THE PUBLIC RECORD · NPPES / CMS

Derek Ball, PhD

Marriage & Family Therapist · Rock Island, IL

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).

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The record
NPI1770661795
In the register since2006
CredentialPhD
Listed specialtyMarriage & Family Therapist
Practice typeOrganization-affiliated
CityRock Island
StateIL

The federal register has carried this listing since 2006. 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.

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Derek Ball, PhD — Marriage & Family Therapist in Rock Island, IL · NPI 1770661795 · Gale