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Cardiologists in Houston, Pearland, Sugar Land, Richmond ...

CardiologyHouston, TX

★★★★★4.8/5265 reviews across 4 platforms

Ratings by platform

  • UT Physicians: 4.9/5 (164 ratings)
  • Birdeye: 4.8/5 (27 reviews)
  • Healthgrades: 4.6/5 (67 ratings)
  • Healthgrades: 5.0/5 (7 reviews)
  • Birdeye: Varied (51 reviews)

What patients say

Patients praise

  • Physicians described as knowledgeable, thorough, and expert in their field
  • Patients reporting successful outcomes and feeling reassured by clinical expertise
  • Physicians who take the time to listen and clearly explain complex medical conditions/treatment plans
  • Compassionate and professional behavior from the doctors themselves, even when office support is criticized

Common complaints

  • Unresponsive or incompetent administrative/office staff (e.g., failure to return calls, appointment scheduling errors, long wait times)
  • Appointments feeling rushed or the physician seeming inattentive/distracted during visits
  • Long waiting room times, sometimes exceeding two hours
  • Difficulty securing timely appointments or frequent cancellations by the practice
  • Perceived lack of bedside manner or dismissive communication style in some instances

In patients' words

"Dr. Khan is very thorough and takes the time to explain everything clearly. I felt confident in my treatment plan from the first visit."

Patient review for Dr. Zaka Khan

"Dr. Nishikawa has been my cardiologist for about 15 years... The singular complaint that I have is that he is chronically over booked and that wait times are excessive."

Patient review for Dr. Akira Nishikawa

"Nothing ruins the practice of a good doctor like having poor staffing."

Patient review for Dr. John C. Isaac

"Dr. John and her office staff are horrible. I have tried to get back in to see her and have not received any return phone calls."

Patient review for Dr. Cindy John

How these reviews were compiled

Synthesized from public patient-review platforms as of Jul 11, 2026 — sources: [1][2][3][4][5][6][7][8].

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