Recent Blogs
See AllWhy Allergy Season Hits Harder in California's Contra Costa County (And What You Can Do About It)
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Is Burnout a Real Medical Condition?
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Why Colon Cancer Screening Now Starts at Age 45
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Why ACL Tears Are Increasing in Young Athletes And What You Can Do to Reduce Risk
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Doctor Spotlight

Cynthia Mullen
Gastroenterology
in
Walnut Creek
Dr. Cynthia Mullen, MD, is a board-certified gastroenterologist and internist with expertise in gastrointestinal and liver disorders. She provides advanced endoscopic procedures, including upper endoscopy and colonoscopy, and offers in-office CRH O’Regan hemorrhoid banding. She is a member of the American College of Gastroenterology and has served on the Women in Gastroenterology Committee, bringing passion and commitment to patient care.
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Top News
See AllDr. Patricia Maska Honored with the 2025 UCSF Royer Award
BASS Medical Group neurologist Dr. Patricia Maska has received the 2025 Royer Award for her excellence in neurology, teaching, and mentorship in the Bay Area.
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BASS Medical Group Renames Cancer Center in Honor of Late Founder Dr. Gregory Rhodes
BASS Medical Group renames its flagship cancer center to honor late founder Dr. Gregory Rhodes, celebrating his legacy of compassionate, patient-centered care.
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Please join us in welcoming Dr. Tarannum Guller as BASS Medical Group's Chief Medical Officer!
BASS Medical Group welcomes Dr. Tarannum Guller as Chief Medical Officer, bringing extensive expertise in physician-led programs and healthcare leadership.
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Gregory Rhodes MD Cancer Center's February Ribbon Cutting Ceremony
Gregory Rhodes MD Cancer Center celebrated its official ribbon cutting, welcoming city officials, patients, and the community to its state-of-the-art cancer facility.
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