MercyOne North Iowa Heart Center
Cardiology • Mason City, IA • Since 1998
About
MercyOne North Iowa Heart Center in Mason City is part of MercyOne, a nonprofit Catholic health system headquartered in Des Moines, Iowa. The center offers heart and cardiovascular services as a component of MercyOne’s statewide care network. MercyOne provides orthopedics, cardiology, online patient portal access (medical records, test results, appointments), and annual no-cost adult exams. MercyOne operates 19 U.S. offices (primarily in Iowa) and is owned by Trinity Health. For Mason City specifics, you can contact MercyOne North Iowa facilities or visit mercyone.org to find the Mason City location and its heart services.
Clinic Type
Cardiology
Address
250 S. Crescent Drive, Suite M2600, Mason City, IA 50401
Phone
1641-494-5300
todd.mizener@mercyone.org
Opening Hours
8:00am - 5:00pm
Telehealth
Available (virtual visits)
Services Offered
Team
Insurance & Payment
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Languages Spoken
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FAQs
What services are offered at MercyOne North Iowa Heart Center?
Heart and Vascular Care, Heart Care, Cardiothoracic Surgery, Vascular Surgery
Do they offer virtual visits?
Yes, they offer telehealth/virtual visits.
What providers are at this location?
Sepideh Darbandi, DO; Michael Sarik, DO; Komal Kapoor, MD; Nicole Sheffield, ARNP; Adam Hoffmann, DO; Jashan Gill, MD.
Social Media
Photos






What Patients Say
Overall sentiment across review platforms: positive
- Healthgrades: 56% patient experience rating (N/A)
Patients praise
- Lifesaving medical interventions
- Highly skilled and approachable cardiologists
- Clear communication from medical staff
- Convenient access to high-level care
Common complaints
- Patient experience rating reported as lower than national average
"Dr. Congello is excellent. He is very easy to get along with. He explains things in the way I can understand it. I know Dr. Congello and Jennifer have saved my life a couple of times."
— Harold Lewis (Patient Story)"They run a tight ship and I was so well taken care of. A surprise to me was I got to see a lot of the kids I worked with or knew from the schools who are now nurses."
— Kevin (Patient Story)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- MercyOne recognized by the American Heart Association for providing high-quality cardiovascular and stroke care — Aug 6, 2025
- MercyOne performs its first implantation of Barostim device to treat advanced heart failure | MercyOne — Feb 2, 2026
- Dr. Denisa L. Hagau, MD - Cardiologist in Algona, IA — May 14, 2026
- Dr. Robert Ruelaz, MD - Cardiologist in Forest City, IA — May 14, 2026
- MercyOne highlights critical differences in heart attack symptoms for women | MercyOne — Feb 18, 2026
Information sourced from the clinic's website as of July 11, 2026.
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Mason City Clinic is a multispecialty medical practice based in Mason City, Iowa, established in 1989. It offers a range of services including cardiology (notably heart failure management), bariatric surgery, allergy, orthopedics, neurology, and psychiatry across offices in northern Iowa and southern Minnesota (4 U.S. offices, HQ at 250 S Crescent Dr, Mason City). The private partnership employs about 39 staff and generates roughly $1.1M in annual revenue. Contact: 800-622-1411 or 641-494-5403. Website: mcclinic.com.
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