About Gail M. Herzig, MD

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 Istrael 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.

She has won a few awards over the years, most notably the recognition of one of Castle Connolly’s Top Doctors and one of Boston Magazine’s “Top Doctors”.

Conditions & Procedures

  • Abdominal Pain
  • Acid Reflux & GERD
  • Anal Abscess
  • Anal Fissures
  • Anemia
  • Barrett's Esophagus
  • Celiac Disease
  • Cirrhosis
  • Clostridium Difficile (C.Diff)
  • Colitis
  • Colon Cancer Screening
  • Colorectal (Colon) Cancer
  • Constipation
  • Crohn’s & Ulcerative Colitis
  • Diarrhea
  • Dysphagia
  • Esophageal Disease
  • Fecal Incontinence
  • Gastritis
  • Gastrointestinal Bleeding
  • H. Pylori
  • Hemorrhoids
  • Hepatitis
  • Indigestion
  • Inflammatory Bowel Disease
  • Irritable Bowel Syndrome
  • Obesity
  • Pancreatic Disease & Pancreatitis
  • Peptic Ulcer Disease
  • Radiation Proctitis
  • Swallowing Disorders
  • Colonoscopy (Screening & Diagnostic)
  • EGD (Upper Endoscopy)

Office Locations

Primary Location

Picture of the Acton Office


45B Discovery Way
Acton, MA 01720

Phone: 978-429-2010
Fax: 978-264-1936

Procedure Locations

Having a procedure? It may not always be in the same location where you consulted with your doctor. Check with your doctor to make sure you’re headed to the right place.



Albany Medical College


Beth Israel Deaconess Medical Center


Beth Israel Deaconess Disaster Medicine Fel


Beth Israel Deaconess Medical Center

Professional Highlights

Awards & Recognitions

  • Boston Magazine, Top Doctor
  • Castle Connolly, Top Doctor
  • Castle Connolly Exceptional Women in Medicine Recipient 2023