Nutritionist in District of Columbia — NPI Providers
31 active Nutritionist providers have a practice location in District of Columbia according to the latest NPPES snapshot. Each profile shows the NPI number, taxonomy code, license details, and practice address — useful for claims, credentialing, and verifying a provider.
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Nutritionist providers in District of Columbia
| NPI | Name | Type | Specialty | Location |
|---|---|---|---|---|
| 1366413973 | Karen Vartan | Individual | Nutrition Education Nutritionist | Washington, DC |
Nutritionist by city in District of Columbia
Frequently asked questions
How many Nutritionist providers are in District of Columbia?
The latest NPPES snapshot lists 31 active providers with Nutritionist as their primary taxonomy and a practice location in District of Columbia.
How do I verify a Nutritionist provider's NPI in District of Columbia?
Open the provider's profile below to see their NPI, taxonomy code, license state, and practice address, then cross-check against the official NPPES registry (linked on every profile).
Can I get this data through an API?
Yes — the NPI Portal API provides JSON search by specialty, state, and city, plus batch NPI verification.
Source: CMS NPPES (public data). Snapshot 2026-07-09.