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Clinic Type

Gastroenterology

Address

850 North Main Street, Ext Building 2 B3, Wallingford, CT 6492

Phone

203-886-0036

Email

Opening Hours

Monday – Thursday 8:00AM – 5:00PM; Friday 8:00AM – 4:00PM

Emergency Care

9-1-1

Services Offered

Team

  • Anant Agarwalla, M.D. — Gastroenterologist
  • Kevin Jo, M.D. — Gastroenterologist
  • Maria Johnson, M.D. — Gastroenterologist
  • Lawrence Kogan, M.D. — Gastroenterologist
  • Osama Siddique, M.D. — Gastroenterologist
  • Jonathan White, M.D. — Gastroenterologist
  • Kathryn Jack — Advanced Practice RN
  • Gina Kelley — PA-C
  • Cybill Thomas — Advanced Practice RN

Insurance & Payment

Languages Spoken

FAQs

Request An Appointment

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Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Healthgrades (Dr. Anant Agarwalla): 4.9/5 (14 reviews)
  • Vitals (Dr. Jonathan White): 4.7/5 (Not explicitly stated total count)
  • Medical News Today (Dr. Anant Agarwalla): 4.5/5 (2 reviews)

Patients praise

  • Physicians are described as knowledgeable, caring, and thorough
  • Medical staff, including nurses and nurse practitioners, are highly praised for their professionalism and empathy
  • Patients feel empowered when their health concerns are listened to and explained clearly
  • Some providers are highlighted for their willingness to think outside the box for complex cases

Common complaints

  • Rude or unhelpful reception staff
  • Long wait times for appointments or during office visits
  • Issues with communication, including failing to return messages or not placing lab orders
  • Some patients felt their symptoms or history were not initially taken seriously or documented properly

"The staff is knowledgeable, courteous, professional, and extremely caring. I recommend them 1000%."

LocalityBiz review for Connecticut GI Wallingford

"Medical staff (nurses/doctors) is very professional and friendly. Reception on the other hand was quite rude, unfriendly, and had an attitude while checking me in."

LocalityBiz review for Connecticut GI Wallingford

"Dr. White is ok, but his staff are... get a call back... I had an... 3 weeks, me sooner. What good is a doctor that..."

WebMD review for Dr. Jonathan White

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].

Information sourced from the clinic's website as of July 11, 2026.

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Wallingford, CT·Gastroenterology

Connecticut GI is a gastroenterology practice with 28 care centers across Connecticut, including locations in Wallingford, Avon, Hartford, and more. They offer comprehensive GI services and advanced diagnostics for digestive and liver disorders (biliary/pancreatic issues, small bowel disease, pelvic floor dysfunction, Barrett’s Esophagus, etc.). The practice is headquartered in Rocky Hill, CT, and employs about 89 staff with annual revenue in the $5–$25 million range. For Wallingford-specific care, visit Connecticut GI’s Wallingford location page and contact details through their network of care centers.

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Wallingford, CT·Gastroenterology

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