Florida's "Terri's Bill" which authorized Jeb Bush to pick a "guardian," asks for that guardian to independently medically examine Ms. Schiavo and advise the Governor as to her condition and recommended treatment, if warranted. That's why Jeb Bush selected Wolfson, a physician, to serve as Terri's "guardian" pursuant to the law - because he was qualified to examine and diagnose Terri's physcial condition.

It's not a "guardian" it is a guardian.

"TAMPA, Fla. - Terri Schiavo should undergo a new examination by independent medical experts to put to rest lingering questions on whether she has any hope of recovery, the University of South Florida professor who had been her court-appointed advocate said Tuesday.
But before any tests are done, her warring husband and parents would have to agree to drop their life-or-death legal fight in favor of whichever side the medical evidence supports, Jay Wolfson told The Associated Press in his first interview on the case since serving as Terri Schiavo's guardian ad litem." *
....
" Wolfson is not alone among experts in suggesting new, independent reviews of Terri Schiavo's condition.
Arthur Caplan, a director of the Center for Bioethics at the University of Pennsylvania and one of the nation's leading experts on end-of-life care, said last week he too believes a panel of independent doctors should have been asked to evaluate her."
http://journals.aol.com/justice1949/JUSTICEFORTERRISCHIAVO/entries/409

Wolfson is not a medical doctor qualified to medically examine Ms. Schiavo. No where do I see that he has any qualifications for this. He is a lawyer with medical training, so he is definitely an expert in medical law and a probably a very reasonable choice as a guardian. But he would be a stupid choice for him to be her doctor and a even more stupid choice to have him to personnally diagnosis her regarding her condition.

Wolfson qualifications as state in above link are:

"He holds a doctorate in public health from the University of Texas, a law degree from Stetson University College of Law, a master’s degree in public health from Indiana University, a master’s degree in history from New York University, and an undergraduate degree in history from the University of Illinois.

He has been named a Faculty Scholar to the U.S. Centers for Disease Control and Prevention, a Senior Fulbright Scholar at the University of Tokyo Medical School, and a W. K. Kellogg Fellow in Health Care Finance.

He directs a nationally recognized, federally funded program that provides care and services for women, children and families infected with or affected by HIV/AIDS, as well as one of 18 nationally designated, federally funded centers for patient safety research.

Dr. Wolfson also has a private health law practice. "

* btw ad litem means: For the lawsuit or action (trustee ad litem)
http://www.answers.com/topic/ad-litem