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About

GI Alliance is a private hospital/healthcare network focused on gastroenterology, with its headquarters in Southlake, Texas. It operates as a large employer (about 523 staff) and was founded in 2018. The company positions itself as the nation’s leading network of gastroenterology providers, offering comprehensive GI services for adults and children. It has offices primarily in the United States (4 locations) and a presence in Puerto Rico, with Cardinal Health, Inc. listed as its parent company. Key leadership and staffing details are provided, along with contact information (main phone: (972) 562-4430) and industry classifications (SIC 80, 801; NAICS 62, 621). If you’re seeking a gastroenterologist specifically in Attleboro, MA associated with GI Alliance, I don’t have confirmation of such a location from the sources given. Consider checking GI Alliance’s official site or contacting their Attleboro-area providers directly for exact provider availability.

Clinic Type

Gastroenterology

Address

562 Washington Street, Attleboro, MA 2703

Phone

401-274-4800

Email

Opening Hours

Tuesdays & Thursdays 8:00 AM – 12:00 PM

Emergency Care

9-1-1

Services Offered

Team

  • Tian Gao, M.D. — Gastroenterologist
  • Brett Kalmowitz, M.D. — Gastroenterologist
  • Camille Knize — N.P.

Insurance & Payment

Languages Spoken

FAQs

Request An Appointment

This form is intended for non-urgent appointment requests only. Our office will handle non-emergency requests within 48 hours.

Photos

What Patients Say

Overall sentiment across review platforms: negative

  • Healthgrades: 2.5 out of 5 stars (for Dr. David Cohen) (Based on multiple patient reviews)
  • Yelp: 1.0 out of 5 stars (2 reviews)

Patients praise

  • praise for specific clinical/nursing staff for professionalism during procedures
  • positive experiences with specific nurse practitioners/physician assistants

Common complaints

  • rude or dismissive communication from staff and physicians
  • long wait times for appointments and in-office visits
  • concerns regarding bedside manner and patient empathy
  • inappropriate examination or sedation issues during procedures
  • billing or procedural communication failures

"She told me if I didn't want to take the meds she was describing, then I shouldn't waste her time. Very disrespectful."

Vitals review of Attleboro Gastroenterology Associates

"The front desk customer service is absolutely HORRIBLE. The woman (Kim- the name she provided) answering the phone was dismissive and rude... I ended the phone call literally crying."

LocalityBiz review of Sturdy Health Gastroenterology

"Performed my colonoscopy while I was not sedated. My IV infiltrated and anesthesia told him to STOP! He did not!!!"

Healthgrades review of Dr. David Cohen

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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Attleboro, MA·Gastroenterology

VerifiedEmergency care
Attleboro, MA·Gastroenterology

Summary: Sturdy Health is a nonprofit, community health system based in Attleboro, MA, offering hospital-based care, emergency/urgent care, primary and specialty care across four US locations. The organization, founded in 1913, employs about 582 staff and generates roughly $376.9M in annual revenue. It operates under the name Sturdy Health (also known as Sturdy Memorial Hospital) and provides a range of services including cardiology, maternity/OB-GYN, orthopedics, surgery, pain management, diabetes and occupational health, and other specialty care. The info indicates a broader health system rather than a standalone gastroenterology specialty, and there’s no specific mention of a dedicated gastroenterology department in the provided highlights. If you’re seeking Sturdy Health Gastroenterology specifically, additional details or a direct search of their gastroenterology services or contact page may be needed.

VerifiedOnline bookingEmergency careSince 1913

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