THE PUBLIC RECORD · NPPES / CMS

Carl Johnson

Research Study Specialist · Claremont, CA

Compiled from the NPPES public registry (CMS). Data as of 2026-06-08.

This provider is not affiliated with Gale. This listing is compiled from the NPPES public registry (CMS).

Report an issue or request removal

The record
NPI1750077855
In the register since2023
Listed specialtyResearch Study Specialist
Practice typeSole proprietor
CityClaremont
StateCA

The federal register has carried this listing since 2023. It records a name, a credential, a city, a telephone number. It does not record services, hours, or what a first visit costs — the registry was never built to.

Improve the ability for patients to find you.

Claim your profile to see your Visibility Report (free). Review your listing and, once verified, edit what appears. Improve Search Engine Optimization (SEO) for free. Our goal is to help patients find great providers.

Claim this page

Free. No card. Removal is always one click.

Find this provider in the CMS registry

Looking for care? Start here

Carl Johnson — Research Study Specialist in Claremont, CA · NPI 1750077855 · Gale