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Cardiology at Walnut Creek Medical Center - Kaiser Permanente logo

Cardiology at Walnut Creek Medical Center - Kaiser Permanente

CardiologyWalnut Creek, CA

★★★★☆4.1/520 reviews across 3 platforms

Ratings by platform

  • U.S. News & World Report (Cardiologists): 5 out of 5 (13 reviews)
  • Healthgrades (Hospital): 68% (Not explicitly stated)
  • Healthgrades (Dr. John Krouse, Cardiologist): 2.5 out of 5 (6 reviews)
  • WebMD (Dr. Sushil Karmarkar, Cardiologist): 2 out of 5 (1 review)

What patients say

Patients praise

  • Professional and friendly staff members (nurses and physicians)
  • Coordinated care within a single system
  • Availability of diverse communication methods like e-visits and phone consultations
  • Some physicians noted for being compassionate and informative

Common complaints

  • Long wait times in emergency and intake areas
  • Concerns regarding billing practices and surprise charges
  • Occasional reports of unprofessional or dismissive doctor behavior
  • Challenges with parking access

In patients' words

"Dr. Shiu is a very compassionate and caring doctor. He really listens to his patients..."

Vitals.com review

"Doctor Krouse was being very ruled and unprofessional... His unprofessional behavior put extra stress on his parents."

Healthgrades review

"Between the extreme wait times, doctors who don’t take patients seriously, unnecessary procedures, and constant surprise bills, this has been one of the worst healthcare experiences of my life."

LocalityBiz review

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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