Specialists from Massachusetts General Hospital and Brigham and Women's Hospital will provide telemedicine services to Fortune 500 companies around the country through a new partnership. The Boston hospitals announced a deal between the Partners HealthCare Center for Connected Health and CHS Health Services Inc., a national workforce health management company specializing in onsite health care services. The new telemedicine offering would be initially geared towards employees in remote offices, who don’t have access to workplace-based healthcare providers. The financial terms of the deal were not disclosed.