I don't think bunion surgery is necessary for you. There are lots of great podiatrists out there, but some want to do unnecessary procedures to make money. Please be aware of this.
http://orthoinfo.aaos.org/topic.cfm?topic=a00140
From thsi website, reasons that you may benefit from bunion surgery commonly include:
Severe foot pain that limits your everyday activities, including walking and wearing reasonable shoes. You may find it hard to walk more than a few blocks (even in athletic shoes) without significant pain.
Chronic big toe inflammation and swelling that doesn't improve with rest or medications.
Toe deformity-a drifting in of your big toe toward the small toes.
Toe stiffness-inability to bend and straighten your toe.
Failure to obtain pain relief from nonsteroidal anti-inflammatory drugs. Their effectiveness in controlling toe pain varies greatly from person to person.
Failure to substantially improve with other treatments such as a change in shoes and anti-inflammatory medication.
As you explore bunion surgery, be aware that so-called "simple" or "minimal" surgical procedures are often inadequate "quick fixes" that can do more harm than good. And beware of unrealistic claims that surgery can give you a "perfect" foot. The goal of surgery is to relieve as much pain, and correct as much deformity as is realistically possible. It is not meant to be cosmetic.