BASS Medical Group

Gastroenterology • Concord, CA

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About

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.

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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

Twitter Youtube Facebook Linkedin Instagram

Photos

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].

Information sourced from the clinic's website as of July 10, 2026. Own this clinic? Claim or correct this listing.