Specialized and experienced staff

dedicated to Pelvic Floor health for women and men



Physical Therapists

Niva Herzig, MS PT received her BS from George Washington University in 1996 and her MSPT from Thomas Jefferson University in 2003. Niva, originally from Israel, grew up in the suburbs of Philadelphia. She is fluent in Hebrew and English. Niva has written several articles related to pregnancy and also to pelvic floor muscle dysfunction. She also as been an assistant in several pelvic floor muscle dysfunction and pregnancy courses. She has received her biofeedback certification from the Biofeedback Institute of America (BCIA-PMDB). Niva has attended abundant courses and conferences on pelvic floor muscle dysfunction and is always eager to continue her education. She is a proud member of the Section on Women?s Health of the American Physical Therapy Association, as well as other associations. In November 2007, she proudly opened the doors to Core Dynamics Physical Therapy; A Pelvic Floor Clinic.

Rebecca Marcus PT, DPT 

Rebecca is the newest member of Core Dynamics Physical Therapy. Rebecca graduated with a Doctorate in Physical Therapy and honors from Touro College School of Health Sciences. Rebecca has experience in treating orthopedic, neurological, and pelvic floor conditions. Rebecca has completed a clinical training specialized in pelvic floor rehabilitation, and provided compassionate hands-on care to patients struggling with pelvic floor dysfunction. Rebecca has taken continuing education through the Herman and Wallace Pelvic Rehabilitation Institute, as well as coursework on The Thoracic Ring Approach through the Connect Therapy Series. Rebecca is happy to be working in her home state of New Jersey and is excited to be part of the Core Dynamics Physical Therapy team. Rebecca is passionate about pelvic floor physical therapy and enjoys helping patients lead a happier, healthier, and more meaningful life.

Office Administrators

Anabel Calo Diaz 

Please contact Anabel with any scheduling, insurance and billing questions. Anabel is fluent in Spanish and English.