Innovative Martial Arts & Krav Maga Defiance, located in Commack, New York, has received a mix of feedback from its patrons. Many reviewers praise the instructors for their friendliness, knowledge, and ability to engage students, creating a positive learning environment. However, there are concerns regarding billing practices and customer service that some parents have experienced. Overall, the school is recognized for its effective martial arts training and supportive atmosphere, but potential clients may want to inquire further about specific issues. For more information, please contact the school directly.