325 Internist Chiropractor providers practice across all 50 states and Washington DC, and 2% received drug or device company payments in 2025. Illinois has the most at 51. Listings are drawn from federal public records and are not endorsements.
Industry payment share ranges from 4% in Illinois to 2% in California, among states with 25 or more providers.
There are 325 Internist Chiropractor providers with active NPI records across all 50 states and Washington DC, according to federal NPPES data refreshed monthly. Illinois has the most at 51.
6 of 325 Internist Chiropractor providers nationally (2%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program. The share is highest in Illinois at 4% and lowest in California at 2%.
Provider counts 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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