It is always good advice to consult with an attorney in the locale of your conviction who is knowledgeable in the particular area of law that is involved. Another source you might try is the probation department/officer that is supervising your case in NY. They may be able to advise you of your options in completeing these programs. PA/Montgomery County does recognize programs in other states. I recently had a MA resident who was allowed to complete his community service and safe driving...
As stated by my colleagues, the most recent DUI in PA will be your 3rd offense within the 10 year "look back" time period. The prosecutor may not have the Florida convictions in the file, but if asked about any prior convictions you have to answer truthfully. Unless there are alternatives to jail in the jurisdiction, you are looking at extended time in prison. Get the best dui lawyer you can find.
I agree with my colleagues. As I stated in my other answer to the "shadow" of this question, contact an experienced Montco lawyer for all the reasons given in the previous answers. While there are many excellent attorneys in Phila and elsewhere, I still believe in a "home court advantage".
Ms. Hazel is spot on with her answer. If you are representing yourself (pro se), this is another reason that it is never a good idea for a person to represent themselves. If you have an attorney, stop wasting your time on this site and ask him or her to look into it, These court dates in Bucks County are not set at the 11th hour so there should have been ample time to adjust your schedule.