Experienced
- Adenosine Deaminase 2 DeficiencyDr. Youssef isExperienced. Learn about Adenosine Deaminase 2 Deficiency.
- ApoplexyDr. Youssef isExperienced. Learn about Apoplexy.
- ArachnodactylyDr. Youssef isExperienced. Learn about Arachnodactyly.
- ArrhythmiasDr. Youssef isExperienced. Learn about Arrhythmias.
- Arrhythmogenic Right Ventricular Cardiomyopathy
- Arterial InsufficiencyDr. Youssef isExperienced. Learn about Arterial Insufficiency.



