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Expert Gastroenterology Services in Acton, MA
Middlesex Digestive Health & Endoscopy Center is a dedicated outpatient facility specializing in gastrointestinal care and endoscopic procedures. Our team of board-certified gastroenterologists prioritizes patient safety, comfort, and education while delivering advanced diagnostic and treatment options. Accredited by the AAAHC, we maintain rigorous standards for clinical excellence and operational integrity.

Our services include colonoscopies, endoscopies, and specialized treatments for digestive diseases, supported by state-of-the-art technology and personalized care. We serve Middlesex and Worcester counties, emphasizing preventive care to combat rising colon cancer rates among younger populations.
Services
Colonoscopy Endoscopy Capsule Endoscopy Hemorrhoid Banding Liver Disease Treatment GERD Management IBS Treatment Crohn's Disease Care Infusion Therapy
Highlights and features
  • Our center is AAAHC-accredited for clinical excellence.
  • Board-certified GI specialists with expertise in complex procedures.
  • State-of-the-art AI-assisted colonoscopy technology improves accuracy.
  • Dedicated to patient education and preventive care initiatives.
  • Comprehensive treatment for digestive diseases and chronic conditions.
Associations and certifications
  • Accreditation Association for Ambulatory Health Care (AAAHC)
What people say
Amazing care Caring, respectful people Exceeded expectations Friendly and kind staff Efficient communication
Services
Colonoscopy
Our colonoscopies use AI-assisted technology to detect colorectal cancer and polyps. This preventive service is recommended for adults starting at age 45, with most insurance plans covering the procedure. Our board-certified gastroenterologists perform thorough screenings while ensuring patient comfort through personalized anesthesia options.
Endoscopy
Upper endoscopies and flexible sigmoidoscopies diagnose digestive tract conditions like GERD, ulcers, and inflammatory bowel disease. Our physicians use high-resolution imaging to examine the gastrointestinal system, providing immediate results and treatment plans tailored to each patient's needs.
Capsule Endoscopy
This non-invasive procedure uses a swallowable camera capsule to visualize the small intestine. It helps diagnose unexplained bleeding, Crohn's disease, and other conditions affecting the digestive tract. Patients receive detailed instructions for preparation and post-procedure care.
Hemorrhoid Banding
A minimally invasive procedure to treat internal hemorrhoids using rubber band ligation. Our specialists perform this outpatient treatment with minimal discomfort, offering rapid recovery and effective symptom relief for patients with chronic hemorrhoid issues.
Liver Disease Treatment
We diagnose and manage chronic liver conditions including hepatitis, cirrhosis, and fatty liver disease. Our approach combines advanced diagnostics like Fibroscan with personalized treatment plans to slow disease progression and improve quality of life for patients.
People
Lauren Bleich M.D., MPH
Board Certified Gastroenterologist
Dr. Bleich specializes in digestive diseases with a focus on preventive care and patient education. She combines clinical expertise with public health insights to improve community GI health outcomes.
Michael DeSimone M.D.
Board Certified Gastroenterologist
Dr. DeSimone brings extensive experience in advanced endoscopic procedures, prioritizing patient comfort and accurate diagnostics while maintaining active involvement in medical education initiatives.
Mark Epstein M.D.
Board Certified Gastroenterologist
Dr. Epstein focuses on complex GI disorders, utilizing evidence-based approaches to treat chronic conditions while emphasizing personalized care plans for long-term patient wellness.
Gail Herzig M.D.
Board Certified Gastroenterologist
Dr. Herzig specializes in women's digestive health issues, combining compassionate care with technical expertise to address gender-specific GI concerns effectively.
Benjamin Hyatt M.D.
Board Certified Gastroenterologist
Dr. Hyatt focuses on therapeutic endoscopy and early cancer detection, maintaining active participation in clinical research to advance GI treatment methodologies.
Questions
What GI procedures do you specialize in?
We offer colonoscopies, endoscopies, capsule endoscopies, hemorrhoid banding, liver disease treatments, and specialized diagnostics for digestive disorders.
Do you accept my insurance plan?
We accept most major insurance plans. Contact your provider to confirm coverage details for facility fees, professional services, and anesthesia.
How should I prepare for a colonoscopy?
Follow our detailed preparation instructions, including dietary restrictions and bowel cleansing. Bring required documents and arrange transportation for your procedure day.
Are your facilities accredited?
Yes, we maintain AAAHC accreditation and Medicare approval, ensuring strict adherence to national safety and quality standards for outpatient care.
Can I tour your facility beforehand?
Yes, access our Google 360 virtual tour online to explore our endoscopy center's layout and amenities before your appointment.
Why choose your center for GI care?
Our board-certified specialists combine advanced technology with personalized care, focusing on preventive medicine and comprehensive treatment for digestive diseases.
Reviews (7)
Holly Young
May 25, 2022 Report
They aren't in the business of helping people. Four years and I'm still have symptoms that are just getting more acute. Told GI I didn't want to see a nutritionist, but it was forced on me. Nutritionist added no value. I was already doing the few things that were recommended. Staff asks where I want my scan, takes notes. Fails to send it to the system I requested and changed the scan procedure without talking to me. AND refuses to apologize and take responsibility for her mistake. If you go there, expect to treat the staff with kid gloves or you'll be in big trouble-the practice won't bother being courteous. Even office manager yelled at me and hung up on me.
Lauren W.
Feb 14, 2022 Report
As a patient of this place for almost a year, I have only been here a few times and today was the today I came in for my first ever colonoscopy. Understandably, I was nervous and the prep you need to do before it quite uncomfortable and long, however it's absolutely necessary for the procedure. When I got there, I checked in and was able to do so quickly and efficiently. Plus, I wasn't even waiting all that long to be seen.

After getting undressed and hooked up to the IV, they started fluids and vitals, and before I knew it I was being wheeled into the operating room. They gave me anesthesia and the next thing I remember was waking up, where they immediately came to check on me and give me some water. The discharge was fairly easily, and I felt completely comfortable and safe with them. Would recommend!
Geoff Knowlton
Feb 03, 2022 Report
I really like and respect my Doctor, Dr. Krimms. The MA (Cat) is wonderful with good humor and excellent service. But I can't say the same for the way this practice manages patient contact. I have called on a few occasions and been forced to leave a voice mail. I NEVER get a call back. I have to call back and keep trying until I actually get a person. If it's Cat, I always get great service. But if I have to leave a message, I've just learned to not even bother, just keep calling until I get someone.
Rachel Rondeau
Oct 24, 2021 Report
Dr Hyatt and staff are all great so far. First time in my life having some medical issues so I was very nervous getting put under for the first time for an endoscopy. The anesthesiologist was very caring and he tried to put me at ease and it was very helpful. Throughout my appointments Dr Hyatt has been very thorough and patient. I appreciate that he is trying to get to the bottom of my stomach pain that my primary has dismissed. His medical assistant is also very nice and attentive on the phone.
Devon Picard
Aug 13, 2021 Report
A few days ago, I came in with fear and concerns about an on going stomach issue. However, Dr. Krim made me feel like I was more of a nuisance to him for coming in. The nurse who brought me to the room seemed to be more concerned than the actual doctor himself. He told me that they've done all the tests, what more do I want him to do. The problem hasn't been fixed, all I want is help
K. E.
Apr 05, 2021 Report
I had two procedures in April done by Dr Herzig and her team. Everyone is so kind and the communication is great, results were relayed in a timely manner. Special shout out to Michelle and Laura my nurses, they were both exceptional.
Philip H.
Mar 10, 2021 Report
Beautiful facility, easy to get to, lots of parking. Process is easy to navigate from making appointment to processing paperwork. Everything is confidential and comfortable. Anesthesiologist, nurse anesthetist, nurses and Dr. Linn were accommodating. Patiently explained procedure and results. Dr Linn was especially supportive, no rushing no chaos. Ive unfortunately had to have 23 colonoscopies in the last 10 years. I had them in the best hospitals in NYC by a pre-eminent colonoscoper.would have gone back however covid put a glitch in that plan so i made alternate plans and glad i did.