HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / CA

MARIANNA CHAVEZ, NP

NURSE PRACTITIONER

Graduated: 2023

NPI: 1932981867

Practice Locations (1)

3200 E GUASTI RD, SUITE 100

ONTARIO, CA 917618661

6267148739

Source: CMS National Downloadable File, September 2026.