# Best Gastroenterologists in Springfield, IL (October 2026)

Updated October 2026. Source: https://bestdocs.us/illinois/gastroenterologists/springfield/

Dr. Sanjay Bangarulingam ranks first with a score of 83.0: 5.0 stars from 115 Google reviews; 30 years since medical school; accepts Medicare assignment. Dr. William Peterson ranks second with a score of 80.1: 4.9 stars from 97 Google reviews; 45 years since medical school; accepts Medicare assignment. Dr. Sailaja Cheruku ranks third with a score of 76.2: 4.8 stars from 78 Google reviews; 29 years since medical school; accepts Medicare assignment.

1. **Sanjay Bangarulingam, MD** — Gastroenterologist, Springfield, IL. Score 83.0. Google 5.0 from 115 reviews; 30 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/sanjay-bangarulingam-gastroenterologist-springfield-1952408734/)
2. **William Peterson, MD** — Gastroenterologist, Springfield, IL. Score 80.1. Google 4.9 from 97 reviews; 45 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/william-peterson-gastroenterologist-springfield-1174623854/)
3. **Sailaja Cheruku, MD** — Gastroenterologist, Springfield, IL. Score 76.2. Google 4.8 from 78 reviews; 29 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/sailaja-cheruku-gastroenterologist-springfield-1578659496/)
4. **Fadi Annaba, MD** — Gastroenterologist, Springfield, IL. Score 75.3. Google 4.7 from 76 reviews; 30 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/fadi-annaba-gastroenterologist-springfield-1154353217/)
5. **Ashish Chopra, MD** — Gastroenterologist, Springfield, IL. Score 69.0. Google 4.8 from 47 reviews; 24 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/ashish-chopra-gastroenterologist-springfield-1497727234/)
6. **Ruchi Gupta, MD** — Gastroenterologist, Springfield, IL. Score 67.8. Google 4.7 from 50 reviews; 24 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/ruchi-gupta-gastroenterologist-springfield-1558413302/)
7. **Rahul Nayani, MD** — Gastroenterologist, Springfield, IL. Score 66.2. Google 4.8 from 88 reviews; 19 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/rahul-nayani-gastroenterologist-springfield-1144515115/)
8. **Theodore Paradowski, MD** — Gastroenterologist, Springfield, IL. Score 65.7. Google 4.9 from 32 reviews; 21 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/theodore-paradowski-gastroenterologist-springfield-1720171804/)
9. **Rajan Kochar, MD** — Gastroenterologist, Springfield, IL. Score 62.9. Google 4.6 from 46 reviews; 21 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/rajan-kochar-gastroenterologist-springfield-1851503692/)
10. **Dmitry Shuster, MD** — Gastroenterologist, Springfield, IL. Score 61.7. Google 4.8 from 61 reviews; 16 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/dmitry-shuster-gastroenterologist-springfield-1053623504/)

Ranked by the BestDocs score (https://bestdocs.us/methodology/), weighted toward independent third-party verified patient reviews (60%) over public anonymous reviews (40%). Sponsored placements never change rank.