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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 (10)

The overall average patient rating of Dr. Wahid Kassar is Good. Dr. Kassar has been reviewed by 19 patients who have provided 10 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 3.7
Promptness 4.0
Courteous Staff 4.0
Accurate Diagnosis 3.6
Bedside Manner 3.3
Spends Time with Me 3.2
Follows Up After Visit 3.4

Specialties & Research

Dr. Wahid Kassar, MD is board certified in Endocrinology, Diabetes & Metabolism.

  • He has special expertise in 9 areas:
  • Diabetes
  • Diabetes Mellitus
  • Diabetes
  • Lipid Metabolism Disorders
  • Nutritional Support
  • Osteoporosis
  • Thyroid Diseases
  • Weight Loss
  • Weight loss (non-surgical)

Education & Awards

Dr. Kassar graduated from University Of Damascus.


Dr. Kassar has 5 hospital affiliations:

  • Central Dupage Hospital 
  • Edward Hospital 


  • Arabic

> > > > Dr. Wahid Kassar, MD

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Additional Information
Dr. Wahid Kassar MD is a male Internist, has 24 years of experience and practices in Endocrinology, Diabetes & Metabolism.
Where does Dr. Wahid Kassar practice?
Dr. Wahid Kassar has 4 office locations.
Dr. Wahid Kassar practices Endocrinology, Diabetes & Metabolism near Lisle, IL.
Additional practice locations include: Saint Charles, IL and Wheaton, IL.
See Lisle Endocrinologists.