See All Adolescent Psychiatrists & Pediatric Psychiatrists in Marshfield, WI
Dr. Mary Hennessy, MD

Dr. Mary Hennessy, MD

Age 66 Child & Adolescent Psychiatry F
(2) 2 reviews
Accepting New Patients


Dr. Mary Hennessy, MD is a child & adolescent psychiatry specialist in Marshfield, WI. Dr. Hennessy completed a residency at Inst Living. She currently practices at Marshfield Clinic Health System. She accepts multiple insurance plans. Dr. Hennessy is board certified in Child & Adolescent Psychiatry.


  • Inst Living-Hartford Trng C, Fellowship Hospital — 1988
  • Inst Living, Residency Hospital — 1987

Insurance Accepted

  • Aetna
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Blue Cross Blue Shield
  • CareFirst Blue Cross Blue Shield
  • Cigna
  • First Health (Coventry Health Care)
  • MultiPlan

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Frequently Asked Questions

Dr. Hennessy frequently treats Conduct Disorder, Emotional Disturbances of Childhood and Adolescence , and Anxiety.  

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  1. Marshfield Clinic Health System

    1. 1
      Mchs Hospitals Inc.
      1000 N Oak Ave, Marshfield, WI 54449 (715) 387-5511