Cardiology at Walnut Creek Medical Center - Kaiser Permanente
Cardiology • Walnut Creek, CA
Clinic Type
Cardiology
Address
1425 S Main St, Medical Office Building, 1st Floor, Walnut Creek, CA 94596
Phone
925-295-4050
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Opening Hours
Monday through Friday, 8:30 a.m. to 5 p.m.
Emergency Care
For emergencies call 911 (not specified in document); general assistance numbers provided (1-800-464-4000, TTY 711)
Services Offered
Insurance & Payment
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Information updated periodically; provider directory hard copy available by request (see Medicare/Medi-Cal notes)
Languages Spoken
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FAQs
The information in this online directory is updated periodically. The availability of physicians, hospitals, providers, and services may change.
Information about a practitioner is provided to us by the practitioner or is obtained as part of the credentialing process. If you have questions, please call us at 1-800-464-4000 (toll free). For the hearing and speech impaired: 1-800-464-4000 (toll free) or TTY 711(toll free). You can also call the Medical Board of California at 916-263-2382, or visit.
Social Media
Photos


What Patients Say
Overall sentiment across review platforms: mixed
- 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)
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
"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 reviewSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Dr. Prabina Shrestha, Family Physician | Walnut Creek, CA | WebMD — Sep 16, 2025
- Upgraded hemorrhage carts optimizing emergency hemorrhage care for postpartum patients | KP Walnut Creek Medical Center Hospital Annual Nursing Report 2025 | Kaiser Permanente — Jan 25, 2026
- Marquis Who's Who Recognizes David R. Anderson, MD, for Excellence in Health Care — Jul 25, 2025
- BLS/CPR Certification Walnut Creek CA | Contra Costa | Project Heartbeat — Oct 27, 2025
- Dr. Lauren Ng, MD - Internal Medicine Physician in Antioch, CA — May 14, 2026
Information sourced from the clinic's website as of July 11, 2026.
More cardiology clinics in Walnut Creek
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. - If you’re seeking cardiologists near Walnut Creek under John Muir Health, consider contacting John Muir Health or visiting their physician directory for cardiology specialists within the JMMG or John Muir Health network. - 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. If you’d like, I can search for the current cardiology physicians affiliated with John Muir Health in Walnut Creek and provide names, locations, and office contact details.
Stanford Medicine Children's Health Cardiology in Walnut Creek offers pediatric cardiology services as part of Stanford’s broader pediatric and obstetric care network. Key points: - Part of Stanford Medicine Children’s Health, with Lucile Packard Children’s Hospital Stanford at its core. - Nationwide reach with clinics across Northern California and beyond; connected to a large pediatric specialty network. - Current job openings include multiple roles across specialties (e.g., Cardiology NP/PA, radiology, nursing, social work, analytics), indicating active clinical operations and support services. - Services emphasize comprehensive pediatric care, including treatment of rare and complex conditions, well-child care, and multidisciplinary teams. If you’re seeking specific cardiology services in Walnut Creek (e.g., pediatric cardiology evaluations, tests, or procedures), please specify (e.g., appointment availability, exact location address, or contact information) for a more targeted answer.
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See other cardiology clinics in Walnut Creek, or search the full directory by insurance, ratings, and more.

