| Entity Name | Type | License # | City | Status | Action |
|---|---|---|---|---|---|
| ONE HEALTH AND WELLNESS PLLC | Business | 248004418 | CHICAGO | NOT RENEWED | Verify |
| ONE STEP FORWARD BEHAVIORAL HEALTH | Business | 248007040 | GRAYSLAKE | ACTIVE | Verify |
| ONEHOURMD, PLLC | Business | 248002827 | ELMWOOD PARK | NOT RENEWED | Verify |
| ONIT VETERINARY MEDICINE 3.0 PLLC | Business | 248006730 | HINSDALE | ACTIVE | Verify |
| OPEN EYES OPEN HEART PSYCHOTHERAPY PLLC | Business | 248004701 | SPRINGFIELD | NOT RENEWED | Verify |
| OPEN HORIZONS COUNSELING PLLC | Business | 248006714 | LAKE VILLA | ACTIVE | Verify |
| OPEN SPACE THERAPY, PLLC | Business | 248006226 | CHICAGO | ACTIVE | Verify |
| OPERANT SPEECH LANGUAGE BEHAVIOR THERAPY LLC | Business | 248001326 | COBDEN | NOT RENEWED | Verify |
| OPHTHALMOLOGY SURGERY CENTER OF ILLINOIS LLC | Business | 248002884 | ITASCA | ACTIVE | Verify |
| OPTIM DENTAL LLC | Business | 248001163 | SPRINGFIELD | NOT RENEWED | Verify |
| OPTIMAL AGING INSTITUTE LLC | Business | 248001340 | ELGIN | NOT RENEWED | Verify |
| OPTIMAL DENTAL ASSOCIATES LLC | Business | 248001456 | TINLEY PARK | NOT RENEWED | Verify |
| OPTIMAL MENTAL HEALTH PLLC | Business | 248003961 | SPRINGFIELD | NOT RENEWED | Verify |
| OPTIMAL PSYCHOLOGICAL & CONSULTING SERVICES, PLLC | Business | 248005713 | PALOS HEIGHTS | ACTIVE | Verify |
| OPTIMAL U WELLNESS PLLC | Business | 248007006 | SAINT CHARLES | ACTIVE | Verify |
| OPTIMIZED HEALTH, PLLC | Business | 248003458 | EVANSTON | NOT RENEWED | Verify |
| OPTIMUM QUALITY BEHAVIORAL HEALTH, PLLC | Business | 248005724 | EVANSTON | ACTIVE | Verify |
| OPTONU LOW VISION CARE PLLC | Business | 248004344 | WILMETTE | ACTIVE | Verify |
| OPTONU LOW VISION CARE PLLC | Business | 248004531 | CHICAGO | NOT RENEWED | Verify |
| OPTONU LOW VISION CARE PLLC | Business | 248007271 | BUFFALO GROVE | ACTIVE | Verify |
| ORAL AND MAXILLOFACIAL SURGEONS FOR NORTHERN ILLINOIS, PLLC | Business | 248007587 | SYCAMORE | ACTIVE | Verify |
| ORAL HEALTHCARE PROFESSIONALS LLC | Business | 248000893 | DOWNERS GROVE | NOT RENEWED | Verify |
| ORAL SURGERY SOLUTIONS, PLLC | Business | 248003217 | LISLE | ACTIVE | Verify |
| ORCHARD 1821 PLLC | Business | 248002557 | WEST FRANKFORT | NOT RENEWED | Verify |
| ORCHARD WELLNESS PLLC | Business | 248005513 | SKOKIE | ACTIVE | Verify |
| ORCUTT PSYCHOLOGICAL SERVICES LLC | Business | 248005527 | SAINT CHARLES | ACTIVE | Verify |
| OREILLY GASTROENTEROLOGY CONSULT LLC | Business | 248001287 | PALOS HEIGHTS | NOT RENEWED | Verify |
| ORGANIC HEALING COUNSELING PLLC | Business | 248007574 | PARK RIDGE | ACTIVE | Verify |
| ORI DENTAL SERVICES LLC | Business | 248002700 | HIGHLAND PARK | NOT RENEWED | Verify |
| ORLAND BEHAVIORAL HEALTH LLC | Business | 248002851 | ORLAND PARK | NOT RENEWED | Verify |
| ORLAND DENTAL STUDIO, PLLC | Business | 248007529 | ORLAND PARK | ACTIVE | Verify |
| OROURKE VETERINARY SERVICES LLC | Business | 248000941 | PEKIN | ACTIVE | Verify |
| ORSINI ANIMAL HOSPITAL, PLLC | Business | 248007595 | ARLINGTON HEIGHTS | ACTIVE | Verify |
| ORTHMIDWEST PLLC | Business | 248007137 | WESTCHESTER | ACTIVE | Verify |
| ORTHO REHAB SPECIALISTS PLLC | Business | 248005827 | LOVES PARK | ACTIVE | Verify |
| ORTHO REHAB SPECIALISTS, PLLC | Business | 248002765 | BELVIDERE | ACTIVE | Verify |
| ORTHO REHAB SPECIALISTS, PLLC | Business | 248002763 | BYRON | ACTIVE | Verify |
| ORTHO REHAB SPECIALISTS, PLLC | Business | 248002764 | DIXON | ACTIVE | Verify |
| ORTHO REHAB SPECIALISTS, PLLC | Business | 248002767 | ROCKFORD | ACTIVE | Verify |
| ORTHO REHAB SPECIALISTS, PLLC | Business | 248002768 | WINNEBAGO | ACTIVE | Verify |
| ORTHO SPORT & SPINE PHYSICIANS OF ILLINOIS, PLLC | Business | 248003921 | OAKBROOK TERRACE | ACTIVE | Verify |
| ORTHODONTIC ASSOCIATES OF CENTRAL ILLINOIS PLLC | Business | 248001450 | BLOOMINGTON | ACTIVE | Verify |
| ORTHODONTIC ASSOCIATES OF CENTRAL ILLINOIS PLLC | Business | 248000958 | BLOOMINGTON | ACTIVE | Verify |
| ORTHODONTIC ASSOCIATES OF CENTRAL ILLINOIS PLLC | Business | 248001442 | BLOOMINGTON | NOT RENEWED | Verify |
| ORTHOILINOIS | Business | 248005471 | ALGONQUIN | ACTIVE | Verify |
| ORTHOILLINOIS | Business | 248005481 | ROCKFORD | ACTIVE | Verify |
| ORTHOILLINOIS | Business | 248005472 | ROCKFORD | ACTIVE | Verify |
| ORTHOILLINOIS | Business | 248005914 | MACHESNEY PARK | ACTIVE | Verify |
| ORTHOMIDWEST | Business | 248005467 | ELGIN | ACTIVE | Verify |
| ORTHOMIDWEST | Business | 248005466 | HUNTLEY | ACTIVE | Verify |