Dr. Antoinette Youngdahl Palecek has 15+ years of experience in family medicine. Education. Antoinette Youngdahl Palecek, MD earned a degree of a Doctor of Medicine. Licenses and Affiliations. Antoinette Youngdahl Palecek, MD has been registered with the National Provider Identifier database since October 05, 2006, and her NPI number is 1629164983..