Photo of Denisa Hagau, MD

Denisa Hagau, MD

Cardiology

Provider Ratings

4.9 out of 5 (32 ratings)

Primary Contact

641-494-5300
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Primary Contact
641-494-5300
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About

Denisa Hagau, MD, specializes in cardiology at MercyOne North Iowa Heart Center. Her clinical interests include preventive cardiology, treatment of coronary artery disease, congestive heart failure, atrial fibrillation and valvular heart disease. She also has a special clinical interest in the management of heart disease in women and echocardiography.

Services & Specialties

Areas of Specialization

  • Cardiology

Locations & Contact

Primary Location

MercyOne North Iowa Heart Center

250 S. Crescent Drive
Suite M2600
Mason City, IA 50401

View hours
Monday
8:00am - 5:00pm
Tuesday
8:00am - 5:00pm
Wednesday
8:00am - 5:00pm
Thursday
8:00am - 5:00pm
Friday
8:00am - 5:00pm
MercyOne North Iowa Heart Center
641-494-5300 View Details
Request an Appointment

Education & Certifications

Education

Medical School:
University of Medicine and Pharmacy “luliu Hatieganu,” Romania, MD (2006)

Board Certifications

American Board of Internal Medicine

Provider Ratings

The following ratings and reviews are based on verified feedback collected from independently administered patient experience surveys. The ratings and comments submitted by patients reflect their own views and opinions. Patient identities are withheld to ensure confidentiality and privacy. Learn More >

4.9 out of 5

(32 ratings)

The Patient Satisfaction Rating is an average of all responses to the care provider related questions shown below from our survey. Patients that are treated in outpatient or hospital environments may receive different surveys, and the volume of responses will vary by question.

6 Reviews

07/20/2026

She is the best there is for me,!

07/01/2026

Excellent - explained everything clearly. Very knowledgable and competent.

05/28/2026

Very much enjoyed felt she really listened and cared for me.

05/26/2026

She gives you all of the time that you need. ,please keep her. She is a doctor that you can respect and count on.please.

05/19/2026

She is an EXCELLENT DR.

05/18/2026

She explained things I could understand
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