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Connecticut GI

4.7 out of 5 · 8,844 reviews

Gastroenterology • Meriden, CT • 1 location in Meriden locations

About

Summary: Connecticut GI provides gastroenterology care across 28+ centers in Connecticut, including Meriden. They offer comprehensive digestive and liver services (e.g., abdominal pain, acid reflux, anorectal manometry, biliary/pancreatic disorders, small bowel disease, pelvic floor dysfunction, Barrett’s Esophagus) with board-certified gastroenterologists and a multidisciplinary team. The Meriden location is part of their network of care centers aimed at convenient access and patient-focused treatment. Headquarters are in Rocky Hill, CT, with multiple offices statewide. For Meriden-specific details (address, hours, providers), please check Connecticut GI’s locations or contact them directly.

Clinic Type

Gastroenterology

Address

455 Lewis Avenue, Suite 200, Meriden, CT 06451

Phone

203-626-6540

Email

—

Opening Hours

Monday – Friday 8:00AM – 5:00PM

Telehealth

Televisit

Emergency Care

If you are experiencing a medical emergency, please call 9-1-1.

Services Offered

  • Gastroenterology
  • Endoscopy
  • Colorectal care
  • Colon cancer screening
  • Capsule endoscopy
  • Endoscopic ultrasound
  • ERCP
  • Esophageal dilation
  • Esophageal manometry
  • Sphincterotomy
  • Hemorrhoid treatment
  • Feeding tube insertion
  • Telemetry/televisit

Technology & Equipment

  • Endoscopy
  • Capsule endoscopy
  • Endoscopic ultrasound
  • ERCP
  • Esophageal dilation
  • Esophageal manometry
  • Sphincterotomy

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
  • Leslie Bebb, P.A. — Physician Assistant
  • Jillian Jaroszewski, P.A. — Physician Assistant
  • Jennifer McDonnell, P.A. — Physician Assistant
  • Cybill Thomas, APRN — Advanced Practice Registered Nurse

Insurance & Payment

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Billing via MyChart Plus guestpay

Languages Spoken

  • English

FAQs

What services are offered at Connecticut GI – Meriden?

Gastroenterology care and related endoscopic procedures.

Request An Appointment

(Not a question; instruction.)

Photos

What Patients Say

Overall sentiment across review platforms: positive

  • Vitals: Varies by individual provider (e.g., Dr. Jon Ernstoff 4.8, Dr. Douglas Miller 3.9) (N/A (Individual provider counts vary))
  • Trustindex.io: 4.7/5 (8,831 (System-wide))
  • Healthgrades: 4.1/5 (13)

Patients praise

  • Professional and knowledgeable medical providers
  • Friendly and helpful office staff
  • Thorough explanations of medical conditions and care plans
  • Effective and efficient patient care and communication

Common complaints

  • Long wait times for appointments
  • Difficulty with rescheduling procedures
  • Concerns regarding practice management and staff policies
  • Specific complaints about doctor availability and patient status classification

"Dr. Kevin Jo is wonderful... total positive experience for me."

— Connecticut GI Provider Website

"Dr. Ernstoff is the best. He sits with you and answers all your questions. He listens to what you have to say and leaves no stone unturned to make an accurate diagnosis."

— Vitals

"The entire staff was very friendly and knowledgeable. The nurse practitioners are some of the best I’ve seen."

— Trustindex.io

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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