Peer Specialist in Illinois — NPI Providers

137 active Peer Specialist providers have a practice location in Illinois 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.

No indexed providers to list yet — try the NPI search for IL.

Peer Specialist by city in Illinois

Frequently asked questions

How many Peer Specialist providers are in Illinois?
The latest NPPES snapshot lists 137 active providers with Peer Specialist as their primary taxonomy and a practice location in Illinois.
How do I verify a Peer Specialist provider's NPI in Illinois?
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.