Mary C. Shields, MD
Cardiology
Accepting new patients
Sees patients age 18 and up
Penn Heart and Vascular Center Pennsylvania Hospital
View 1 additional location
Schedule onlineCall 215-829-5064
Penn Medicine Provider

About me

  • Clinical Assistant Professor of Medicine (Cardiovascular Medicine)

Education and training

  • Medical School: Royal College of Surgeons of England
  • Residency: Pennsylvania Hospital
  • Fellowship: University of Virginia Health System

What my patients think about me

Average Rating

565 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.

December 2025
she is knowledgeable and great bedside manner
December 2025
dr shields was professional with a very easy manner. she listened and was articulate in her explanations
December 2025
good conversation and she listened to my concerns and questions
December 2025
dr. shields knows what she's doing and cares for her patients. patients want someone who's compassionate, professional and caring to help educate and teach them how to live a healthy and productive life. dr. shields is that person.

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. Shields is a Penn Medicine physician.

Qualifications and experience

Treatments and Conditions

My research

Shields M, Ouellette M, Kiefer N, Kohan L, Ragosta M, Taylor A Characteristics and outcomes of surgically ineligible patients with multivessel disease treated with percutaneous coronary intervention , Catheterization and Cardiovascular Interventions, 98(7): 2021,1223-1229

Ragosta M, Boehme R, Shields M, Taylor A Intentional removal of erroneously deployed coronary stents: A case series and review of the literature , Catheterization and Cardiovascular Interventions, 97(4): 2021,670-674

Vetrovec GW, Shields M, Goldberg S, Shroff A, Feldman MD, Sahni S, Nakamura M, Seto AH, Limpijankit T, Kereiakes DJ Important Trial Results for Interventional Cardiology From ESC Congress and TCThttps , ACC: 2018

Mary C Shields, Borna Mehrad, Ellen C Keeley Association between circulating fibrocytes and angiographic coronary collaterals in patients with obstructive coronary artery disease , Am J Transl Res, 10(8): 2018,2722-2725

Shields M, Ragosta M The Knotted Swan , CRT Online: 2018

Shields, M. Coronary Perforation- Complex Anatomy, PCI Technique and Novel Anticoagulation System. Best Interesting Cases. , Cardiovascular Research Technologies: 2018

Shields,M Device Erosion After ASD Repair. Winner of case presentation , 2nd Annual CVI Fellows Course: 2018

Shields, M. Very Late Device Erosion After Percutaneous ASD Repair , Complex Cardiovascular Catheter Therapeutics Advance Endovascular and Coronary Intervention Global Summit: 2017

Shields M, Goldberg S. Bioabsorbable Scaffolds: Can the Problems of Dissolution Be Overcome." Cardiology 138.1 (2017): 63-65 , Cardiology, 138(1): 2017,63-65

Shields Mary C., Stout Christopher, Shah Neil, Sneha Tamya, Cho Yelim, Ferguson John, Kwon Younghoon Slow Wave Sleep in Patients with Atrial Fibrillation , the University of Virginia Research and Scholars Day: 2017