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

JOHN B SIEBENLIST, MD

DERMATOLOGY

Graduated: 1997

NPI: 1164476909

Practice Locations (1)

J ROBERT WEST MD INC

400 NEWPORT CTR DR, SUITE 702

NEWPORT BEACH, CA 926607669

9496440101

Source: CMS National Downloadable File, September 2026.

JOHN SIEBENLIST, MD | HealthCareAtlasUSA