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Mark Zittergruen
Patient Rating
4.9 / 5 (Based on 89 Reviews)

Mark Zittergruen, MD, FAAP, FACC, MBA

Specialties: Cardiology and Pediatric Cardiology

Schedule an Appointment

To schedule an appointment with Mark Zittergruen, please call 319-398-6650

Year joined staff: 2016

Education and Training

Education

University of Iowa College of Engineering, BS in Biomedical Engineering
University of Iowa Tippie College of Management, Masters in Business Administration
The University of Iowa College of Medicine, Doctor of Medicine

Residency

The University of Iowa Hospitals and Clinics

Fellowship

The University of Iowa Hospitals and Clinics

Professional Memberships

  • American Academy of Pediatrics, Fellow
  • American College of Cardiology, Fellow
  • American Heart Association
  • Linn County Medical Society
  • Iowa Medical Society
  • Alpha Omega Alpha
  • Tau Beta Pi (National Engineering Honor Society)

Honors, Awards, etc.

  • 2025 Nominee for Patient Advocate award
  • 2017 Winner, Colleague award
  • 2016 Nominee for Patient Advocate Award
  • 2016 Nominee for Mentor/Educator Award, one of Mercy's Annual Provider Awards

Certifications

  • American Board of Pediatrics
  • American Board of Pediatric Cardiology

Personal Interests

Dr. Zittergruen and his wife are the parents of five daughters and enjoy spending time with them at home and with their activities. He especially enjoys music and plays piano for Mass at his church. His hobbies include reading mystery novels, board games and puzzles, watching the Hawkeyes, and "pretending to be a gardener."

Patient Reviews

5.0
July 07, 2026
Dr Z has been incredible to our family since our first visit.
5.0
June 05, 2026
Dr. Zittergan is amazing! Very educational!
5.0
May 07, 2026
Very good doctor and nurses I felt comfortable and as they really care never once felt like the appt was rushed at all
5.0
December 10, 2025
Everyone was amazing and nothing felt rushed.
5.0
December 01, 2025
My husband and I were both very impressed with Dr. Zittergruen. I feel very comfortable trusting him with the care of our son!
5.0
August 18, 2025
I would recommend Dr. Zittergruen to anyone! He's always very friendly and excellent at explaining things and answering questions. You always feel like you are his most important patient.
5.0
July 22, 2025
Explained everything so well and was able to provide the care with ease
5.0
March 12, 2025
This doctor is always amazing and listens to any concerns we have. He really made my son feel at ease.
5.0
December 21, 2024
We love Dr Zittergruen. He is always friendly and concerned about changes .
5.0
November 18, 2024
Mark Zittergruen was, as always, kind, informative, considerate, and respectful.
5.0
August 20, 2024
Dr. Zittergruen is always patient and thorough in answering our questions.
5.0
August 20, 2024
Love Dr. Zittergruen. My only concern is that he may retire and I don't want that to happen..... Selfishly. :)
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Provider's Contact Information

Mercy Pediatric Cardiology Clinic website

Locations

Patient Stories

A Little Warrior's Big Battle

Hayley Ballew had a feeling something wasn't right as she nursed her newborn son, Carter, in September 2016. I could tell he was latching really well, but he had to let off to take a breath," the Marion mother of two remembers. Hayley and her husband, Eric, noticed Carter's head bobbed slightly with each breath and his chest retracted in unusual places. Read their story on page 6.