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Clinic Type

Orthopedics

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

Awards & Accreditations

  • https://www.sutterhealth.org/about-us/awards

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • U.S. News & World Report (Dr. Adam G. Brooks): 5/5 (55)
  • U.S. News & World Report (Dr. Craig M. Wiseman): 5/5 (51)
  • U.S. News & World Report / Vitals (Dr. Sumner Seibert): 3/5 (18 (U.S. News) / 3 (Vitals))

Patients praise

  • Good bedside manner and encouraging approach
  • Demonstrated medical knowledge and diagnostic accuracy
  • Clear communication regarding procedures and risks

Common complaints

  • Billing and insurance processing issues
  • Difficulty with appointment scheduling and long wait times
  • Dissatisfaction with administrative responsiveness

"He told me the facts and risks of surgery in general as well as knee surgery specifically. He was very gentle and encouraging, also very knowledgeable and honest."

Patient review of Dr. Sumner Seibert on Vitals

"My issue is with their billing and scheduling. I had a CT scan that their staff did not verify my health insurance... Sutter refused to submit this and now we are out thousands of dollars."

Sutter Health customer review on BBB

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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Antioch, CA·Orthopedics

VerifiedOnline booking
Antioch, CA·Orthopedics

Summary: BASS Medical Group is a large physician-owned, physician-directed healthcare organization based in Walnut Creek, CA, with over 300 providers across 200 locations and 42 specialties. They emphasize patient-centered care and integrated services, including orthopedic care as part of their specialty offerings. The group operates in Northern California (including Walnut Creek) and maintains three offices nationwide (all in the United States). For orthopedic needs, BASS Medical Group likely offers orthopedic clinicians and related services within its specialty roster, under a physician-led, community-based model. If you’re specifically seeking orthopedic surgeons in Antioch, CA, this page confirms BASS Medical Group has an orthopedic presence in the Northern California region, but does not list individual surgeons or an Antioch office. Consider contacting their Walnut Creek HQ or the general line to request specific orthopedic surgeon availability in Antioch or nearby offices. Phone: +1-925-350-4044.

VerifiedOnline bookingSince 2006

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