# Best Endocrinologists in Springfield, IL (October 2026)

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

Dr. Sufyan Said ranks first with a score of 79.3: 4.9 stars from 102 Google reviews; 34 years since medical school; accepts Medicare assignment. Dr. Chaitanya Mamillapalli ranks second with a score of 72.2: 4.8 stars from 85 Google reviews; 26 years since medical school; accepts Medicare assignment. Dr. Marina Russo ranks third with a score of 66.2: 4.4 stars from 7 Google reviews; 37 years since medical school; accepts Medicare assignment.

1. **Sufyan Said, MD** — Endocrinologist, Springfield, IL. Score 79.3. Google 4.9 from 102 reviews; 34 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/sufyan-said-endocrinologist-springfield-1982885257/)
2. **Chaitanya Mamillapalli, MD** — Endocrinologist, Springfield, IL. Score 72.2. Google 4.8 from 85 reviews; 26 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/chaitanya-mamillapalli-endocrinologist-springfield-1710137930/)
3. **Marina Russo, MD** — Endocrinologist, Springfield, IL. Score 66.2. Google 4.4 from 7 reviews; 37 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/marina-russo-endocrinologist-springfield-1174510978/)
4. **Jumana Abdelkarim, MD** — Endocrinologist, Springfield, IL. Score 62.7. Google 5.0 from 52 reviews; 16 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/jumana-abdelkarim-endocrinologist-springfield-1154815363/)
5. **Poornima Jayaramaiah, MD** — Endocrinologist, Springfield, IL. Score 61.7. Google 5.0 from 6 reviews; 24 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/poornima-jayaramaiah-endocrinologist-springfield-1174784086/)
6. **Rama Poola, MD** — Endocrinologist, Springfield, IL. Score 60.4. Google 4.4 from 15 reviews; 24 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/rama-poola-endocrinologist-springfield-1932362241/)

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.