Cardiology Doctors near Walnut Creek - John Muir Health
Cardiology • Walnut Creek, CA • Since 1996
About
Summary: - John Muir Health operates in Walnut Creek, CA, with a large physician network including John Muir Medical Group (JMMG), founded in 1996 and now comprising 350+ clinicians across primary care and hospital-based services. - For cardiology needs, JMMG is part of the John Muir Physician Network and the broader John Muir Health system. While the provided content emphasizes primary care, hospitalists, urgent care, and a wide network of sites, it does not list specific cardiology doctors. - Key details: Privately held, headquarters in Walnut Creek, CA; integrated system of doctors, hospitals, and services; established 1996; extensive care sites from Brentwood to Berkeley and Concord to Livermore.
Clinic Type
Cardiology
Address
1450 Treat Blvd, Walnut Creek, California, US
Phone
925-947-3336
orthopedics@johnmuirhealth.com
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Insurance & Payment
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Languages Spoken
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Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- 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)
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
"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. ChangSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
Information sourced from the clinic's website as of July 10, 2026.
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