HealthcareDiscovery.AI / Doctors / Illinois / Grayslake

Doctors in Grayslake, Illinois

Data updated monthly · Last refresh September 2026

113 licensed providers practice in Grayslake across 23 specialties, and 27% received drug or device company payments in 2025. Listings are drawn from federal public records and are not endorsements.

113providers
23specialties
27%with industry payments

Specialties in Grayslake

Common questions

How many doctors practice in Grayslake, Illinois?

113 licensed providers with active NPI records list a practice address in Grayslake, according to federal NPPES data refreshed monthly.

How many doctors in Grayslake received drug or device company payments?

30 of 113 providers in Grayslake (27%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.

Where does this data come from?

Provider records come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.

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Sources: NPPES (CMS), Doctors and Clinicians national files, CMS Open Payments 2025. Updated monthly. Records are public federal data and are not verified credentials, licensure checks, or endorsements. This directory is informational and not medical advice. How we build this directory.