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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).

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Specialties & Research

Dr. John Haaga, MD is board certified in Diagnostic Radiology.

  • He has special expertise in 22 areas:
  • Abdominal Cancer
  • Adenoma (Warthin's tumor)
  • Angiography
  • Biliary Tract Diseases
  • Colorectal Cancer
  • Gallstones (Cholelithiasis)
  • Infarction
  • Interventional Radiography
  • Kidney Cancer
  • Kidney Disease
  • Kidney Stones (Kidney Calculi)
  • Liver Cancer
  • Liver Diseases
  • Lung Cancer
  • Lung Diseases
  • Mediastinum Cancer (Mediastinal Neoplasm)
  • Pancreas inflammation (Pancreatitis)
  • Pancreatic Cancer
  • Pancreatic Cyst
  • Pancreatic Diseases
  • > Show all expertise

Education & Awards

Dr. Haaga graduated from The Ohio State University , Columbus. He has 4 awards.

One of America's Leading Experts on:
Liver Cancer (Liver Neoplasm)
Liver Diseases
Pancreatic Cancer (Pancreatic Neoplasm)
Pancreatic Diseases


Dr. Haaga has 7 hospital affiliations:

  • UH Conneaut Medical Center 
  • University Hospitals Geneva Medical Center 

> > > > Dr. John Haaga, MD

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Additional Information
Dr. John Haaga MD is a male Diagnostic Radiologist, has 41 years of experience and practices in Diagnostic Radiology.
Where does Dr. John Haaga practice?
Dr. John Haaga has 2 office locations.
Dr. John Haaga practices Diagnostic Radiology near Cleveland, OH.
See Cleveland Radiologists.