| LIGHTHOUSE CLINICAL SERVICES, PLLC | Business | 248004805 | CRYSTAL LAKE | ACTIVE | Verify |
| LIGHTHOUSE COUNSELING SOLUTIONS, PLLC | Business | 248004192 | SPRINGFIELD | ACTIVE | Verify |
| LIGHTHOUSE FAMILY COUNSELING, LLC | Business | 248002701 | ROCK ISLAND | NOT RENEWED | Verify |
| LIGHTHOUSE SPEECH THERAPY, PLLC | Business | 248007011 | ROCKTON | ACTIVE | Verify |
| LIGHTKEEPER COUNSELING PLLC | Business | 248004803 | COLLINSVILLE | ACTIVE | Verify |
| LILAC FAMILY COUNSELING, PLLC | Business | 248007649 | LOMBARD | ACTIVE | Verify |
| LILAC HEALTH PLLC | Business | 248003412 | PLAINFIELD | NOT RENEWED | Verify |
| LILAC PSYCHOTHERAPY, PLLC | Business | 248006244 | CHICAGO | ACTIVE | Verify |
| LILAS EYE CARE & ASSOCIATES LLC | Business | 248000808 | ORLAND PARK | NOT RENEWED | Verify |
| LILAVIE COUNSELING PLLC | Business | 248005536 | OSWEGO | ACTIVE | Verify |
| LILLY TELE DERMATOLOGY PLLC | Business | 248007051 | OAK BROOK | ACTIVE | Verify |
| LILY CENTER OF CHICAGO PLLC | Business | 248004223 | CHICAGO | ACTIVE | Verify |
| LIMELIGHT MED SPA & COSMETIC LASER CENTRE LLC | Business | 248000611 | PLAINFIELD | NOT RENEWED | Verify |
| LIMINAL HORIZONS, PLLC | Business | 248004612 | NORTHFIELD | ACTIVE | Verify |
| LIMINAL PATHWAYS COUNSELING, PLLC | Business | 248004718 | GENEVA | ACTIVE | Verify |
| LIMITLESS PHYSICAL THERAPY PLLC | Business | 248002783 | O FALLON | NOT RENEWED | Verify |
| LINCOLN PARK PRIMARY CARE, PLLC | Business | 248006940 | CHICAGO | ACTIVE | Verify |
| LINCOLN WAY CHIROPRACTIC CLINIC LLC | Business | 248001336 | NEW LENOX | NOT RENEWED | Verify |
| LINCOLN WAY FAMILY DENTAL | Business | 248000406 | MOKENA | NOT RENEWED | Verify |
| LINCOLNSHIRE | Business | 248002447 | LINCOLNSHIRE | NOT RENEWED | Verify |
| LINCOLNSHIRE SURGICAL CARE LLC | Business | 248000098 | LINCOLNSHIRE | NOT RENEWED | Verify |
| LINCOLNWOOD ORTHOPEDICS LLC | Business | 248000252 | LINCOLNWOOD | NOT RENEWED | Verify |
| LINCOLNWOOD ORTHOPEDICS LLC | Business | 248000702 | LINCOLNWOOD | NOT RENEWED | Verify |
| LINCOLNWOOD ORTHOPEDICS LLC | Business | 248000701 | LINCOLNWOOD | NOT RENEWED | Verify |
| LINDA L ZIMMERMAN LCPC LLC | Business | 248000573 | NORTHBROOK | NOT RENEWED | Verify |
| LINDA M HEYING PSYD LMFT PLLC | Business | 248003159 | LOMBARD | ACTIVE | Verify |
| LINDA N. SUMMERS, PSY.D., PLLC | Business | 248004440 | COLLINSVILLE | NOT RENEWED | Verify |
| LINDA NGUYEN, MS, LMFT, PLLC | Business | 248003982 | ROCKFORD | NOT RENEWED | Verify |
| LINDA PORTER COUNSELING LLC | Business | 248001062 | DEERFIELD | ACTIVE | Verify |
| LINDEN COUNSELING SERVICES PLLC | Business | 248004262 | OAK PARK | NOT RENEWED | Verify |
| LINDENHURST ANESTHESIA LLC | Business | 248002530 | CHICAGO | CANCELLED | Verify |
| LINDENHURST ANESTHESIA PLLC | Business | 248003097 | ROSEMONT | ACTIVE | Verify |
| LINDSAY DIPASQUALE VALIPOUR | Business | 248006324 | STREAMWOOD | ACTIVE | Verify |
| LINDSAY ROSE PSYCHOTHERAPY, PLLC | Business | 248007405 | CHICAGO | ACTIVE | Verify |
| LINDSEY DRUMMOND PSYCHOTHERAPY PLLC | Business | 248006881 | CHICAGO | ACTIVE | Verify |
| LINDSEY ROGERS COUNSELING PLLC | Business | 248005798 | WESTCHESTER | ACTIVE | Verify |
| LINES OF COMMUNICATION SPEECH AND LANGUAGE THERAPY PLLC | Business | 248003363 | BOLINGBROOK | ACTIVE | Verify |
| LION CONCIERGE PHYSICAL THERAPY SERVICES, PLLC | Business | 248003844 | WASHINGTON | NOT RENEWED | Verify |
| LION'S HEART THERAPY PLLC | Business | 248007076 | SPRINGFIELD | ACTIVE | Verify |
| LIONBERGER THERAPY, PLLC | Business | 248005595 | CHICAGO | ACTIVE | Verify |
| LIONHEART EXPOSURE THERAPY, PLLC | Business | 248007628 | SCHAUMBURG | ACTIVE | Verify |
| LISA ANDREWS LCSW PLLC | Business | 248004548 | CHICAGO | NOT RENEWED | Verify |
| LISA P BLUMBERG LCSW PLLC | Business | 248006547 | NORTHBROOK | ACTIVE | Verify |
| LISAN SPEECH, SWALLOW, & VOICE THERAPY PLLC | Business | 248004581 | WHEATON | ACTIVE | Verify |
| LISLE CHIROPRACTIC CLINIC LLC | Business | 248000407 | LISLE | NOT RENEWED | Verify |
| LITCHFIELD DENTAL PROFESSIONALS LLC | Business | 248000773 | LITCHFIELD | NOT RENEWED | Verify |
| LITTLE BEAN THERAPY PLLC | Business | 248006141 | CHICAGO | ACTIVE | Verify |
| LITTLE CHATTERBOX THERAPY SERVICES PLLC | Business | 248006965 | RIVER GROVE | ACTIVE | Verify |
| LITTLE CHOMPERS PEDIATRIC DENTISTRY PLLC | Business | 248003666 | CHICAGO | NOT RENEWED | Verify |
| LITTLE DRAGONS PEDIATRIC COUNSELING PLLC | Business | 248006506 | NEW LENOX | ACTIVE | Verify |