Undergraduate education
Uni of California-Riverside (Biochemistry)[1]
Through 1990
Phi Wiegn
Associate Professor
UT Southwestern Medical Center · Date not established · Last known relationship
Associate Professor
UT Southwestern Medical Center · Date not established · Last known relationship
Conflicting evidence. The profile biography describes internal medicine, cardiology, and electrophysiology training, but the structured education section ends with medical school and supplies no postgraduate training dates.
A cardiac electrophysiologist, he focuses clinically and in research on cardiac resynchronization therapy in heart failure and on atrial and ventricular tachyarrhythmias.
He directs the Cardiac Electrophysiology Lab at the North Texas VA Health Care System. His stated interests include resynchronization therapy for heart failure and atrial and ventricular tachyarrhythmias.
Wiegn trained in internal medicine at New York Hospital-Cornell and completed cardiology and clinical cardiac electrophysiology fellowships at UT Southwestern.
atrial tachyarrhythmias · cardiac electrophysiology · cardiac resynchronization therapy · heart failure · ventricular tachyarrhythmias
Reviewed sources document Undergraduate education: Uni of California-Riverside (Biochemistry) and Medical school: New York Medical College.
Explore education and trainingReviewed sources document atrial tachyarrhythmias, cardiac electrophysiology, cardiac resynchronization therapy, and heart failure, plus 1 more research item. Explore attributed publications and research affiliations.
Explore researchDated relationships supported by published source records. Inferred dates are labeled.
Date not established
UT Southwestern Medical Center
UT Southwestern Division of Cardiology faculty directoryConflicting evidence. Years are source-listed endpoints or labels; no unstated training duration is inferred.
atrial tachyarrhythmias[1]
cardiac electrophysiology[1]
cardiac resynchronization therapy[1]
heart failure[1]
ventricular tachyarrhythmias[1]
Sources are listed once and connected to each accepted claim they support. Excerpts preserve the source language used in the review.
12 source claims · Reviewed Sep 7, 2026
Biographical context: A cardiac electrophysiologist, he focuses clinically and in research on cardiac resynchronization therapy in heart failure and on atrial and ventricular tachyarrhythmias.
Biography Phi Wiegn, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Cardiology. Originally from Vietnam, Dr. Wiegn earned his medical degree at New York Medical College. He completed internal medicine residency training at The New York Hospital-Cornell University Medical Center. He then completed advanced training through fellowships in cardiology and clinical cardiac electrophysiology at the University of Texas Southwestern Medical Center. Certified by the American Board of Internal Medicine in cardiovascular disease and clinical cardiac electrophysiology, Dr. Wiegn joined the UT Southwestern faculty in 2010. He is the Director of the Cardiac Electrophysiology Lab at the North Texas VA Health Care System in Dallas. Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Biographical context: He directs the Cardiac Electrophysiology Lab at the North Texas VA Health Care System. His stated interests include resynchronization therapy for heart failure and atrial and ventricular tachyarrhythmias.
Biography Phi Wiegn, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Cardiology. Originally from Vietnam, Dr. Wiegn earned his medical degree at New York Medical College. He completed internal medicine residency training at The New York Hospital-Cornell University Medical Center. He then completed advanced training through fellowships in cardiology and clinical cardiac electrophysiology at the University of Texas Southwestern Medical Center. Certified by the American Board of Internal Medicine in cardiovascular disease and clinical cardiac electrophysiology, Dr. Wiegn joined the UT Southwestern faculty in 2010. He is the Director of the Cardiac Electrophysiology Lab at the North Texas VA Health Care System in Dallas. Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Biographical context: Wiegn trained in internal medicine at New York Hospital-Cornell and completed cardiology and clinical cardiac electrophysiology fellowships at UT Southwestern.
Biography Phi Wiegn, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Cardiology. Originally from Vietnam, Dr. Wiegn earned his medical degree at New York Medical College. He completed internal medicine residency training at The New York Hospital-Cornell University Medical Center. He then completed advanced training through fellowships in cardiology and clinical cardiac electrophysiology at the University of Texas Southwestern Medical Center. Certified by the American Board of Internal Medicine in cardiovascular disease and clinical cardiac electrophysiology, Dr. Wiegn joined the UT Southwestern faculty in 2010. He is the Director of the Cardiac Electrophysiology Lab at the North Texas VA Health Care System in Dallas. Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Official headshot: Portrait
<img src="https://profileplus.swmed.edu/facultydata/60802/images/wiegn-phi-fis.jpg" class="card__image" itemprop="image" alt="Phi Wiegn, M.D. " style="max-width:200px;" />
Medical school: New York Medical College
Through 1996
Education Undergraduate Uni of California-Riverside (1990), Biochemistry Medical School New York Medical College (1996)
Official profile: Official profile
Biography Phi Wiegn, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Cardiology. Originally from Vietnam, Dr. Wiegn earned his medical degree at New York Medical College. He completed internal medicine residency training at The New York Hospital-Cornell University Medical Center. He then completed advanced training through fellowships in cardiology and clinical cardiac electrophysiology at the University of Texas Southwestern Medical Center. Certified by the American Board of Internal Medicine in cardiovascular disease and clinical cardiac electrophysiology, Dr. Wiegn joined the UT Southwestern faculty in 2010. He is the Director of the Cardiac Electrophysiology Lab at the North Texas VA Health Care System in Dallas. Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Research interests: atrial tachyarrhythmias
Phi Wiegn, M.D., is an Associate Professor in the Department of Internal Medicine at UT Southwestern Medical Center and a member of the Division of Cardiology.
Research interests: cardiac electrophysiology
Originally from Vietnam, Dr. Wiegn earned his medical degree at New York Medical College. He completed internal medicine residency training at The New York Hospital-Cornell University Medical Center. He then completed advanced training through fellowships in cardiology and clinical cardiac electrophysiology at the University of Texas Southwestern Medical Center.
Research interests: cardiac resynchronization therapy
Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Research interests: heart failure
Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Research interests: ventricular tachyarrhythmias
Dr. Wiegn's clinical and research interests include cardiac resynchronization therapy in heart failure and atrial and ventricular tachyarrhythmias.
Undergraduate education: Uni of California-Riverside (Biochemistry)
Through 1990
Education Undergraduate Uni of California-Riverside (1990), Biochemistry Medical School New York Medical College (1996)
1 source claim · Reviewed Sep 7, 2026
Professional role: Associate Professor
Phi Wiegn, M.D. Associate Professor Practice Site : Dallas VA Medical Center
