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 / WA

LOUIS NIEUWENHUIZEN, CP

CLINICAL PSYCHOLOGIST

Graduated: 2015

Offers telehealth

NPI: 1689101859

Practice Locations (1)

OLYMPIC PSYCHOLOGY SERVICES, PLLC

711 COURT A, SUITE 114

TACOMA, WA 984025227

2532696063

Source: CMS National Downloadable File, September 2026.

LOUIS NIEUWENHUIZEN, CP | HealthCareAtlasUSA