3,693 Nutritionist providers practice across all 50 states and Washington DC, and 0% received drug or device company payments in 2025. California has the most at 465. Listings are drawn from federal public records and are not endorsements.
There are 3,693 Nutritionist providers with active NPI records across all 50 states and Washington DC, according to federal NPPES data refreshed monthly. California has the most at 465.
0 of 3,693 Nutritionist providers nationally (0%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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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