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William Zaks, MD,PhD,FACE

  • NPI Number: 1437249307
  • Primary Specialties: Diabetes, Endocrinology, Internal Medicine


William Zaks, MD, PhD, FACE, specializes in endocrinology, diabetes and metabolism at Altru Health System. Outside of work, he enjoys fishing, birding, chess and going to his grandchildren's sporting events.

Professional Memberships

American Diabetes Association (ADA), American Association of Clinical Endocrinologists (AACE), Chair of Altru Institutional Review Board, Associate Clinical Professor of Medicine, University of North Dakota School of Medicine and Health Sciences

Philosophy of Medicine

"I am motivated by the intellectual challenge and personal gratification of helping others stay healthy. I practice medicine because I wanted a science-based, mentally challenging career, with the opportunity to interact with and help people directly."

Locations Altru Family Medicine Center
  • Medical School
  • University of Virginia
    Charlottesville, VA
  • Internship
  • Barnes Hospital
    St. Louis, MS
  • Residency
  • Washington University
    St. Louis, MO
  • Fellowship
  • Endocrinology, Diabetes and Metabolism Barnes Hospital
    St. Louis, MO
Medical Interests Special Clinical Interests:
  • Diabetes
  • Thyroid disease with thyroid biopsies
  • General endocrine problems
122 Patient Satisfaction Ratings

Our Patient Satisfaction Rating is an average of all responses to care provider related questions from our nationally-recognized Press Ganey Patient Satisfaction Survey. Learn more

Responses are measured on a scale of 1 to 5 with 5 being the best score.

Overall Rating

4.6 out of 5
4.6 out of 5 Stars

Access to Timely Care


4.8 out of 5 Stars

Communicates Clearly


4.6 out of 5 Stars

Time with Provider is Meaningful


4.5 out of 5 Stars

Listens Well and is Respectful


4.5 out of 5 Stars


Reviews are collected from our patient experience survey results. Comments may be edited or omitted in some instances, for example to remove protected health information or a reference to irrelevant information. We do not alter any information that would change the meaning or sentiment of the comment.

  • 08/08/2023

    Everything went well at my appointment

    Rating: 5
  • 07/14/2023

    Dr. Zaks has been very good about my care.

    Rating: 5
  • 05/29/2023


    Rating: 5
  • 05/07/2023

    The last two times I have seen the Dr I have felt dismissed.

    Rating: 3.25