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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 (9)

The overall average patient rating of Dr. William Dam is Good. Dr. Dam has been reviewed by 32 patients who have provided 9 comments. The rating is 3.5 out of 5 stars.

Patient Ratings
Ease of Appointment 4.0
Promptness 3.5
Courteous Staff 3.9
Accurate Diagnosis 3.4
Bedside Manner 3.2
Spends Time with Me 3.2
Follows Up After Visit 2.9

Specialties & Research

Dr. William Dam, MD is board certified in Internal Medicine.

Education & Awards

Dr. Dam graduated from University of Illinois at Chicago.


Dr. Dam has 5 hospital affiliations:

  • Memorial Medical Center-Woodstock 
  • Advocate Good Shepherd Hospital 

> > > > Dr. William Dam, MD

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Additional Information
Dr. William Cornelius Dam MD is a male Internist, has 41 years of experience and practices in Internal Medicine.
Where does Dr. William C. Dam practice?
Dr. William Dam has 1 office location.
Dr. William Dam practices Internal Medicine near Ingleside, IL.
See Ingleside Internists.