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Mercy Heart and Vascular Institute

Cardiology • Mason City, IA • Since 1989

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). 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.

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.

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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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.

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