Staff
DataGen’s health care experts have more than 60 years of combined experience in addressing complex health care issues and extensive knowledge of the Medicare system. To contact a staff member click on the names below.

Mark Callan
President
(518) 431-7703
mcallan@hanys.org
Mark Callan has more than 20 years of experience in the development of health care financial and clinical databases and information products to support hospitals’ planning, budgeting, and financial analysis activities. For 15 years, Mark worked in Economics, Finance, and Information at the Healthcare Association of New York State, providing information for federal advocacy efforts and member education. Since 2000, Mark has been responsible for HANYS’ national databases and associated information-based products that are provided to hospital associations, health care organizations, and hospitals throughout the United States.