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

MARK LAURENCE SHIU, DO

FAMILY PRACTICE

Graduated: 2003

Also: EMERGENCY MEDICINE

Offers telehealth

NPI: 1629004478

Practice Locations (2)

GATEWAY MEDICOR - RANCHO CUCAMONGA INC

10995 EUCALYPTUS ST, SUITE 102

RANCHO CUCAMONGA, CA 917307687

9094666310

7974 HAVEN AVE, SUITE 250

RANCHO CUCAMONGA, CA 917303063

8007341733

Source: CMS National Downloadable File, September 2026.

MARK SHIU, DO | HealthCareAtlasUSA