| FAMILY MEDICINE PROVIDERS, INC. (M62791) | Director |
| HERITAGE MEDICAL PROVIDERS OF PALM BEACH COUNTY, INC. (M68861) | Director |
| INTERNATIONAL OPTICAL SERVICES, INC. (646570) | VP |
| MADISON UNDERWRITERS, INC. (P99000027211) | Director |
| MANAGED CARE OF COLOMBIA, INC. (P98000053060) | Director |
| MANAGED CARE OF SOUTH FLORIDA, INC. (L97060) | Director |
| MEDICAL MARKETING AND MANAGEMENT CORP. (F84031) | PST |
| NATIONAL A.C.L.F. ASSOCIATES, INC. (M37290) | President |
| NATIONAL HEALTH GROUP, INC. (M39161) | PD |
| NATIONAL HEALTH PROVIDERS, INC. (M53840) | Director |
| PREPAID PROVIDER PLUS, INC. (P02000030440) | SH |
| SPECIALTY PROVIDER GROUP, INC. (M51030) | Director |
| TRI-COUNTY DIAGNOSTIC ASSOCIATES, INC. (M36051) | Director |
| AVEL HEALTH GROUP, INC. (L38293) | Director |
| FAMILY INSURANCE GROUP, INC. (K53952) | President |
| MADISON INTERNATIONAL UNDERWRITER'S, INC. (P00000085403) | Director |
| MANAGE CARE ASSOCIATES, INC. (M68862) | Director |
| MANAGED CARE GROUP ASSOCIATES, INC. (S71962) | PD |
| MANAGED CARE OF AMERICA PPO, INC. (L96442) | Director |
| NATIONAL HEALTH PARTNERSHIP, INC. (M37292) | PD |
| THE HONDURAN DEVELOPMENT CORPORATION, INC. (S65252) | Director |
| CRANDON MARKETING, INC. (P03000102045) | PRES |
| MANAGED CARE GROUP, INC. (S26355) | Director |
| MANAGED CARE OF MEXICO, INC. (P98000054915) | Director |
| MANAGED CARE OF VENEZUELA, INC. (P98000026845) | Director |
| NATIONAL HEALTH FINANCIAL SERVICES INC. (M32354) | Director |
| NATIONAL HEALTH MARKETING CORPORATION (M21884) | President |
| NATIONAL HEALTH PIU, INC. (M52245) | Director |
| NATIONAL HEALTH-VENTURES, INC. (M34065) | PD |
| NEW HEALTH MED, INC. (M43464) | PD |
| THE ALLERGY SOLUTION, INC. (J31114) | Director |
| EIGHTH & TWELFTH MEDICAL CENTER, INC. (S02377) | Director |
| MANAGE CARE DIAGNOSTIC, INC. (K53956) | Director |
| MANAGED CARE OF ARGENTINA, INC. (P97000014826) | Director |
| MANAGED CARE OF BRAZIL, INC. (P98000054926) | Director |
| MARTIN LUTHER KING MEDICAL CENTER, INC. (M46706) | Director |
| MCA-INED, INC. (L98087) | Director |
| NATIONAL HEALTH ADVERTISING CORPORATION (J09407) | Director |
| NATIONAL MEDICAL REVIEW CORPORATION (M21886) | Director |
| PRIMARY CARE PLUS, INC. (H94997) | Director |
| SPANISH AMERICAN COALITION, INC. (728947) | Vice President |
| THE HEALTH CENTER OF MIAMI SPRINGS, INC. (S10146) | Director |
| CDC BUILDERS ASOCIADOS, INC. (P08000085958) | Director |
| COMMUNITY ACTION AND RESEARCH, INC. (732887) | VD |
| DADE & BROWARD HEALTH ASSOCIATES, INC. (K87499) | Director |
| FAMILY MEDICINE, INC. (K33359) | Director |
| INTERNATIONAL MEDICAL PHARMACY, INC. (644269) | VP |
| M.C.A. OF COLOMBIA, INC. (P00000085398) | Director |
| MANAGED CARE OF ECUADOR, INC. (P98000054918) | Director |
| MANAGED HOSPITALIZATIONS OF AMERICA, INC. (P94000079558) | Director |
| NATIONAL HEALTH ASSOCIATES, INC. (M39819) | PD |
| PROVIDERS PLUS, INC. (P01000085768) | President |
