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About

MercyOne Iowa Heart Center in Iowa City is part of the MercyOne health system (a nonprofit under Trinity Health). The MercyOne network provides cardiology services across Iowa, including heart-related care at affiliated hospitals and clinics. For Iowa City specifically, you’d typically access MercyOne’s cardiology/heart center through Mercy Iowa City or nearby MercyOne locations in the Des Moines/central Iowa region, with options for appointments, online medical records, test results, and information on cardiac programs. If you’re seeking: - Cardiology/heart center in Iowa City: Check Mercy Iowa City’s cardiology department or MercyOne’s Iowa contact pages for the closest heart specialists. - Online access: Use MercyOne’s patient portal to view records, test results, and schedule appointments. - Contact: MercyOne patient services or Mercy Iowa City clinics can provide appointment availability and directions.

Clinic Type

Heart and Vascular

Address

411 Laurel St. Suite A250, Des Moines, IA 50314

Phone

515-633-3600

Email

todd.mizener@mercyone.org

Opening Hours

8:00am - 4:30pm

Services Offered

  • Comprehensive cardiovascular care
  • Advanced imaging
  • Heart rhythm management
  • Valve & structural heart disease
  • Heart and vascular surgery
  • Advanced heart failure management
  • Cardiac rehabilitation
  • Prevention and wellness
  • Iowa Heart Research Center
  • Vein Center
  • Vascular surgery
  • Watchman/Lariat – left atrial appendage occlusion
  • ECMO
  • TAVR
  • LVAD
  • EKG/ECG
  • EPS
  • Pacemaker implantation
  • Coronary artery bypass
  • Angioplasty
  • Stenting
  • Holter monitoring
  • Stress testing
  • Echocardiography
  • Transcatheter procedures
  • Valvular surgery/repair
  • Valve replacement

Technology & Equipment

  • Echocardiography
  • ECMO
  • TAVR
  • LVAD
  • Watchman/Lariat
  • EKG/ECG
  • EPS
  • Interventional radiology
  • Minimally invasive heart valve surgery
  • Nuclear cardiography
  • MAGNETIC resonance angiography
  • Stenting
  • Angioplasty
  • Pacemakers/ICD

Team

  • Board-certified cardiologists — Cardiologists
  • Interventional cardiologists — Interventional Cardiologists
  • Electrophysiologists — Electrophysiologists
  • Cardiac and vascular surgeons — Surgeons

Insurance & Payment

—

Languages Spoken

—

FAQs

What are the hours of operation?

8:00am - 4:30pm (hours listed for MercyOne Iowa Heart Center locations).

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Birdeye (Ames location): 2.7/5 stars (20 reviews)
  • Birdeye (Des Moines location): Not specified (poor sentiment noted) (23 reviews)
  • BestProsInTown (West Des Moines location): Not specified (positive sentiment noted) (35 reviews)
  • MercyOne Provider Page (Dr. Matthew McCormick): Not specified (mostly positive individual provider feedback) (58 reviews)

Patients praise

  • High appreciation for the competence, attentiveness, and compassion of individual doctors and medical staff
  • Positive outcomes for complex cardiac procedures and long-term condition management
  • Clear explanations of medical steps, procedures, and conditions by providers when in-person
  • Professionalism of clinical staff during exams and consultations

Common complaints

  • Significant difficulty reaching staff via telephone, including disconnected calls and lack of responsiveness
  • Long wait times for appointments and delays in scheduling critical procedures
  • Communication gaps, particularly with the patient portal, call centers, or when consulting across different clinic locations
  • Frustration with bureaucratic processes, such as needing to repeat tests or difficulty changing appointments

"Phone system is horrible. Not uncommon to be disconnected when you almost get a human... Care is good...if you can get past the above."

— Birdeye (Ames location)

"Doctor McCormick is great but if I call Mercy One Heart Center to try to make a change in my appointment it's most difficult to get to the appointment desk."

— MercyOne Provider Page (Dr. Matthew McCormick)

"Communication between myself and my family with the doctors and the nurses was excellent."

— MercyOne patient story

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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