Please I need help seriously. Syndactyly case, expert opinion, please.?

Hello. my baby is 1 month, she was born with syndactyly y her 1�, 2� fingers toes, and probability 3� and 4� on her rigth foot, nothing else. She looks as a only has 3 fingers toes. Who need to check her up? A plastic surgeron or pediatric orthopedic s. Who is the best doctor for that in US, please give answer. Thank you very much.