Northwestern Medicine Gastroenterology Evanston Sherman Avenue
Gastroenterology • Evanston, IL
Clinic Type
Gastroenterology
Address
Northwestern Medicine Evanston Gastroenterology, Sherman Avenue, Evanston, IL
Phone
8475356083
kflesch@nm.org
Opening Hours
Not published — contact the clinic to confirm hours.
Telehealth
Available (telehealth referenced in extras)
Services Offered
—
Insurance & Payment
—
Languages Spoken
—
Social Media
Photos



What Patients Say
Overall sentiment across review platforms: mixed
- WebMD: 4.5/5 (17 ratings)
- Healthgrades: 4.2/5 (24 reviews)
- WebMD: 4.0/5 (7 ratings)
- WebMD: 3.5/5 (approximate) (22 ratings)
Patients praise
- Praise for caring and compassionate bedside manner by some providers
- Appreciation for effective communication and procedural handling by some staff
- Commitment to thorough investigation and explanation of conditions
Common complaints
- Reports of poor or dismissive bedside manner
- Complaints regarding office responsiveness and communication delays
- Difficulties in obtaining timely appointments or test scheduling
- Frustration with lack of clear diagnosis or treatment progress
"Messages on northshore connect & phone calls are not returned by anyone in her office for weeks if at all. Tests are scheduled for a year after they are recommended. The entire practice is in chaos."
— Healthgrades review of a provider in the Evanston area"Horrible experience with this doctor. Completely dismissive of symptoms. Left my condition undiagnosed and it has progressed."
— WebMD review of a provider in the Evanston area"Everything was handled very well by the doctor and the team assisting him at Evanston Hospital. His office was also quick to respond to any questions I had through the Northshore connect site."
— WebMD review of a provider in the Evanston areaSynthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].
In the News
- Sindhu K. Aderson, MD - Northwestern Medicine — Feb 27, 2026
- Evanston Northwestern Hospital - Clinics - Cortico — Dec 4, 2025
- Neena Cherayil, MD - Northwestern Medicine — Jan 15, 2026
- Natania S. Field, MD, PhD | Northwestern Medicine — Jul 10, 2026
- Aiman Khan, PA-C | Northwestern Medicine — Jan 13, 2026
Information sourced from the clinic's website as of July 11, 2026.
More gastroenterology clinics in Evanston
Gastroenterologist in Evanston, IL – GI Alliance of Illinois - Overview: GI Alliance of Illinois is a private gastroenterology practice with 20+ offices across Illinois, headquartered in Arlington Heights. Founded in 2022, the practice focuses on patient-centered GI care, including diagnosis, treatment, and management of conditions such as acid reflux, IBS, inflammatory bowel disease, constipation, colon cancer screening, and liver disease. - Evanston presence: The company operates across Illinois with multiple locations; however, Evanston is not listed as a specific office in the provided highlights. Closest listed locations are in surrounding areas (e.g., Arlington Heights, Oak Lawn, Hinsdale, Lake in the Hills, Normal). - Specialties and services: Gastroenterology care for common GI issues (acid reflux, abdominal pain, bloating, anal fissure) and broader GI diseases, with emphasis on screening and digestive health. - Contact and access: Main contact number listed is (855) 455-4278. For Evanston-specific appointments, consider contacting the central line or checking the official site for the nearest GI Alliance of Illinois office serving Evanston patients. - Notable credentials: Board-certified gastroenterologists; recognized as a top physician’s practice in gastroenterology by Castle Connolly (as of May 2026). If you specifically need a GI specialist in Evanston, IL, I can check for the nearest GI Alliance locations serving Evanston or alternatives in Evanston.
Comparing your options?
See other gastroenterology clinics in Evanston, or search the full directory by insurance, ratings, and more.

