Gastroenterology Doctors near Concord | John Muir Health
Gastroenterology • Concord, CA • Since 1996
About
Summary: The John Muir Medical Group is a privately held network of more than 350 clinicians (founded in 1996) affiliated with John Muir Health. It provides primary care and supports a robust hospitalist program, urgent care, and over 35 continuity care sites across the Bay Area (from Brentwood to Berkeley and Concord to Livermore). While the page focuses on the Medical Group’s scope, it highlights its role within John Muir Health’s integrated system and commitment to high-quality, compassionate care for patients and support for physicians, nurse practitioners, and physician assistants. Note on your query: The page does not specifically list gastroenterology doctors near Concord. For gastroenterology specialists in Concord within John Muir Health, you may want to consult John Muir Health’s gastroenterology directory or contact the Concord location for GI physician availability.
Clinic Type
Gastroenterology
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
- Healthgrades / US News & World Report: 3 out of 5 stars (for patient experience at John Muir Medical Center Concord) (Not explicitly provided as a total count, though hospital ranks 11% higher than the national average for patient recommendations)
- Healthgrades: 4.13 out of 5 stars (for Dr. Kanwar Gill) (Based on limited patient reviews)
- Healthgrades: 3.8 out of 5 stars (for Dr. Matthew Chin) (6 ratings)
Patients praise
- significant percentage of patients willing to recommend the medical center (approx. 76%–89%)
- some gastroenterologists viewed as knowledgeable, thorough, and reassuring by specific patients
- high hospital ratings for certain clinical outcomes like gastrointestinal surgery and lack of surgical complications
Common complaints
- reports of difficult or unresponsive phone communication with medical offices
- concerns regarding physician bedside manner, including perceived arrogance, rudeness, or being dismissive of patient concerns
- allegations of poor communication about medical procedures and post-operative follow-up
"Dr. Gill is an excellent physician, but it is impossible to contact his office by telephone."
— Healthgrades review of Dr. Kanwar Gill"My experience with Dr. Chin over the last 2 years has been horrible... he lied to me about what happened after a severe bleed... I would ask for explanations... he would down play it."
— Healthgrades review of Dr. Matthew Chin"I'm an old bird (77) with plenty of hospital miles on me and I want everyone to know how fantastic Dr. Gill, and John Muir Walnut Creek, and John Muir Concord are because many of us don't trust doctors or hospitals anymore. All A+++ here."
— Healthgrades review of Dr. Kanwar GillSynthesized from public review platforms as of Jul 10, 2026 — sources: [1][2][3][4].
In the News
- Dr. Philip Yee, MD, Gastroenterologist | San Ramon, CA | WebMD — Aug 25, 2025
- Dr. Ayesha Zahiruddin, MD - Gastroenterologist in San Leandro, CA — May 14, 2026
- Dr. Courtney B. Sherman, MD - Gastroenterologist in Berkeley, CA — May 14, 2026
- Dr. John B. Hiss, MD - Internal Medicine Physician in Concord, CA — May 14, 2026
- Dr. Lavinia Herbei, MD - Internal Medicine Physician in Concord, CA — May 14, 2026
Information sourced from the clinic's website as of July 10, 2026.
More gastroenterology clinics in Concord
GI Group is a gastroenterology clinic in Concord, CA, located at 2222 East Street, Suite 300. The clinic offers gastroenterology services and is part of BASS Medical Group, a multi-specialty medical group providing comprehensive healthcare across California. The clinic has gastroenterology providers accepting new patients.
Emerson Endoscopy & Digestive Health Center is a small Concord, MA-based gastroenterology and GI endoscopy clinic focused on compassionate, high-quality specialty care. Key points: - Location: Concord, Massachusetts; homepage emersondigestivecenter.com - Services: Gastroenterology and gastrointestinal endoscopy; emphasis on patient comfort and safety - Staff: 3 employees; Director of Nursing: Shaelyn Beaudoin BSN - Notable details: Board-certified, fellowship-trained clinicians; a “compassionate medicine” approach - Web presence: Monthly ~1,751 visits (growth +13.7% MoM, +45.9% YoY); bounce rate 0.4%; 1.6 pages/visit - Contact: Phone numbers (978) 776-1750 and (978) 776-1710 - Additional context: Small practice with local affiliations in the U.S.; primary audience appears to be patients in the United States If you’re seeking GI endoscopy services in Concord, this center presents as a focused, patient-centered option with a small, dedicated team. For more details, visit their site.
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