Home [drjengreen.com] Jen Green is a Naturopathic Doctor (ND) who is board certified in Naturopathic Oncology (FABNO). She provides consultations for integrative cancer care, survivorship care, … Jen Green is a Naturopathic Doctor (ND) who is board certified in Naturopathic Oncology (FABNO). She provides consultations for integrative cancer care, survivorship care, …