Gastroenterology - Cambridge Health Alliance
Gastroenterology • Cambridge, MA • Since 1996 • Multiple (Cambridge, Somerville, Everett) locations
About
Gastroenterology at Cambridge Health Alliance (CHA) - CHA is a nonprofit teaching health system serving Cambridge, Somerville, and metro-north Boston, affiliated with Harvard Medical School and Tufts University School of Medicine. - Services: primary care, specialty care, and comprehensive mental health/substance use services; CHA provides various medical specialties including gastroenterology. - Locations: main facilities in Cambridge (1493 Cambridge Street, Cambridge, MA 02139) and additional sites in Somerville and Everett; 24-hour emergency care at two locations. - Affiliation and status: Teaching affiliate of Harvard Medical School; affiliated with Beth Israel Deaconess Medical Center. - Contact/visit info: main phone 617-665-1000; website challiance.org for appointment details and GI specialty services.
Clinic Type
Gastroenterology
Address
CHA Cambridge Hospital; 1493 Cambridge Street, Cambridge, MA 02139; CHA Somerville Campus; 33 Tower Street, Somerville, MA 02143; CHA Everett Hospital; 103 Garland Street, Everett, MA 02149
Phone
617-665-1552
webmaster@challiance.org
Opening Hours
Not published — contact the clinic to confirm hours.
Services Offered
Technology & Equipment
Team
Insurance & Payment
—
Languages Spoken
—
FAQs
What services are offered by CHA GI team?
Endoscopy to see into your throat and stomach and colonoscopy to screen for colon cancer; various tests and procedures for digestive issues.
What GI procedures are offered?
Endoscopy to see into your throat and stomach and colonoscopy to screen for colon cancer. Other listed procedures include Esophagogastroduodenoscopy (EGD), Colonoscopy, Esophageal motility, ERCP, and Virtual Chromo (Capsule) Endoscopy.
Who can be treated at CHA GI?
Experts diagnose and treat digestive issues in patients 16 and older.
Social Media
Photos
What Patients Say
Overall sentiment across review platforms: mixed
- US News & World Report (Gastroenterology): 4/5 (Aggregate) (18 reviews)
- Healthgrades (Dr. Paul Lesser): 3.0/5.0 (8 reviews)
- Healthgrades (Dr. John Chobanian): 4.0/5.0 (12 reviews)
- US News & World Report (Dr. Michael C. Payne): 4/5 (17 reviews)
Patients praise
- Knowledgeable and expert medical care from specific providers
- Effective communication and explanation of conditions by certain doctors
- Efficient and professional nursing staff during procedures
- Compassionate care from some specialists
Common complaints
- Perceived lack of compassion or empathy from some providers
- Difficulty with navigating the administrative system
- Concerns regarding medical diagnostic thoroughness and communication
- Instances of long wait times and issues with administrative staff
"Extremely poor experience. Dr. Lesser continually downplayed my symptoms and the entire reason for the visit. He wasted my time and actively made it more difficult for my issues to be treated by other physicians."
— Healthgrades (Dr. Paul Lesser review)"This Dr. listens. He speaks intelligently to patients and takes time to answer questions! Far better than the experiences w/ Law. Mem GI drs."
— Healthgrades (Dr. John Chobanian review)"I've been having mixed feelings about them overall. The PCPs there seem to be very good, but it's hard to work with the system."
— Reddit (CambridgeMA discussion)Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Cambridge Health Alliance Hits 1M Visits and Expands Care — May 15, 2026
- US Hospitalizations for Heat-Related Illness Increasing - Gastroenterology Advisor — May 20, 2026
- CHA’s High Reliability Organization Initiative Helps Propel Windsor Street Primary Care to Patient Experience Awards - Massachusetts Health Quality Partners — Apr 8, 2026
- Findings from Cambridge Health Alliance in the Area of Teledentistry Described (Interest in Accessing Integrated Dental Services in Primary Care Among Patients with Low Dental Care Utilization): Telemedicine - Teledentistry - Insurance News | InsuranceNewsNet — Oct 9, 2025
- Medicaid cuts loom, but CHA budget changes only modestly - Cambridge Day — Jun 30, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Cambridge
Comparing your options?
See other gastroenterology clinics in Cambridge, or search the full directory by insurance, ratings, and more.