5.0 based on 17 reviewsView this provider's reviews
Patient satisfaction ratings and reviews are based on personal opinions. Before you choose any doctor you should take into account their background, training, specialized experience AND their patient satisfaction to ensure they are the right fit for you.
Dr. Hennessy's experience matches your search based on the following criteria:
Based on total number of patients treated over the last 12 months
Specializes in Internal Medicine
Board certified in Internal Medicine
Board actions found
Accredited by: American Board of Internal Medicine*
Malpractice Claims not available
Healthgrades does not collect malpractice information for Wisconsin.
Disciplinary action in another state (1/17/2013)
Action Taken: Reprimand
Summary: Hennessy, Donald MD: License # 036066606: NATURE OF COMPLAINT: The physician has been disciplined by the state of Wisconsin. ACTION TAKEN: The Illinois Department of Financial and Professional Regulation has issued a REPRIMAND on the physician’s medical license.
1 Board Action
Misprescribing or Overprescribing Drugs (9/19/2012)
Action Taken: License Reinstatement without Restrictions