Browse Health
Cardiac Electrophysiology
21 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

Patient Reviews

Patient comments (4)

The overall average patient rating of Dr. Joseph Pennington, Cardiac Electrophysiology is Excellent. Dr. Pennington has been reviewed by 32 patients who have provided 4 comments. The rating is 4.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.8
Promptness 4.9
Courteous Staff 4.8
Accurate Diagnosis 4.7
Bedside Manner 4.9
Spends Time with Me 4.7
Follows Up After Visit 4.6

Specialties & Research

  • He has special expertise in 6 areas:
  • Acute Coronary Syndrome (ACS)
  • Heart Block
  • Heart Rhythm Disorders
  • High Blood Pressure (Hypertension)
  • High Cholesterol (Hypercholesterolemia)
  • Unstable Angina

Education & Awards

Dr. Pennington graduated from Thomas Jefferson University, Philadelphia. He has 6 awards.

Patients' Choice 5th Anniversary Award (2012 - 2014)
Patients' Choice Award (2008 - 2014)
Compassionate Doctor Recognition (2010, 2012 - 2014)
Top 10 Doctor - Metro Area (2014)
Delaware Valley
Top 10 Doctor - State (2014)
On-Time Doctor Award (2014)


Dr. Pennington has 6 hospital affiliations:

  • Christiana Care Health Services 
  • St Francis Hospital 

> > > > Dr. Joseph Pennington, MD

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Additional Information
Dr. Joseph Cass Pennington MD is a male Internist, has 21 years of experience and practices in Cardiovascular Disease.
Where does Dr. Joseph C. Pennington practice?
Dr. Joseph Pennington has 9 office locations.
Dr. Joseph Pennington practices Cardiovascular Disease near Newark, DE.
Additional practice locations include: Middletown, DE and Wilmington, DE.
See Newark Cardiologists.