NPI Portal NPI Lookup & Verification

Internal Medicine in Waterloo, IL

6 active Internal Medicine providers practice in Waterloo, Illinois according to the latest NPPES snapshot. Profiles include the NPI number, taxonomy code, license state, and practice address.

Internal Medicine providers in Waterloo, IL
NPI Name Type Specialty Location
1336856806 Deaconess Illinois Specialty Clinic, Inc. Organization Interventional Cardiology Physician Waterloo, IL
1407018781 Drs Pichet & Meechai Organization Internal Medicine Physician Waterloo, IL
1700768603 Gcp Aco 2 LLC Organization Internal Medicine Physician Waterloo, IL
1104674431 Generation Clinical Partners Aco, LLC Organization Internal Medicine Physician Waterloo, IL
1366781171 Msa Alliance, LLC Organization Nephrology Physician Waterloo, IL
1205846516 William Reilly Individual Interventional Cardiology Physician Waterloo, IL

Frequently asked questions

How many Internal Medicine providers are in Waterloo, IL?
The latest NPPES snapshot lists 6 active Internal Medicine providers with a practice address in Waterloo, Illinois.
How do I check a Internal Medicine provider's NPI in Waterloo?
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.