AMS vs CI

American Shared Hospital Services

American Shared Hospital Services leases radiosurgery and radiation therapy equipment to health care providers. The company offers radiosurgery equipment for the Gamma Knife stereotactic radiosurgery, a non-invasive procedure to treat malignant and benign brain tumors, and arteriovenous malformations, as well as for trigeminal neuralgia. It also provides financing services for Leksell Gamma Knife units. In addition, the company offers proton beam radiation therapy services in Orlando, Florida and Long Beach, California, as well as offers planning, installation, reimbursement, and marketing support services to its customers. As of March 1, 2021, it had thirteen operating Gamma Knife units located in the United States, as well as two in South America in Lima, Peru and Guayaquil, Ecuador. The company also operates one PBRT system. American Shared Hospital Services was founded in 1980 and is headquartered in San Francisco, California.

The Cigna Group

Cigna Corporation provides insurance and related products and services in the United States. Its Evernorth segment provides a range of coordinated and point solution health services, including pharmacy, benefits management, care, and intelligence solutions to health plans, employers, government organizations, and health care providers. The company's U.S. Medical segment offers commercial products and services, including medical, pharmacy, behavioral health, dental, vision, health advocacy programs, and other products and services for insured and self-insured customers; Medicare Advantage, Medicare Supplement, and Medicare Part D plans for seniors, as well as Medicaid plans; and individual health insurance plans to on and off the public exchanges. Its International Markets segment offers health coverage, hospitalization, dental, critical illness, personal accident, term life, medical cost containment, and variable universal life products, as well as health care benefits to mobile employees of multinational organizations. The company distributes its products and services through insurance brokers and consultants; directly to employers, unions and other groups, or individuals; and private and public exchanges. The company was founded in 1792 and is headquartered in Bloomfield, Connecticut.