Top Doctor

Dr. Gail Herzig

Middlesex Digestive Health & Endoscopy Center


Middlesex Digestive Health & Endoscopy Center

45 Discovery Way
Acton, Massachusetts

Let this doctor know you found them on Boston magazine’s Find It Boston.

This is my business. I'd like to submit an update.


Middlesex Digestive is a highly specialized center at the forefront of the evaluation, diagnosis and management of digestive diseases including cancers, irritable bowel syndrome, inflammatory bowel disease and gastroesophageal reflux, among others, and is committed to lowering colon cancer rates. Its distinguished team of gastroenterologists offers world-class expertise and advanced technologies to provide effective, life-improving results. Able to perform procedures onsite, a rare credential in Massachusetts, patients receive comprehensive care with convenience and time-and-cost efficiencies.

List the treatments and procedures you offer:

Areas of Care:

• Gastroenterology


• Colonoscopy

• Upper Endoscopy

• Gastroesophageal Reflux Disease (GERD)

• Irritable Bowel Syndrome (IBS)

• Celiac Disease

• Ulcerative Colitis

• Abdominal Pain

Awards or Certifications

Dr. Herzig has won a number of awards over the years, most notably as one of Boston Magazine’s “Top Doctors” in 2019 and 2020, and the recognition of one of Castle Connolly’s Top Doctors.

What's your background, education and training?

Dr. Gail Herzig has more than 30 years of medical training and experience. She received her medical degree from Albany Medical College in 1988 and completed her internal medicine residency and gastroenterology fellowship at Beth Israel Deaconess Medical Center. She has also trained at Harvard and Dartmouth Universities. She is board certified in Gastroenterology and Internal Medicine and specializes in functional bowel disorders.

What do patients have to say about you?

Dr. Herzig’s ratings are among the best for Acton Gastroenterologists, receiving a combined average rating of more than 4.5 stars on Healthgrades and Vitals. Among her highest ratings are her bedside manner, accurate diagnosis and time spent with patient. One five-star reviewer says:

“My experience is that Dr. Gail Herzig is one of the best all-around physicians that I have ever met. She is bright, skillful, engaged, and compassionate. It is a privilege to be one of her patients.”

Hours of operation

8:30am to 5pm Monday – Friday, closed Saturday & Sunday

Insurances Accepted


Blue Cross & Blue Shield



First Health


Great West

Harvard Pilgrim


Medicare Railroad

Allways Health Plan


United Healthcare




Top Doctor: 2021