| 20 -20 Medical Services Inc | 111 Erick St Ste 125 Crystal Lake, IL 60014 | (815) 455-8293 |
| 20 -20 Medical Services Inc | 55 Parkview Ct Crystal Lake, IL 60012 | (815) 455-8293 |
| 21st Century Dental | 5819 E Riverside Blvd Rockford, IL 61114-4963 | (815) 637-4846 |
| 2800 Sheridan Radiology | 2800 N Sheridan Rd Ste G10 Chicago, IL 60657-6163 | (773) 348-7886 |
| 3120 Medical Center | 100 N 8th St East Saint Louis, IL 62201-2989 | (618) 274-2111 |
| 3T Imaging | 9000 Waukegan Rd Ste 110 Morton Grove, IL 60053 | (847) 213-2700 |
| 3T Imaging of Morton Grove | 9000 Waukegan Rd Ste 100 Morton Grove, IL 60053 | (888) 894-2652 |
| 63rd Advanced Clinic | 1249 W 63rd St Chicago, IL 60636-1947 | (773) 778-8830 |
| 79th & Halsted Medical Clinic | 746 W 79th St Chicago, IL 60620-2424 | (773) 994-6302 |
| A AA Foot & Ankle Associates | 1121 W Greenwood Ave Waukegan, IL 60087-4919 | (847) 336-3338 |
| A BC Medical | 1550 N Mannheim Rd Stone Park, IL 60165 | (708) 450-1052 |
| A BC Medical Services Inc | 3601 Ridge Rd Lansing, IL 60438-3379 | (708) 418-0008 |
| A Beautiful You Weight Loss & Cosmetic Center | 654 W Veterans Pkwy Yorkville, IL 60560 | (630) 553-9596 |
| A Better Choice Chiropractic Center | 7s136 Thornapple Dr Naperville, IL 60540 | (630) 355-2023 |
| A Board Certified Podiatry Group | 6601 S Cass Ave Westmont, IL 60559-3266 | (630) 852-8650 |
| A CGT Inc | 35 W Waltz Dr Wheeling, IL 60090-6052 | (847) 215-5198 |
| A Chiropractic Clinic | Pine St Percy, IL 62272 | (618) 497-2867 |
| A CL | 16105 La Salle St South Holland, IL 60473-2064 | (708) 333-6813 |
| A CL | 17850 Kedzie Ave Hazel Crest, IL 60429-2058 | (708) 647-8745 |
| A CL | 2010 S Arlington Heights Rd Arlington Heights, IL 60005-4134 | (847) 593-1579 |
| A CL Lab | 10522 S Cicero Ave Oak Lawn, IL 60453-5200 | (708) 229-0284 |
| A CL Lab | 14434 John Humphrey Dr Orland Park, IL 60462-2638 | (708) 873-1504 |
| A CL Lab | 17517 80th Ave Tinley Park, IL 60477-6501 | (708) 429-5113 |
| A CL Lab | 4400 W 95th St Oak Lawn, IL 60453-2654 | (708) 423-0431 |
| A CL Lab | 9831 S Western Ave Chicago, IL 60643-1791 | (773) 239-2536 |