Six hundred Allina doctors, physician assistants and nurse practitioners who work in primary care are asking for a new contract with more work-life balance.

Allina is buying Crossroads Medical Centers, which has 10 family physicians in three locations in Chaska, Shakopee and Prior Lake. Neither party is disclosing financial details.

Allina Health confirmed Thursday evening that they had received notice. 500 Allina workers are ready to strike on Monday, May 15 if no deal is reached for a fair contract.

Officials with both Allina-Aetna and UnitedHealthcare, which is the nation's largest health insurer, first announced in 2017 their plans to expand in Minnesota starting this year.

Allina is one of Minnesota’s largest health systems, having largely grown through acquisitions. Since 2013, its annual profits have ranged from $30 million to $380 million.

Allina Health, a large nonprofit health system based in Minnesota, announced on Friday that it would stop withholding care from patients with outstanding medical debt as it “re-examines” its ...