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Internist, Cardiologist (heart)
34 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

3.5
  •  
(8)
Patient comments (1)

The overall average patient rating of Dr. James Ostrenga is Good. Dr. Ostrenga has been reviewed by 8 patients who have provided 1 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
  •  
Promptness 3.7
  •  
Courteous Staff 3.3
  •  
Accurate Diagnosis 3.7
  •  
Bedside Manner 3.3
  •  
Spends Time with Me 3.3
  •  
Follows Up After Visit 3.9
  •  

Specialties & Research

Dr. James Ostrenga, MD is board certified in Internal Medicine and Cardiovascular Disease.

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

Education & Awards

Dr. Ostrenga graduated from University of Illinois at Chicago.


Affiliations

Dr. Ostrenga has 6 hospital affiliations:

  • Macneal Memorial Hospital 
  • Advocate Good Samaritan Hospital 

> > > > Dr. James Ostrenga, MD

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Additional Information
Dr. James Peter Ostrenga MD is a male Internist, has 34 years of experience and practices in Internal Medicine and Cardiovascular Disease.
Where does Dr. James P. Ostrenga practice?
Dr. James Ostrenga has 4 office locations.
Dr. James Ostrenga practices Internal Medicine and Cardiovascular Disease near Naperville, IL.
Additional practice locations include: Winfield, IL and Lisle, IL.
See Naperville Internists and Naperville Cardiologists.