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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 (0)

The overall average patient rating of Dr. Ernest Siwik is Good. Dr. Siwik has been reviewed by 5 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 5.0
Promptness 5.0
Courteous Staff 5.0
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Ernest Siwik, MD is board certified in Pediatric Cardiology.

  • He has special expertise in 2 areas:
  • Congenital Heart Defects
  • Congenital Heart Disease (Patent Ductus Arteriosus)

Education & Awards

Dr. Siwik graduated from Wayne State University, Detroit.


Dr. Siwik has 17 hospital affiliations:

  • Firelands Reg Med Ctr-Main Campus 
  • University Hospitals of Cleveland 


  • English

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Additional Information
Dr. Ernest S Siwik MD is a male Pediatric Cardiologist, has 23 years of experience and practices in Pediatric Cardiology.
Where does Dr. Ernest S. Siwik practice?
Dr. Ernest Siwik has 6 office locations.
Dr. Ernest Siwik practices Pediatric Cardiology near Twinsburg, OH.
Additional practice locations include: Cleveland, OH and Strongsville, OH.
See Twinsburg Pediatric Specialists.