Preferred Provider Organization Providers in Illinois

305R00000X Illinois
150Providers in state
147Organizations
3Individuals
1/2Page

A directory of 150 health care providers with a business address in Illinois whose primary or secondary taxonomy code is 305R00000X (Preferred Provider Organization). You are viewing page 1 of 2, which lists 88 of these providers: 86 organizations and 2 individual providers, of whom 2 are female. About taxonomy code 305R00000X ›

Illinois Preferred Provider Organization Directory

Showing 88 providers on page 1 of 2, sorted by last name / organization name. Use the bar below to filter the providers on this page.

25 E WASHINGTON ST, SUITE 1115
Chicago, IL 60602
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
4850 S LAKE PARK AVE APT 1710
Chicago, IL 60615
  • Not in PECOS data
  • Organization · Preferred Provider Organization
590 WILLIAM R LATHAM SR DR
Bourbonnais, IL 60914
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
4608 W DIVERSEY AVE
Chicago, IL 60639
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
425 E IRVING PARK RD
Wood Dale, IL 60191
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
15255 S 94TH AVE
Orland Park, IL 60462
  • Not in PECOS data
  • Organization · Professional
No PECOS
1N121 COUNTY FARM RD, SUITE 220
Winfield, IL 60190
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
333 S STATE ST
Chicago, IL 60604
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
111 S WASHINGTON AVE, SUITE #202
Park Ridge, IL 60068
  • Not in PECOS data
  • Organization · Preferred Provider Organization
10725 S WESTERN AVE, 2ND. FLOOR
Chicago, IL 60643
  • Not in PECOS data
  • Organization · Preferred Provider Organization
16643 KEDZIE AVE, SUITE 102
Markham, IL 60428
  • Not in PECOS data
  • Organization · Preferred Provider Organization
No PECOS
9003 PARKSIDE AVE
Oak Lawn, IL 60453
  • Not in PECOS data
  • Organization · Exclusive Provider Organization
2 SOUTH 631 ROUTE 59, UNIT C
Warrenville, IL 60555
  • Not in PECOS data
  • Organization · Preferred Provider Organization
600 NORTH NORTH COURT, SUITE 260
Palatine, IL 60067
  • Not in PECOS data
  • Organization · Preferred Provider Organization

Frequently Asked Questions

As of the latest NPPES update, 150 providers in Illinois are registered under taxonomy code 305R00000X (Preferred Provider Organization). Of these, 147 (98%) are organizations and 3 (2%) are individual providers. Among the individual providers, 3 are female and 0 are male. The full directory spans 2 pages of up to 100 providers each.

Each card shows a PECOS badge based on the CMS Order and Referring dataset. A green PECOS badge means the provider appears in that dataset as eligible to order and refer. Open the provider profile, then verify directly in PECOS before relying on it for claims or credentialing.

The directory is rebuilt from the public NPPES registry, which is refreshed weekly. The NPI data on this page was last updated on June 28, 2026. A provider that recently updated their record may take a short time to appear here.

Provider Composition & Statistics

150Total providers
147Organizations 98%
3Individuals 2%
3Female
98% Organizations2% Individuals

Among individual providers:

100% F

Counts reflect Illinois. Gender is recorded for individual providers only. Source: NPPES.

Provider data from the National Plan and Provider Enumeration System (NPPES), refreshed weekly. PECOS status from the CMS Medicare Order and Referring dataset. Taxonomy from the NUCC code set, Version 25.1.