Dr. Lev Kalika has contributed to multiple research studies in the field of musculoskeletal ultrason... View MoreDr. Lev Kalika has contributed to multiple research studies in the field of musculoskeletal ultrasonography and ultrasound guided dry needling. He is considered an international expert in integrative rehabilitation, sports medicine, injury prevention, athletic performance, and ultrasound guided dry needling. NYDNRehab is considered the most technologically advanced private physical therapy and rehabilitation clinic in the US.