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 / ID

MARIELLEN C VAN NIEUWENHUYZEN, MD

FAMILY PRACTICE

Medical school: UNIVERSITY OF CALIFORNIA, DAVIS SCHOOL OF MEDICINE

Graduated: 2022

NPI: 1477167526

Practice Locations (2)

WALTER KNOX MEMORIAL HOSPITAL

1102 E LOCUST ST

EMMETT, ID 836172713

2083656004

WALTER KNOX MEMORIAL HOSPITAL

1202 E LOCUST ST

EMMETT, ID 836172715

2083653561

Source: CMS National Downloadable File, September 2026.

MARIELLEN VAN NIEUWENHUYZEN, MD | HealthCareAtlasUSA