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About

Integrated Gastroenterology Consultants (IGC) is a private medical practice specializing in gastroenterology, with services across endoscopy/colonoscopy, inflammatory bowel disease, obesity medicine, and general gut health. They operate four offices in Massachusetts, including Chelmsford/Lowell and Lawrence, with two main locations in North Chelmsford and Lawrence General Hospital. IGC offers specialized IBD care, infusions, and weight management programs, and serves the Merrimack Valley and Southern New Hampshire. There is no listed location in Andover, MA. For appointments, they provide newpatient@integratedgic.com and phone numbers including (978) 459-6737.

Clinic Type

Gastroenterology

Address

Two outpatient centers in Andover and Lowell; hospital locations in Lowell, Lawrence, and Newburyport

Phone

978-459-6737

Email

newpatient@integratedgic.com

Opening Hours

Hours Monday–Friday 7:30am–4:30pm

Telehealth

true

Services Offered

  • GI services including colon cancer screening through colonoscopy
  • advanced non-surgical weight loss procedures
  • endoscopy (colonoscopy, upper endoscopy)
  • medical weight management
  • endoscopic sleeve gastroplasty (ESG)
  • intragastric balloons (Orbera and Spatz)
  • gastric bypass revision treatments such as TORe (Overstitch)
  • non-invasive bariatric procedures performed endoscopically
  • nutrition counseling
  • lifestyle interventions

Technology & Equipment

  • endoscopy
  • endoscopic sleeve gastroplasty (ESG)
  • intragastric balloons (Orbera, Spatz)
  • gastric bypass revision (TORe)
  • Patient Portal (paperless results)

Team

  • Dr. Holzwanger, Board-certified/MD? (not specified) — Director of Endoluminal Surgery and Bariatric Endoscopy

Insurance & Payment

Languages Spoken

Current Offers

New patient procedures and visits scheduling

FAQs

What services are offered?

GI services including colon cancer screening, endoscopy, and weight management procedures.

Please note: This form is for routine questions only and will be answered within 2-4 weeks. For urgent issues, including rescheduling appointments or symptoms, please call us at (978) 459-6737.

We direct urgent matters to calling the provided number for timely assistance.

Awards & Accreditations

  • Castle Connolly Top Doctors (MA)
  • National Specialty Excellence Award by Rater8
  • Top Doctors Boston Magazine vote
  • #1 Private Group for Top Doctors in Gastroenterology (MA) by Castle Connolly
  • Top Doctors by Boston Magazine

Photos

What Patients Say

Overall sentiment across review platforms: mixed

  • Glassdoor: 3 reviews shown on page (ratings not captured in provided snippet) (3)
  • Yelp (Chemlsford location): very negative sentiment in provided highlight (specific star rating not captured) (not provided)
  • IntegratedGIC (official site patient submitted review): not a platform rating; customer review text included (not provided)
  • Healthgrades: No office reviews yet shown in snippet (0 reviews)

Patients praise

  • Reports of thorough care and confidence in recommendations (patient-submitted review on practice website).
  • Some positive workplace environment themes mentioned on Glassdoor (e.g., motivated team/technologies).

Common complaints

  • Strong negative patient sentiment on Yelp, describing staff as incompetent/unethical/vindictive and advising others not to see them.
  • Possible disorganization/inconsistency mentioned in Glassdoor snippet (workplace-related but indicates complaints).
  • No reviews listed for Healthgrades in provided snippet (cannot confirm overall patient experience there).

""He's thorough and I have full confidence in his plan and recommendations. It was a very pleasant experience.""

Integrated Gastroenterology Consultants official site (patient submitted review, Jul-2026)

""This place is filled with Drs and staff who are incompetent unethical and vindictive. Whatever you do - do not see them. They are a complete circus.""

Yelp review highlight for Integrated Gastroenterology Consultants (Chelmsford)

""Cons. Disorganized and inconsistent ...""

Glassdoor review highlights for Integrated Gastroenterology Consultants

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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