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Cardiology in Corona, CA

CardiologyCorona, CA

★★★★★4.8/548 reviews across 2 platforms

Ratings by platform

  • Healthgrades (Dr. Roberto Moscoso): 4.9 out of 5 stars (44 reviews) (44)
  • Healthgrades (Dr. Isaac Tsai): 3.8 out of 5 stars (4 reviews) (4)
  • Facebook (Inland Heart Doctors): 86% recommend (22 reviews)

What patients say

Patients praise

  • High satisfaction with individual physicians' diagnostic skills and clinical care
  • Instances of staff going above and beyond to accommodate urgent requests
  • Clean and well-maintained facilities in certain practices
  • Timely communication of test results in specific cases

Common complaints

  • Administrative issues, such as poor communication and scheduling difficulties
  • Staff unprofessionalism or perceived incompetence
  • Long wait times for appointments and during visits
  • Frustration regarding billing, insurance, or out-of-pocket payment policies
  • Concerns regarding the physical environment and maintenance of some office facilities

In patients' words

"A absolutely fantastic cardiologist... in my opinion the best!"

Healthgrades Patient Review

"Dr. Tsai is a good Dr. but the staff is a mess. They call to confirm your appointment much to early and confuse my elderly mother and my self."

Healthgrades Patient Review

"Dr. Is good but the office/phone system is horrible... The waiting room has old, scuffed and ripped furniture repaired with duct tape."

Yelp Patient Review

"Anna the office manager heard the distress in my voice... She made a special effort to get me in the next day. I was able to get all my questions answered and then some."

LocalityBiz Patient Review

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 10, 2026 — sources: [1][2][3][4][5][6].

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