Is the cost of Assistant Living for an Alzheimer's patient tax deductible?
My doctor will say its necessary to place him in a home, approx. $4500 amonth, is this a tax deduction for his wife?
It depends. If the doctor were prescribing Assisted Living for medical care, then yes, medical expenses would be tax deductible.
However, there are different eligibility requirements for medical and long-term care, so it's best to consult with an elder law attorney prior to taking any action in order to take the best course of action given the family's unique circumstances. For example, learning what kind of documentation is needed from a medical professional.
To get you started, read the Caring.com Expert's response here: Are there tax deductions for assisted living care?.
Also read A Caregiver's Guide to Elder Law Attorneys.