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Clinic Type

Gastroenterology

Address

Phone

855-398-1633

Email

S3ContactCenterCBO@sutterhealth.org

Opening Hours

Not published — contact the clinic to confirm hours.

Services Offered

Insurance & Payment

Languages Spoken

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Vitals: 4.4 out of 5 stars (Vitals) (22 ratings)
  • US News & World Report: 4 out of 5 stars (US News) (47 reviews)

Patients praise

  • Compassionate and thorough care from individual physicians
  • Good bedside manner and willingness to answer questions
  • Effective communication and diagnosis of digestive conditions

Common complaints

  • Billing and insurance verification issues
  • Difficulty scheduling appointments and long wait times
  • Concerns over the necessity and cost of procedures (e.g., colonoscopies)
  • Reports of impersonal or dismissive communication from staff or clinicians

"Dr. Entwisle is not only an excellent doctor, but he’s also got very good bed side manners. My stomach is all kinds of messed up, but dr. Entwisle makes me feel like he is on my side."

Unilocal Review

"My issue is with their billing and scheduling. I had a CT scan that their staff did not verify my health insurance and just assumed that they would not have to do pre authorization."

Better Business Bureau Review

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

Information sourced from the clinic's website as of July 10, 2026.

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Livermore, CA·Gastroenterology

Summary: John Muir Medical Group (part of John Muir Health) is a private Hospitals and Health Care network based in Walnut Creek, CA, comprising over 350 clinicians. It provides primary care through the John Muir Physician Network Foundation and supports a hospitalist program, urgent care, and 35+ continuity care sites across the region (Brentwood to Berkeley, Concord to Livermore). While focused on primary care and overall health system integration, the page highlights nationwide services and the organization’s commitment to high-quality, compassionate care. The specific page is geared toward physicians and may not list gastroenterology specialists; for GI doctors near Livermore, contact John Muir Health Livermore facilities or search within the John Muir Health gastroenterology network.

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