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Cardiology Doctors near Walnut Creek - John Muir Health

CardiologyWalnut Creek, CA

★★★★☆4.3/5110 reviews across 5 platforms

Ratings by platform

  • U.S. News & World Report (Dr. Richard M. Chang): 5/5 (based on 45 reviews) (45 reviews)
  • WebMD (Dr. Richard Chang): 4.5/5 (based on 15 ratings) (15 ratings)
  • Healthgrades (Dr. Paul Ho): 1.7/5 (based on 17 reviews) (17 reviews)
  • Healthgrades (Dr. Matthew Devane): 3.5/5 (based on 8 reviews) (8 reviews)
  • U.S. News & World Report (Dr. Andrew J. Benn): 5/5 (based on 25 ratings) (25 ratings)

What patients say

Patients praise

  • High patient satisfaction and recommendation rates for certain highly-rated cardiologists
  • Praise for thoroughness, clarity in explanations, and caring bedside manner among top-rated providers
  • Effective communication and responsiveness mentioned by satisfied patients
  • Professionalism and accessibility of some cardiology staff and facilities

Common complaints

  • Reports of unprofessional, rude, or condescending behavior by some cardiologists and staff
  • Concerns regarding lack of thoroughness in examinations and communication
  • Allegations of dismissive attitude toward patient concerns and history
  • Reports of uncomfortable clinical experiences and inefficient office processes
  • General complaints regarding organizational communication and privacy concerns within the broader hospital system

In patients' words

"He kept yelling to me “you are not listening” when I asked clarification questions. His unprofessional behavior put extra stress on his parents."

Patient review for Dr. John Krouse on Healthgrades

"He takes the time to answer all questions and is the last one out of the exam room, meaning he has never left the room before he knows we're all set. So unlike many other doctors we know."

Patient review for Dr. Matthew Devane on Healthgrades

"Makes Time For Patients, Listens Attentively, Performs Thorough Exams, Great Bedside Manner."

U.S. News & World Report patient experience summary for Dr. Richard M. Chang

How these reviews were compiled

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

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