Internal Medicine Providers in Illinois

207R00000X Illinois
13,524Providers in state
2,285Organizations
11,239Individuals
1/136Page

A directory of 13,524 health care providers with a business address in Illinois whose primary or secondary taxonomy code is 207R00000X (Internal Medicine). You are viewing page 1 of 136, which lists 88 of these providers: 31 organizations and 57 individual providers, of whom 27 are female and 30 are male. On this page, 52 are enrolled in PECOS; 33 accept and 1 may accept Medicare assignment. About taxonomy code 207R00000X ›

Illinois Internal Medicine Directory

Showing 88 providers on page 1 of 136, sorted by last name / organization name. Use the bar below to filter the providers on this page.

No PECOS
1828 W WEBSTER AVE STE 450
Chicago, IL 60614
  • Not in PECOS data
  • Organization · Internal Medicine
No PECOS
WESTLAKE HOSPITAL, 1225 W. LAKE STREET
Melrose Park, IL 60160
  • Not in PECOS data
  • Organization · Internal Medicine
No PECOS
3344 W PETERSON AVE STE 102
Chicago, IL 60659
  • Not in PECOS data
  • Organization · Geriatric Medicine
No PECOS
111 N WABASH AVE STE 1116-LM
Chicago, IL 60602
  • Not in PECOS data
  • Organization · Clinical Medical Laboratory
6 E PHILLIP RD
Vernon Hills, IL 60061
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Emergency Medicine
836 W WELLINGTON AVE
Chicago, IL 60657
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1401 EASTLAND DR
Bloomington, IL 61701
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
530 NE GLEN OAK AVE
Peoria, IL 61637
  • Enrolled in PECOS, eligible to order and refer
  • May accept Medicare assignment
  • Individual · Internal Medicine
1901 W HARRISON ST
Chicago, IL 60612
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
1135 S DELANO CT E STE A201
Chicago, IL 60605
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
611 W PARK ST
Urbana, IL 61801
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
1008 W FOSTER AVE
Chicago, IL 60640
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
2525 S MICHIGAN AVE
Chicago, IL 60616
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
836 W WELLINGTON AVE
Chicago, IL 60657
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Hospitalist
636 RAYMOND DR, SUITE 106
Naperville, IL 60563
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
4700 N MARINE DR, STE 300
Chicago, IL 60640
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
2160 S 1ST AVE
Maywood, IL 60153
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
2900 N LAKE SHORE DR
Chicago, IL 60657
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
401 E CARPENTER ST
Springfield, IL 62702
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Endocrinology, Diabetes & Metabolism
3333 WARRENVILLE RD STE 200
Lisle, IL 60532
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
10400 HALIGUS RD # WP1130
Huntley, IL 60142
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Hospitalist
530 NE GLEN OAK AVE
Peoria, IL 61637
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1701 CURTIS RD
Champaign, IL 61822
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Critical Care Medicine
751 N RUTLEDGE ST STE 1700
Springfield, IL 62702
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Pulmonary Disease
7620 W 111TH ST
Palos Hills, IL 60465
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
7900 N MILWAUKEE AVE STE 19
Niles, IL 60714
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Hospitalist
5841 S MARYLAND AVE STE MC7082
Chicago, IL 60637
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
2525 S MICHIGAN AVE
Chicago, IL 60616
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1700 LUTHER LN STE 2200
Park Ridge, IL 60068
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Hematology & Oncology
800 BIESTERFIELD RD, STE 705A
Elk Grove Village, IL 60007
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Internal Medicine
8600 ILLINOIS ROUTE 91, SUITE 330
Peoria, IL 61615
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Allergy & Immunology
15900 CICERO AVE
Oak Forest, IL 60452
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Infectious Disease
1600 W DEMPSTER ST STE 120
Park Ridge, IL 60068
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1725 W HARRISON ST
Chicago, IL 60612
  • Enrolled in PECOS, eligible to order and refer
  • Individual · Hospice and Palliative Medicine
5841 S MARYLAND AVE
Chicago, IL 60637
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
409 W OAK ST
Carbondale, IL 62901
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Clinical Cardiac Electrophysiology
1555 BARRINGTON RD
Hoffman Estates, IL 60169
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Hospitalist
3 ERIE CT STE L-700
Oak Park, IL 60302
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
17901 GOVERNORS HWY # 209
Homewood, IL 60430
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
172 E SCHILLER ST
Elmhurst, IL 60126
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine
1901 W HARRISON ST
Chicago, IL 60612
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Infectious Disease
1200 S YORK ST STE 2000
Elmhurst, IL 60126
  • Enrolled in PECOS, eligible to order and refer
  • Accepts Medicare assignment
  • Individual · Internal Medicine

Frequently Asked Questions

As of the latest NPPES update, 13,524 providers in Illinois are registered under taxonomy code 207R00000X (Internal Medicine). Of these, 2,285 (17%) are organizations and 11,239 (83%) are individual providers. Among the individual providers, 4,686 are female and 6,551 are male. The full directory spans 136 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 July 5, 2026. A provider that recently updated their record may take a short time to appear here.

Provider Composition & Statistics

13,524Total providers
2,285Organizations 17%
11,239Individuals 83%
4,686Female
6,551Male
17% Organizations83% Individuals

Among individual providers:

42% F58% M

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 26.0.