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Cardiology Care - Congestive Heart Failure Mason City, IA ...

CardiologyOskaloosa, IA

★★★★★4.9/5111 reviews across 3 platforms

Ratings by platform

  • RateMDs (Dr. Samuel Congello): 5.0/5 stars (54 reviews)
  • Healthgrades (Dr. Samuel Congello): 4.9/5 stars (50 ratings)
  • Healthgrades (Dr. John Pargulski): 3.9/5 stars (7 ratings)

What patients say

Patients praise

  • Professional, thorough, and attentive care
  • Clear explanations of conditions and treatment plans
  • Compassionate and kind staff interactions
  • Positive patient outcomes and life-saving interventions

Common complaints

  • Rudeness from staff or providers
  • Long wait times
  • Poor communication regarding condition and treatment plans
  • Difficulty scheduling appointments

In patients' words

"Dr. Congello spent all the time I needed. Very thorough. Had record so he could compare last test to recent tests. Explains well. Answerd all my questions. He is the best!! Genuinely cares for his patients."

RateMDs

"Doctor was the rudist person I have ever dealt with, wondered why I was there. He was also 30 minutes late. Do yourself a favor and find a different cardiologist."

Healthgrades

"They were all very professional, kind, and patient. They did an excellent job of explaining what was about to happen and of answering my questions. Excellent!!!"

Mahaska Health testimonial

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7].

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