Getting to next First.

Texas Heart Institute is excited to announce our new medical practice: Texas Heart Medical Group. For the first time in our history, we have the ability to treat patients directly under the name Texas Heart. This is a natural progression of our long-term mission and our commitment to cutting edge cardiac care. Now, we research, teach, and treat—all in one place.

That’s how we are getting to The Next First at Texas Heart.

World-renowned Doctors.

The Texas Heart Medical Group is a multi-cultural medical group practice affiliated with the world-renowned Texas Heart Institute that specializes in comprehensive cardiovascular care. Our physicians are constantly working on the edge of new frontiers in non-invasive and invasive procedures. We strive to provide the highest quality medical care in a patient-oriented atmosphere.

The Texas Heart Medical Group physicians are internationally known for their expertise in diagnosing, treating, and preventing cardiovascular diseases.

Our practice includes 12 physicians specializing in all areas of cardiac care and peripheral vascular disease. Our doctors are board-certified in internal medicine and cardiovascular diseases and hold faculty appointments at Baylor College of Medicine and the University of Texas Medical School at Houston. Our talented medical staff includes multi-lingual physicians and employees who are able to cater to the needs of patients in Houston and the surrounding areas, as well as international patients with our doctors’ fluency in English, Spanish, Italian, French, German, Hungarian, Portuguese, Croatian, and Slavic.

Paolo Angelini, M.D.

Paolo Angelini, M.D.

Paolo Angelini, M.D.

With over 54 years of experience, Dr. Paolo Angelini is a practicing cardiologist specializing in Interventional Cardiology as well as Coronary Anomalies and is a longtime member of the teaching staff for Texas Heart Institute’s Cardiovascular Disease and Interventional Cardiology Fellowship programs. Before joining THI, Dr. Angelini received his MD from The University of Milan Faculty of Medicine in Milan, Italy, where he graduated Magna Cum Laude and later trained in Mexico City at the esteemed Instituto Nacional Cardiologia and later at Baylor College of Medicine. He is a distinguished recipient of The Order of Adres Bellow from the Venezuelan Republic as well as Knight Commander from the Italian Republic and is fluent in English, Spanish and Italian.

Briana Costello, M.D.

Briana Costello, M.D.

Briana Costello, M.D.

Dr. Briana Costello trained at the Texas Heart Institute and Baylor St. Luke’s Medical Center hospital as a general and interventional cardiologist after earning her medical degree from Wright State University Boonshoft School of Medicine with Alpha Omega Alpha honors. She went on to complete her internal medicine residency at Rush University Medical Center in Chicago, Illinois.  In addition to general cardiology, Dr. Costello’s subspecialties include Coronary and Structural Interventions as well as Cardiovascular Preventative Medicine and Women’s Heart Health. She is an active member of the online medical community.

Stephanie Coulter, M.D.

Stephanie Coulter, M.D.

Stephanie Coulter, M.D.

As a long-time advocate of Women’s Health, Dr. Stephanie Coulter promotes the development of diagnostic tools, treatments, and prevention strategies that can improve cardiovascular care for women. She serves as THI’s Assistant Medical Director, founding Director of the Women’s Center for Heart & Vascular Health, Director of Cardiology Education, and Program Director of the THI Cardiovascular Disease Fellowship.  Dr. Coulter graduated from Texas A&M and earned her medical degree from the University of Texas Health Science Center Medical School in Houston.  She completed her internship and residency at Harvard Medical School Beth Israel Deaconess Medical Center (BIDMC) in Boston and completed a fellowship in General Cardiology at Harvard Medical School Massachusetts General Hospital before pursuing an advanced Echocardiography fellowship at Massachusetts General as well as a fellowship in Clinical Epidemiology and clinical trials at Harvard Brigham and Women’s. She is a member of many professional societies, including the AMA, American College of Physicians, American College of Cardiology and American Heart Association.

R. David Fish, M.D.

R. David Fish, M.D.

R. David Fish, M.D.

Dr. R. David Fish is board certified in Internal Medicine, Cardiovascular Disease and Interventional Cardiology. He the longstanding Program Director of the Interventional Cardiology Program that has trained scores of expert interventional cardiologists. He serves as Associate Program Director for the General Cardiovascular Disease Fellowship at Texas Heart Institute and Director of the Center for Heart Valve Disease. He received his MD from the University of Texas Southwestern in Dallas, Texas, and later completed his internal medicine residency at Massachusetts General Hospital. He continued his subspecialty training in cardiovascular disease at Brigham and Women’s Hospital in Boston, MA, where he was awarded the Physician-Scientist research award from the National Heart Lung and Blood Institute. His further research included the development of the first coronary and vascular stent procedures at the Arizona Heart Institute and then as Principal Investigator at the Texas Heart Institute. He has created and designed multiple heart devices including novel heart valves that are in development by several medical device companies. Throughout his career, Dr. Fish has remained a leader in the fields of Coronary and Vascular Stenting, Structural Heart Disease, PFO and ASD Closure, Heart Valve Disease and Percutaneous Heart Valve Replacement.

Jorge Guttin, M.D.

Jorge Guttin, M.D.

Jorge Guttin, M.D.

Dr. Jorge Guttin has been a practicing cardiologist in Houston since 1980. Specializing in General Cardiology, Adult Congenital Heart Disease, and Interventional Cardiology, Dr. Guttin completed his residency in Internal Medicine at Baylor College of Medicine following undergraduate and graduate studies in his native Mexico and in Tel Aviv, Israel. Dr. Guttin is board-certified in Internal Medicine and Cardiovascular Disease through the American Board of Internal Medicine and possesses extensive practice experience, including stints at Southwest Cardiovascular Consultants, the offices of Wayne Dear, MD and Patrick Hogan, MD, as well as Leachman Cardiology Associates. He is a member of several professional medical societies and has published numerous articles and abstracts on cardiovascular disease in peer-reviewed academic journals.

Eduardo Hernandez, M.D.

Eduardo Hernandez, M.D.

Eduardo Hernandez, M.D.

Dr. Eduardo Hernandez has been a practicing cardiologist since 2000.  He completed his medical training at the University of Puerto Rico.  He then completed internship and residency training at the University of Alabama in Birmingham, followed by fellowships in Cardiology and Interventional Cardiology and Advanced Peripheral Vascular interventions at Baylor College of Medicine’s St. Luke’s Episcopal Hospital / Texas Heart Institute. He is Medical Director at the Diagnostic Heart Center of St. Luke’s.  Dr. Hernandez is a professional staff member of the Texas Heart Institute and is a Clinical Assistant Professor of Medicine at Baylor College of Medicine.  Dr. Hernandez is a Fellow of the American College of Cardiology, is a member of the International Society of Endovascular Specialists, and is the past President of the Texas Heart Cardiac Society.  He has been named a Legacy member of the Texas Super Doctor Hall of Fame – having been selected for over 15 years by his peers.  He has received recognition from Bridges to Excellence, the Heart/Stroke Recognition Program, and the Patient’s Choice Award. He is involved in clinical research, participating in numerous clinical trials in both coronary and peripheral vascular disease, antiplatelet therapy, and antithrombotic therapy.  He specializes in coronary and peripheral arterial disease – as well as venous disease – focusing on both medical and interventional management.

Zvonimir Krajcer, M.D.

Zvonimir Krajcer, M.D.

Zvonimir Krajcer, M.D.

Dr. Zvonimir Krajcer is a practicing cardiologist since 1977 and a member of Texas Heart Institute’s Professional Staff Leadership team – while serving as Director of Peripheral Vascular Diseases. Dr. Krajcer completed his training in Internal Medicine and Cardiology at Northwestern University and subsequently at Baylor College of Medicine. He is a founding member and a former president of the Texas Heart Institute Cardiac Society. Dr. Krajcer is an active member of the Texas Heart Institute Cardiovascular Disease Fellowship Program at Baylor St. Luke’s Medical Center teaching staff, where he trains the next generation of physician-scientists and interventional cardiologists. He is a Clinical Professor of Medicine/Cardiology at Baylor College of Medicine. His leadership and commitment to important international research and education collaborations is globally impacting the care of patients suffering from vascular diseases. Dr. Krajcer is an internationally recognized pioneer in his field and is the immediate past President of the International Society for Endovascular Specialists, which is dedicated to the advancement of vascular and endovascular therapies.  He has organized over 20 national and international meetings as a program director. He is also an editorial board member of several prestigious cardiovascular journals and serves as Chief Editor of the Texas Heart Journal. Since 1996, he has participated as a co-investigator and principal investigator in multiple clinical trials for the treatment of Peripheral Arterial Disease, Abdominal and Thoracic Aortic Aneurysms, Carotid Artery Stenosis, Venous Disease, and Percutaneous Heart Valve Replacement. He is one of the pioneers of Percutaneous Endovascular Aneurysm Repair (PEVAR), which utilizes fast track protocol under local anesthesia and percutaneous approach.

D. Richard Leachman, M.D.

D. Richard Leachman, M.D.

D. Richard Leachman, M.D.

A practicing cardiologist since 1982, Dr. D. Richard Leachman earned his Bachelor of Science degree from Vanderbilt University in Nashville and his medical degree from the University of Texas Health Science Center at Dallas where he was elected to the Alpha Omega Alpha Honor Medical Society (AOA). He later conducted his medical training at Parkland Memorial, also in Dallas. He is board certified through the American Board of Internal Medicine in Internal Medicine, Cardiovascular Disease, and Interventional Cardiology. Possessing special cardiovascular interests in Preventative Cardiology and Clinical Consultative Cardiology, Dr. Leachman is fluent in English and Spanish and is conversational in Italian.

Alberto Lopez, M.D.

Alberto Lopez, M.D.

Alberto Lopez, M.D.

Dr. Alberto Lopez has practiced cardiology since 1987always at THI and St. Lukes and he is a leading expert in the sub-specializations of Consultative and Interventional Electrophysiology, Pacing and Arrhythmia Management, and Cardiac Resynchronization for Congestive Heart Failure. Dr. Lopez received his MD from the Universidad Central de Venezuela in Caracas, Venezuela, and later trained with top medical teams at Good Samaritan Hospital and University of Cincinnati, Mayo Clinic in Rochester, MN, and University of Miami in Miami, FL, in addition to Texas Heart Institute, where he has received myriad accolades. Dr. Lopez serves on the American Board of Internal Medicine and is board-certified in Internal Medicine, Cardiovascular Disease, Clinical Cardiac Electrophysiology, and Critical Care Medicine. He is recognized as a Fellow of the American College of Cardiology and of the Heart Rhythm Society. He is an Associate Professor of Medicine at Baylor College of Medicine and teaches Cardiology and Electrophysiology at Texas Heart Institute.

Roberto Lufschanowski, M.D.

Roberto Lufschanowski, M.D.

Roberto Lufschanowski, M.D.

A practicing cardiologist since 1960, Dr. Roberto Lufschanowski received both his undergraduate Bachelor of Science degree and his graduate medical degree from the University of Buenos Aires. He subsequently completed medical training at Mt. Sinai Hospital in Chicago, IL, the VA Hospital in Washington, DC, and Baylor College of Medicine in Houston. He is Board Certified in Internal Medicine and Cardiovascular Disease through the American Board of Internal Medicine and has special interests in Consultative Cardiology and Congenital Heart Disease in children and adults. Fluent in English, Spanish, Italian and French, Dr. Lufschanowski is on the teaching staff of the Texas Heart Institute Cardiovascular Disease Fellowship and is an editorial consultant for the Texas Heart Institute Journal and Clinical Professor of Medicine at Baylor College of Medicine.

Emerson Perin, M.D., PhD

Emerson Perin, M.D., PhD

Emerson Perin, M.D., PhD

Dr. Emerson Perin has provided guidance at Texas Heart Institute for over 25 years and is an alumnus of the Texas Heart Institute Cardiovascular Disease and Interventional Cardiology Fellowship programs. He is a leading cardiologist known around the world for his work developing stem cell therapies for cardiovascular diseases. He currently serves as Director of the Center for Clinical Research, Director of the Stem Cell Center and Medical Director of THI as appointed by the Board of Trustees. Dr. Perin was born in Porto Alegre, Brazil and spent equal amounts of time in the United States and Brazil throughout his life. He studied graduate violin and obtained his MD at Universidade Federal do Rio Grande do Sul in Brazil and continued his educational training in Internal Medicine and Cardiology in the U.S., where he graduated as Outstanding Fellow of his class from the Texas Heart Institute. Dr. Perin has been ranked in the top 1% of interventional cardiologists in the United States.

Alexander Postalian, M.D.

Alexander Postalian, M.D.

Alexander Postalian, M.D.

Dr. Alexander Postalian is an interventional and general cardiologist, serving as a member of the teaching staff for Texas Heart Institute’s cardiovascular disease training programs and specializing in coronary, peripheral vascular, and structural/valvular heart disease intervention with clinical and research expertise in cardiovascular disease prevention, state-of-the-art coronary intervention guided by intravascular imaging and flow assessment, next-day discharge transcatheter aortic valve replacement, and minimally invasive abdominal aortic aneurysm treatment. Dr. Postalian has completed board certification examinations in Cardiovascular Diseases, Echocardiography, Nuclear Cardiology, and Internal Medicine, consistently scoring among the very highest in the nation. He is a graduate of the Texas Heart Institute Interventional and General Cardiology Fellowship training programs sponsored by Baylor College of Medicine and is a recipient of the Tauber Award in the category of Most Outstanding Graduating Cardiology Fellow. Prior to his cardiology fellowship, Dr. Postalian completed an internal medicine residency at The McGovern Medical School at the University of Texas Health Science Center at Houston. The native of Venezuela graduated Magna Cum Laude from the Universidad Central de Venezuela Medical School in 2010.

Doctors of the Texas Heart Medical Group photograph

Our Specialties.

We participate in the majority of health insurance plans including Medicare patients, with a physician available 24 hours a day, seven days a week and in-office testing. See our FAQ page for more info.

General Clinical

  • Chest Pain
  • Management of High Blood Pressure
  • Management of High Cholesterol

Vein Clinic

  • Vein Ablations
  • Sclerotherapy
  • RF Ablations
  • VenaSeal

Procedures

Interventional Cardiology

  • Diagnostic Cardiac Catheterization
  • Coronary Angioplasty and Stenting
  • Coronary Atherectomy
  • Patent Foramen Ovale Closure (PFO)

Valve Disease

  • Valve Replacement Surgery
  • Transcatheter aortic valve replacement (TAVR)
  • Thoracic Aneurysm Repair

Peripheral Vascular Disease

  • Abdominal Aortic Aneurysm
  • Carotid Stent Implantation
  • Peripheral Angiography
  • Peripheral Stent Implantation
  • Peripheral Venography
  • Endovenous Therapy

Arrythmia Care

  • Holter Monitoring
  • Event Monitoring
  • Continuous Telemetry Monitoring
  • Remote Monitoring
  • Ablation
  • Pacemaker Interrogation
  • Cardiac Defibrillator Interrogation

Advanced Cardiovascular Prevention Clinic

  • Nuclear Perfusion Stress Test Exercise
  • Nuclear Perfusion Stress Test
  • Renal Arterial Duplex Scan
  • Aorta Duplex Scan
  • Arterial Duplex Scan of the Lower Extremities
  • Arterial Duplex Scan of the Update Extremities
  • Exercise Stress Test
  • Echocardiogram
  • Transesophageal Echo

In-Office Testing

Ultrasounds

  • Echocardiography
  • Abdominal Aortic Aneurysm Screening
  • Venous Doppler
  • Arterial Doppler
  • Carotid Doppler
  • Bubble Echo

Stress Tests

  • Cardiac PET Scan
  • Nuclear Stress Test
  • Treadmill Stress Test

CT Scan

  • Computerized Tomography (CT)
  • Computerized Tomography Angiogram (CTA)
  • Calcium Score
  • ECG
  • Tilt Table Test
  • Ankle Brachial Index (ABI)