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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. Mark Leischner is Good. Dr. Leischner has been reviewed by 1 patients who have provided 0 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 3.0
Bedside Manner 4.0
Spends Time with Me 4.0
Follows Up After Visit 4.0

Specialties & Research

Dr. Mark Leischner, MD is board certified in Internal Medicine and Nephrology.

  • He has special expertise in 8 areas:
  • Allergy
  • Asthma
  • Dermatitis
  • Diabetes
  • Food Allergy (Hypersensitivity)
  • Kidney Disease
  • Kidney Stones (Kidney Calculi)
  • Pulmonary Function Test

Education & Awards

Dr. Leischner graduated from Loyola University Chicago, Maywood.


Dr. Leischner has 22 hospital affiliations:

  • West Suburban Medical Center 
  • Advocate Bethany Hospital 


  • English

> > > > Dr. Mark Leischner, MD

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Additional Information
Dr. Mark Paul Leischner MD is a male Internist, has 10 years of experience and practices in Internal Medicine and Nephrology.
Where does Dr. Mark P. Leischner practice?
Dr. Mark Leischner has 2 office locations.
Dr. Mark Leischner practices Internal Medicine and Nephrology near Chicago, IL.
See Chicago Internists and Chicago Nephrologists.