Pacific Health Care Organization, Inc., together with its subsidiaries, provides specialty workers' compensation managed care services for self-administered employers, insurers, third-party administrators, municipalities, and other industries in the United States. The company is involved in managing health care organizations (HCOs) and medical provider networks (MPNs); and negotiates legal agreements for the implementation of workers' compensation carve-outs for California customers. It also offers HCO, MPN, and medical case management programs; and claims-related services, including utilization and medical bill review, medical case management, lien representation, legal support, and Medicare set aside.