Mercy Heart and Vascular Institute

Cardiology • Mason City, IA • Since 1989

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About

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). Contact: 800-622-1411 or 641-494-5403. Website: mcclinic.com.

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Clinic Type

Cardiology (multi-location group)

Address

Mason City Clinic, 250 S. Crescent Drive, Mason City, IA 50401; Albert Lea location at 2440 Bridge Ave, Albert Lea, MN 56007

Phone

641.494.5300

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://mcclinic.com/services/cardiology/

Services Offered

Cardiology
Congestive Heart Failure
Angina
Heart Attack
Heart Disease
Cholesterol
Heart Failure, Congestive Heart Failure
High Blood Pressure
Balloon Angioplasty
Cardiac Catheterization
Cardioversion
Electrocardiogram (ECG or EKG)
Implantable Cardioverter Defibrillator
Nuclear Stress Test

Insurance & Payment

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Languages Spoken

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Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Vitals (Dr. Byron T. Beasley): 4.8 out of 5 (22 ratings)
WebMD (Dr. Samuel Congello): 5.0 out of 5 (56 ratings)
Ratings.MD (Dr. Michael Fraizer): 4.9 out of 5 (136 ratings)
WebMD (Dr. James Reeder): 5.0 out of 5 (24 ratings)
Birdeye (Mason City Clinic overall): 4.8 out of 5 (1,132 reviews)

Patients praise

Professional and knowledgeable cardiologists
Doctors who listen to patient concerns and explain conditions clearly
Compassionate care and bedside manner
Confidence in medical expertise for managing complex heart conditions
Helpful and friendly office staff in many instances

Common complaints

Difficulty scheduling tests and follow-up appointments
Long wait times in offices
Feeling rushed during appointments
Communication issues regarding procedures or medication explanations
Confusion among staff or delays in internal communication

"Dr. Frazier genuinely listened to me gave me the care I needed. Made me feel like he really cared about me."

— Patient review of Dr. Michael Fraizer via Ratings.MD

"However, attempting to schedule the tests he recommended has been very frustrating and thus far, not scheduled."

— Patient review of Dr. Michael Fraizer via Ratings.MD

"My first experience with this doc, looking for help with 3rd stage heart failure. The doc spent 10 mins. Left room in a hurry. Waited for nurse. Referred to waiting room where ki waited for about 30 mins. Watched staff hurrying around, many seemed confused."

— Patient review of Dr. Christos Kassiotis via Ratings.MD

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. Own this clinic? Claim or correct this listing.