The average base salary for a senior medical writer differs from one location or company to another. In the US, the estimated total pay for a senior medical writer, according to Talent.com, is $107,500 per year or $55.13 per hour. The senior medical writer’s base salary is $80,128 per year without additional pay and benefits. Early-career senior medical writers make at least $95,000 annually, while most experienced senior medical writer...