Timothy Markman, MD
Cardiology
Accepting new patients
Sees patients age 18 and up
Penn Heart and Vascular Center
View 2 additional locations
Penn Medicine Provider

About me

  • Assistant Professor of Medicine (Cardiovascular Medicine) at the Hospital of the University of Pennsylvania

Education and training

  • Medical School: Johns Hopkins University School of Medicine
  • Residency: Johns Hopkins Hospital
  • Fellowship: Hospital of the University of Pennsylvania

What my patients think about me

Average Rating

486 reviews

Comments are submitted by patients and reflect their views and opinions. The comments are not endorsed by and do not necessarily reflect the views of Penn Medicine.

November 2025
very thorough and knowledgeable
October 2025
very informative and professional
October 2025
he was a very nice guy he helped me make a better decision about everything
October 2025
doctor markman was awesome!

Insurance accepted

My Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Pennsylvania Hospital: Has privileges to treat patients in the hospital.
Dr. Markman is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Markman TM, Callahan TD The Extravascular ICD: Evolving Paradigms in Sudden Death Prevention , Heart Rhythm: 2025


Litt M, Chelius M, Raad M, Keane S, Tan JL, Arkles J, Tschabrunn CM, Nazarian S, Frankel D, Marchlinski FE, Cengel K, Markman TM Effect of SBRT for ventricular tachycardia on cardiac function , Heart Rhythm Society Scientific Sessions, 22(4): 2025,S497


Zghaib, Tarek, Khoshknab, Mirmilad, Markman, Timothy M, Marchlinski, Francis E, Epstein, Andrew E, Nazarian, Saman Contemporary Study of New Onset Atrial Fibrillation Treatment Strategies at a Large Academic Tertiary Care Center , Journal of Cardiovascular Electrophysiology, 36(4): 2025


Zghaib, Tarek, Enriquez, Andres, Schaller, Robert D, Dixit, Sanjay, Supple, Gregory E, Garcia, Fermin C, Callans, David J, Hyman, Matthew C, Frankel, David S, Marchlinski, Francis E Coronary Venous Ethanol Infusion for Treatment of Refractory Ventricular Arrhythmias , Heart Rhythm: 2025,S1547-5271(25)02397-5


Buhuya T, Chelius M, Raad M, Keane S, Tan JL, Arkles J, Tschabrunn CM, Nazarian S, Frankel D, Marchlinski FE, Cengel K, Markman TM Orthotopic heart transplantation following stereotactic body radiotherapy for refractory ventricular arrhythmias , Heart Rhythm Society Scientific Sessions, 22(4): 2025,S763


Litt M, Chelius M, Raad M, Keane S, Tan JL, Arkles J, Tschabrunn CM, Nazarian S, Frankel D, Marchlinski FE, Cengel K, Markman TM Effect of cardiac SBRT on implantable electronic device lead parameters , Heart Rhythm Society Scientific Sessions, 22(4): 2025,S789-S790


Kumar S, Chelius M, Raad M, Keane S, Tan JL, Arkles J, Tschabrunn CM, Nazarian S, Frankel D, Marchlinski FE, Cengel K, Markman TM Heart failure outcomes following stereotactic body radiotherapy for refractory ventricular arrhythmias , Heart Rhythm Society Scientific Sessions, 22(4): 2025,S511


Buhuya T, Chelius M, Raad M, Keane S, Tan JL, Arkles J, Tschabrunn CM, Nazarian S, Frankel D, Marchlinski FE, Cengel K, Markman TM Patient characteristics and arrhythmia outcomes following stereotactic body radiotherapy for refractory ventricular arrhythmias , Heart Rhythm Society Scientific Sessions, 22(4): 2025,S757-S758


Aksu T, Tung R, De Potter T, Markman TM, Santangeli P, du Fay de Lavallaz J, Winterfield JR, Baykaner T, Alyesh D, Joza JE, Gopinathannair R Cardioneuroablation for the management of patients with recurrent vasovagal syncope and symptomatic bradyarrhythmias: the CNA-FWRD Registry , J Interv Card Electrophysiol, 68(2): 2025,183-191


Raad M, Markman TM Cardiac sympathetic modulation: searching for a simplified approach , J Inter Card Electrophysiol, 68(2): 2025,401-403