You may want to consider filing for innocent spouse relief. But short of that, the amount is fairly small and securing representation may cost as much as just paying the bill. Balancing the costs and the benefits, your approach of contacting the IRS to work something out may be the best option. I would think you'd at least be well served to discuss with a local tax attorney in a free consult.
Evan A. Nielsen is licensed to practice law in California and handles federal tax matters throughout the U.S. The information provided here is for educational purposes only and is not intended as legal advice for a particular matter. This response does not create any attorney-client relationship with the author. For specific advice about your particular situation, please consult an attorney.