Psychologist in Johnston, IA
9 active Psychologist providers practice in Johnston, Iowa according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.
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Frequently asked questions
How many Psychologist providers are in Johnston, IA?
The latest NPPES snapshot lists 9 active Psychologist providers with a practice address in Johnston, Iowa.
How do I check a Psychologist provider's NPI in Johnston?
Open a profile below to see the NPI number, taxonomy code, and practice address, then verify against the official NPPES registry — every profile links directly to the CMS record.
Source: CMS NPPES (public data). Snapshot 2026-07-10.