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

MARISSA BARNHART, NP

NURSE PRACTITIONER

Graduated: 2026

NPI: 1841133667

Practice Locations (2)

2100 POWELL ST

EMERYVILLE, CA 946081826

1601 CUMMINS DR, SUITE D

MODESTO, CA 953586403

Source: CMS National Downloadable File, September 2026.