Endocrine Associates. Nursing (Nurse Practitioner) • 1 Provider. 265 Ackerman Ave Ste 101, Ridgewood NJ, 07450. Make an Appointment. (201) 444-4363. Telehealth services available. Endocrine Associates is a medical group practice located in Ridgewood, NJ that specializes in Nursing (Nurse Practitioner). Providers Location Reviews..