We don’t sell ranking and don’t accept payment to move a provider up the list. For final hire decisions, verify licensing, insurance, and references directly with the applicable licensing or credentialing body.
No bulk-licensing source family is currently ingested for this vertical. Hire-time checking still routes through the body named above.
7.87 active ophthalmologists per 100,000 residents — ranked 15 of 51 U.S. states + DC.
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Illinois has 1,000 active ophthalmologists (7.87 per 100,000 residents) — ranked 15 of 51 U.S. states + DC. Source: CMS NPPES NPI Registry + U.S. Census Bureau, snapshot 2026-05-06. Threshold for "underserved" in the parent study: 5 per 100,000. Citation: Fonteum Research, /research/ophthalmologist-supply-by-state-2026.