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BASS Medical Group

Gastroenterology • Concord, CA

About

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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.

Clinic Type

Gastroenterology

Address

2222 East Street, Suite 300, Concord, CA 94520

Phone

925-682-7187

Email

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Opening Hours

Not published — contact the clinic to confirm hours.

Website

https://www.bassmedicalgroup.com/locations/concord-2222-east-st-ste-300

Services Offered

  • Gastroenterology

Technology & Equipment

  • Surgical Critical Care
  • Advanced Laparoscopic

Team

  • H. Ray Rassai — General Surgery
  • Jenny F. Jew — Gastroenterology
  • Kalyani Maganti — Gastroenterology
  • Asha Gupta Cogdill — Gastroenterology

Insurance & Payment

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Languages Spoken

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Social Media

TwitterYoutubeFacebookLinkedinInstagram

Photos

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What Patients Say

Overall sentiment across review platforms: mixed

  • WebMD (Dr. Jenny Jew): 3.5/5 (7 ratings) (1 review)
  • US News Health (Specific Provider): 5/5 (58 reviews)
  • US News Health (John Muir Health-Concord Medical Center): Various ratings (typically 2/5 to 5/5) (Varies by provider)

Patients praise

  • Some individual doctors are praised for being knowledgeable, kind, patient, and attentive listeners
  • Some practices are noted for efficient scheduling and friendly staff teams

Common complaints

  • Perceived lack of patient care and poor communication from some individual providers
  • Issues with administrative processes including appointment scheduling, follow-up, and billing/refunds
  • Wait times and accessibility concerns

"Absolutely doesn't recommend doctor. She didn't see me before procedure, no introduction, no explanation. She doesn't care about her pt. How can I trust her?"

— WebMD (Dr. Jenny Jew)

"They are both astonishingly rude, brusque, and prone to interrupt you in mid-explanation... Do yourself a favor and choose another doctor."

— Unilocal (Jain Vivek & Vinita, MD)

"Dr. Varon is an incredible gastroenterologist. I have been going to him for over 10 years. He is kind, patient, knowledgeable and stays current on studies..."

— Yelp (Dr. David Varon)

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

In the News

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

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