NPI Portal NPI Lookup & Verification

Specialist in Lake Barrington, IL

5 active Specialist providers practice in Lake Barrington, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Specialist providers in Lake Barrington, IL
NPI Name Type Specialty Location
1588852818 Barrington Specialists in Adult Medicine Organization Specialist Lake Barrington, IL
1578559019 Jack Perlmutter Individual Specialist Lake Barrington, IL
1558332940 Lake Barrington Womens Health Center PC Organization Specialist Lake Barrington, IL
1750436952 Richard Ferolo Individual Specialist Lake Barrington, IL
1962416321 Stephen Rivard Individual Specialist Lake Barrington, IL

Frequently asked questions

How many Specialist providers are in Lake Barrington, IL?
The latest NPPES snapshot lists 5 active Specialist providers with a practice address in Lake Barrington, Illinois.
How do I check a Specialist provider's NPI in Lake Barrington?
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 2026-07-11.