| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| ONCOLOGY HEMATOLOGY ASSOCS OF | Business | 042003728 | PEORIA | NOT RENEWED | Verify |
| ONCOLOGY OF NORTHSHORE CLINIC PLLC | Business | 042616892 | ROLLING MEADOWS | ACTIVE | Verify |
| ONCOLOGY SC | Business | 042002301 | CHICAGO | NOT RENEWED | Verify |
| ONCOLOGY SPECIALISTS SC | Business | 042618554 | NILES | NOT RENEWED | Verify |
| ONCOLOGY SPECIALISTS SC | Business | 042618570 | SKOKIE | NOT RENEWED | Verify |
| ONCOLOGY SPECIALISTS SC | Business | 042617265 | PARK RIDGE | NOT RENEWED | Verify |
| ONCOLOGY-HEMATOLOGY ASSOCS OF | Business | 042007636 | GURNEE | NOT RENEWED | Verify |
| ONE HEALTH CHIROPRACTIC LTD | Business | 042620464 | FRANKFORT | ACTIVE | Verify |
| ONEIDA RADIOLOGIC SERVICES LTD | Business | 042006053 | JOLIET | NOT RENEWED | Verify |
| ONSIGHT VISION SERVICES LTD | Business | 042007967 | ROUND LAKE | NOT RENEWED | Verify |
| OOMMEN A JOSEPH MD SC | Business | 042002182 | DOWNERS GROVE | NOT RENEWED | Verify |
| OOMMEN A KOSHY MD SC | Business | 042002547 | BENSENVILLE | NOT RENEWED | Verify |
| OPEN HEART ASSOCIATES SC | Business | 042006829 | JOLIET | CANCELLED | Verify |
| OPHTHALMIC SERVICES LTD | Business | 042000328 | CHICAGO | NOT RENEWED | Verify |
| OPHTHALMIC SPECIALISTS GROUP LLC | Business | 042004573 | HOMEWOOD | NOT RENEWED | Verify |
| OPHTHALMIC SURGEONS AND CONSULTANTS LTD | Business | 042008027 | CHICAGO | NOT RENEWED | Verify |
| OPHTHALMOLOGICAL ASSOCIATES LTD | Business | 042000775 | BELLEVILLE | NOT RENEWED | Verify |
| OPHTHALMOLOGY ASSOCIATES LTD | Business | 042000088 | CHICAGO | NOT RENEWED | Verify |
| OPHTHALMOLOGY CENTER OF ILLINOIS SC | Business | 042620255 | TAYLORVILLE | NOT RENEWED | Verify |
| OPHTHALMOLOGY CONSULTANTS OF ILLINOIS SC | Business | 042620294 | WESTMONT | ACTIVE | Verify |
| OPHTHALMOLOGY LTD | Business | 042001759 | CHICAGO | CLOSED | Verify |
| OPHTHALMOLOGY NORTHWEST SC | Business | 042006439 | CHICAGO | NOT RENEWED | Verify |
| OPHTHALMOLOGY PARTNERS LTD | Business | 042004961 | DEERFIELD | NOT RENEWED | Verify |
| OPHTHALMOLOGY PARTNERS LTD | Business | 042620302 | LAKE FOREST | NOT RENEWED | Verify |
| OPTHALMIC ASSOCIATES | Business | 042000492 | CHICAGO | NOT RENEWED | Verify |
| OPTICAL OFFICES LTD | Business | 042006334 | ALTON | CANCELLED | Verify |
| OPTIMA MEDICAL ASSOCIATES LTD | Business | 042007451 | JOLIET | NOT RENEWED | Verify |
| OPTIMAL HEALTH & WELLNESS CENTER LTD | Business | 042618280 | GLEN ELLYN | NOT RENEWED | Verify |
| OPTIMAL HEALTH CHIROPRACTIC LTD | Business | 042618876 | CHICAGO | ACTIVE | Verify |
| OPTIMAL HEALTH LTD | Business | 042618216 | BURR RIDGE | NOT RENEWED | Verify |
| OPTIMAL REGENERATIVE OUTCOMES, S.C. | Business | 042621376 | GLENVIEW | ACTIVE | Verify |
| OPTIMUM CARE SC | Business | 042620778 | LOMBARD | ACTIVE | Verify |
| OPTIMUM CHIROPRACTIC CENTER SC | Business | 042619455 | AURORA | NOT RENEWED | Verify |
| OPTIMUM HEALTH CHIROPRACTIC & ACUPUNCTURE LTD | Business | 042617408 | PEKIN | NOT RENEWED | Verify |
| OPTIMUM SPORTS AND SPINAL REHABILITATION LTD | Business | 042618640 | LINCOLNSHIRE | NOT RENEWED | Verify |
| OPTIMUS HOSPITALISTS & PEDIATRIC | Business | 042008053 | OAK BROOK | ACTIVE | Verify |
| OPTIMUS HOSPITALISTS & PEDIATRIC | Business | 042008072 | OAK BROOK | NOT RENEWED | Verify |
| OPTIMUS HOSPITALISTS & PEDIATRIC SUBSPECIALISTS | Business | 042619584 | OAK BROOK | ACTIVE | Verify |
| OPUS PLASTIC SURGERY LTD | Business | 042619783 | CHICAGO | NOT RENEWED | Verify |
| ORAWAN SUKAVACHANA | Business | 042007543 | HANOVER PARK | NOT RENEWED | Verify |
| ORAWAN SUKAVACHANA MD SC | Business | 042619583 | ELGIN | NOT RENEWED | Verify |
| ORCHARD MEDICAL CENTER SC | Business | 042000976 | ANTIOCH | ACTIVE | Verify |
| ORES OB-GYN CLINIC SC | Business | 042001693 | PEORIA | NOT RENEWED | Verify |
| OREST M GARBOWSKY MD | Business | 042003030 | PERU | CANCELLED | Verify |
| OREST MRYSZUK MD SC | Business | 042004653 | ELGIN | NOT RENEWED | Verify |
| ORION H STUTEVILLE M | Business | 042000914 | CHICAGO | NOT RENEWED | Verify |
| ORLAND EMERGENCY SERVICES LTD | Business | 042004904 | CHICAGO | NOT RENEWED | Verify |
| ORLAND MEDICAL LTD | Business | 042619623 | WHEATON | NOT RENEWED | Verify |
| ORLAND PARK INTEGRATED HEALTH LTD | Business | 042620684 | ORLAND PARK | NOT RENEWED | Verify |
| ORLAND PARK MEDICAL SC | Business | 042619842 | ORLAND PARK | NOT RENEWED | Verify |