This type of agreement is common among physicians, but three states ([[Colorado]], [[Delaware]] and [[Massachusetts]]) prohibit them as a matter of public policy. They are enforceable in other states, but will be invalidated if unreasonable in geographic scope or duration, or if they fail to make a reasonable accommodation of the needs of patients. | This type of agreement is common among physicians, but three states ([[Colorado]], [[Delaware]] and [[Massachusetts]]) prohibit them as a matter of public policy. They are enforceable in other states, but will be invalidated if unreasonable in geographic scope or duration, or if they fail to make a reasonable accommodation of the needs of patients. |