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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).

Learn more about Dr. Leonard Quallich:

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Specialties & Research

Dr. Leonard Quallich, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 5 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Quallich graduated from University of Cincinnati.


Dr. Quallich has 5 hospital affiliations:

  • Southwest General Health Center 
  • Parma Community General Hospital 

> > > > Dr. Leonard Quallich, MD

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Additional Information
Dr. Leonard George Quallich MD is a male Internist, has 39 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Leonard G. Quallich practice?
Dr. Leonard Quallich has 1 office location.
Dr. Leonard Quallich practices Internal Medicine and Gastroenterology near Cleveland, OH.
See Cleveland Internists and Cleveland Gastroenterologists.