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Peninsula Gastroenterology Medical Group is a private medical practice specializing in digestive disorders and liver diseases, with offices in Redwood City and Mountain View, California. The group offers diagnostic and therapeutic endoscopic services and focuses on gastroenterology care. Key details: - Headquarters: Palo Alto, CA; main contact: 650-365-3700 - Services: digestive/liver care, endoscopy, diagnostic/therapeutic procedures - Locations: Redwood City (2900 Whipple Ave; Redwood City, CA) and Palo Alto; also an office in Frenchs Forest, Australia - About the user query: Specifically servicing Redwood City, CA; internal focus on Peninsula Gastroenterology Medical Group as a gastroenterology provider in that area If you’re seeking a gastroenterologist in Redwood City, this group appears to be a primary option with multiple California offices and endoscopic services. For appointments or more precise physician profiles, consider contacting their main line or visiting gipractice.com.

Clinic Type

Digestive Health / Gastroenterology (multi-location group)

Address

Redwood City: 2900 Whipple Ave, Suite 245, Redwood City, CA 94062; Mountain View: 2495 Hospital Drive, Suite 600, Mountain View, CA 94040

Phone

650-365-3700 (Redwood City) ; 650-964-3636 (Mountain View)

Email

Opening Hours

Not published — contact the clinic to confirm hours.

Telehealth

Telemedicine available due to COVID-19 concerns

Services Offered

  • Digestive health care
  • Gastroenterology
  • Endoscopic procedures
  • Colonoscopy
  • Endoscopy
  • Flexible sigmoidoscopy
  • Upper endoscopy
  • ERCP
  • PillCam
  • Hemorrhoid treatment/ligation

Technology & Equipment

  • Endoscopy
  • Colonoscopy
  • Upper endoscopy
  • ERCP
  • PillCam
  • Flexible sigmoidoscopy
  • Halo radiofrequency ablation? (not explicit)

Team

  • James Torosis — MD
  • Vicky Yang — MD
  • Daniel Rengstorff — MD
  • Cynthia Leung — MD
  • Madhuri Badrinath — MD
  • Hoan Nguyen — PAC

Insurance & Payment

  • Insurance accepted page not explicitly listed in provided text

Languages Spoken

Social Media

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Yelp: 2.9 out of 5 (24 reviews)
  • MapQuest (via Yelp link): 2.5 out of 5 (3 reviews)

Patients praise

  • Some physicians are described as professional, personable, and empathetic
  • Presence of a helpful, kind, and polite front desk staff in some experiences
  • High-quality care and ease during medical procedures reported by some patients

Common complaints

  • Difficulty with administrative tasks, scheduling, and prescription refills
  • Concerns regarding staff communication, responsiveness, and feeling rushed during appointments
  • Mixed feedback on bedside manner and the thoroughness of medical care provided by some individual practitioners

"I found him and his team delivered the highest care and felt totally at ease... before, during and after the procedures... I cannot recommend this practice and staff more highly."

Birdeye (Review)

"She is also incredibly hard to reach and get a response from, and when a response is eventually given you feel you are being rushed and an inconvenience."

Birdeye (Review)

"At every turn she has been deeply empathetic, thorough and exactly. Her team have been very helpful with insurance issues."

Healthgrades (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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