# Best Endocrinologists in Illinois (October 2026)

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

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. Mary Codo ranks second with a score of 78.9: 4.8 stars from 155 Google reviews; 38 years since medical school; accepts Medicare assignment. Dr. Falguni Vasa ranks third with a score of 78.6: 4.8 stars from 146 Google reviews; 30 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. **Mary Codo, MD** — Endocrinologist, Naperville, IL. Score 78.9. Google 4.8 from 155 reviews; 38 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/mary-codo-endocrinologist-naperville-1568504439/)
3. **Falguni Vasa, MD** — Endocrinologist, Naperville, IL. Score 78.6. Google 4.8 from 146 reviews; 30 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/falguni-vasa-endocrinologist-naperville-1184741951/)
4. **Babak Pazooki, MD** — Endocrinologist, Joliet, IL. Score 78.4. Google 4.8 from 138 reviews; 32 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/babak-pazooki-endocrinologist-joliet-1396762316/)
5. **Suchitra Bhakta, MD** — Endocrinologist, Lisle, IL. Score 76.2. Google 4.7 from 142 reviews; 31 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/suchitra-bhakta-endocrinologist-lisle-1912988247/)
6. **Grant Sievertsen, MD** — Endocrinologist, Hinsdale, IL. Score 75.5. Google 4.8 from 70 reviews; 52 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/grant-sievertsen-endocrinologist-hinsdale-1134197619/)
7. **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/)
8. **Nittor Jayaram, MD** — Endocrinologist, Orland Park, IL. Score 67.5. Google 4.6 from 11 reviews; 52 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/nittor-jayaram-endocrinologist-orland-park-1508935222/)
9. **Akbar Rahmani, MD** — Endocrinologist, Flossmoor, IL. Score 67.4. Google 4.6 from 10 reviews; 53 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/akbar-rahmani-endocrinologist-flossmoor-1952301293/)
10. **Yoojin Pak, MD** — Endocrinologist, Lisle, IL. Score 67.1. Google 4.9 from 108 reviews; 18 years since medical school; accepts Medicare assignment; enrolled in Illinois Medicaid. [Profile](https://bestdocs.us/doctor/yoojin-pak-endocrinologist-lisle-1003072877/)

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.