Michael P. Riley, MD, PhD

Cardiology
Accepting new patients
Sees patients age 18 and up
Penn Heart and Vascular Center
View 1 additional location
Make an appointmentCall 215-615-4949
Headshot of Michael P. Riley, MD, PhD
Penn Medicine Provider

About me

  • Associate Professor of Clinical Medicine (Cardiovascular Medicine)

My education and training

  • Medical School: University of Pennsylvania School of Medicine
  • Residency: University of Pennsylvania Health System
  • Fellowship: University of Pennsylvania Health System

Spoken languages

English
English

Reviews

Average Rating

1166 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.

Anonymous
May 2026
extremely dedicated and knowledgeable. a real mensch! understands the complexity of the heart physiological and emotional
Anonymous
May 2026
i have repeatedly recommended dr riley to everyone i encounter who has arrhythmia, whether it's atrial fibrillation, atrial slaughter
Anonymous
April 2026
through and comprehensive examination and detailed explanations.
Anonymous
April 2026
he is great

Insurance accepted

Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.

Locations

Penn Medicine hospital privileges

  • Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
  • Penn Presbyterian Medical Center: On the medical staff, but does not have privileges to treat patients in the hospital.
  • Princeton Medical Center: Has privileges to treat patients in the hospital.
Dr. Riley is a Penn Medicine physician. In New Jersey, providers are affiliated with Penn Medicine through Clinical Health Care Associates of New Jersey or Princeton Healthcare Affiliated Physicians, PC.

Qualifications and experience

Treatments and conditions

Research

Publications

Yogasundaram H, Petzl AM, Raad M, Chaumont C, Guandalini GS, Kumareswaran R, Hyman MC, Schaller RD, Supple GE, Garcia FC, Nazarian S, Lin D, Riley MP, Dixit S, Callans DJ, Marchlinski FE, Frankel DS. Combined catheter ablation of atrial fibrillation and premature ventricular complexes , Heart Rhythm, 22(8): 2025,2139-2140

Petzl AM, Chaumont C, Patel NA, Otto B, Englander L, Kumareswaran R, Markman TM, Callans DJ, Riley MP, Enriquez A, Hyman MC, Marchlinski FE, Lin D. Peak Frequency for Characterizing and Predicting Critical Isthmus and Termination Sites in Macro-Re-Entrant Atrial Tachycardia , JACC Clin Electrophysiol, S2405-500x(25): 2025,00557-2

Chaumont C, Oraii A, Rodriguez-Queralto O, Petzl A, Zado E, Hanumanthu BKJ, Markman TM, Hyman MC, Tschabrunn CM, Enriquez A, Shivamurthy P, Kumareswaran R, Riley MP, Lin D, Schaller RD, Nazarian S, Callans DJ, Supple GE, Garcia FC, Frankel DS, Dixit S, Anselme F, Marchlinski FE. Sex-Related Differences in Non-Pulmonary Vein Triggers During Initial Atrial Fibrillation Ablation , JAMA Netw Open, 8(8): 2025,e2529527

Yogasundaram H, Papireddy MR, Nazarian S, Guandalini GS, Markman TM, Schaller RD, Riley MP, Lin D, Dixit S, D'Souza B, Kumareswaran R, Callans DJ, Frankel DS, Garcia FC, Zado E, Deo R, Epstein AE, Supple GE, Marchlinski FE, Hyman MC. Long-term risk of right coronary artery injury after catheter ablation of cavotricuspid isthmus-dependent flutter , Heart Rhythm, 22(7): 2025,1675-1681

Enriquez A, Yogasundaram H, Neira V, Guandalini G, Markman T, Shivamurthy P, Hyman M, Hanumanthu B, Lin D, Schaller R, Supple G, Dixit S, Deo R, Nazarian S, Kumareswaran R, Riley M, Epstein AE, See V, Zado E, Callans D, Frankel D, Marchlinski F, Garcia F. Stepwise Anatomical Approach to Ablation of Intramural Outflow Tract Ventricular Arrhythmias Guided by Septal Coronary Venous Mapping , Circulation, 152(3): 2025,163-171

Oraii A, Hanumanthu BKJ, Petzl A, Liao TW, Afzalian A, Rodriguez-Queralto O, Chaumont C, Spears J, Markman TM, Hyman MC, Tschabrunn CM, Guandalini G, Enriquez A, Shivamurthy P, Kumareswaran R, Deo R, Ferrari VA, Riley MP, Lin D, Callans DJ, Supple GE, Schaller RD, Frankel DS, Garcia FC, Nazarian S, Dixit S, Marchlinski FE. Catheter ablation of atrial fibrillation in patients with cardiac amyloidosis and sarcoidosis: procedural findings and outcomes , Europace, 27(6): 2025,euaf100

Keane S, Patel D, Otto B, Englander L, Kumareswaran R, Lin D, Riley MP, Nazarian S, Marchlinski FE, Markman TM. Incidental ablation of ganglionated plexus during atrial fibrillation ablation , J Interv Card Electrophysiol, 68(2): 2025,327-333

Oraii A, Chaumont C, Rodriguez-Queralto O, Wasiak M, Thind M, Peters CJ, Zado E, Hanumanthu BKJ, Markman TM, Hyman MC, Tschabrunn CM, Guandalini G, Enriquez A, Shivamurthy P, Kumareswaran R, Riley MP, Lin D, Schaller RD, Nazarian S, Callans DJ, Supple GE, Garcia FC, Frankel DS, Dixit S, Marchlinski FE. Preprocedural Screening Tool to Guide Nonpulmonary Vein Trigger Testing in First-Time Atrial Fibrillation Ablation , Circ Arrhythm Electrophysiol, 18(1): 2025,e013351

Boyle TA, Pothineni NVK, Austin M, Shivamurthy P, Markman T, Guandalini G, Hyman M, Enriquez A, Fradley MG, Schaller R, Supple G, Deo R, See VY, Riley M, Garcia F, Nazarian S, Lin D, Dixit S, Epstein AE, Callans D, Marchlinski FE, Frankel DS. Incidence and Predictors of Pacing-Induced Right Ventricular Cardiomyopathy , Circ Arrhythm Electrophysiol, 17(10): 2024,e013070

Oraii A, Chaumont C, Rodriguez-Queralto O, Petzl A, Zado E, Markman TM, Hyman MC, Tschabrunn CM, Enriquez A, Shivamurthy P, Kumareswaran R, Riley MP, Lin D, Supple GE, Garcia FC, Schaller RD, Nazarian S, Frankel DS, Dixit S, Callans DJ, Marchlinski FE. Incremental Benefit of Stepwise Nonpulmonary Vein Trigger Provocation During Catheter Ablation of Atrial Fibrillation , JACC Clin Electrophysiol, 10(7(pt2)): 2024,1648-1659