occupation because of disease. Therefore, the Court will grant the plaintiff's motion to reverse the plan administrator's decision and deny the defendant's motion to affirm.

I.
The plaintiff, Tracy L. Clark, worked as a customer service representative for Consumers Energy (Consumers) in Alma, Michigan from April 15, 2000 until March 23, 2003, the date she claims she stopped working as a result of disabling fibromyalgia, TMJ, restless legs, and carpal tunnel syndrome. During her employment tenure, the plaintiff was responsible for taking gas and electric emergency calls, placing new service orders, various typing tasks, and collecting credit information. The *592 plaintiff ultimately filed a claim for long term disability on December 6, 2003.
The defendant, Aetna Life Insurance Company (Aetna), administers Consumers' long-term disability plan. Under the plan, Consumers agreed toor sickness is the basis of claim when and as often as it may reasonably require during the period for which such individual claims benefits under this policy.
AR at 332.
On December 10, 2003, Virginia White-Linn, a nurse practitioner who had been treating the plaintiff since June 2003, completed an attending physician statement in support of the plaintiff's application for long-term disability benefits. Under the impairing diagnosis and treatment portion of the form, Nurse Linn listed fibromyalgia as her primary diagnosis of the plaintiff. In addition, she diagnosed chronic pain, fatigue, and TMJ. The form further noted that the plaintiff was taking Elavil, Inderal, Klonopin, and Ultram for her symptoms and the plaintiff had undergone an appendectomy at the end of November 2003.
Nurse Linn checked under "abilities and limitations"