At Arrowhead Regional Medical Center, we are on a journey to create a world-class health care organization. For more than 20 years, ARMC has provided the people of San Bernardino County with high-quality medical services. Our facility was built to meet the steadily increasing health needs of our growing population.Covid-19‧My ARMC Health Portal‧Services‧Providers‧Patients & Visitors‧Education & Research.