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

GARY T LAI, MD

INTERNAL MEDICINE

Medical school: WARREN ALPERT MEDICAL SCHOOL OF BROWN UNIVERSITY

Graduated: 1996

Also: GENERAL PRACTICE

Offers telehealth

NPI: 1245332220

Practice Locations (2)

14335 PIPELINE AVE

CHINO, CA 917105642

9095483888

2525 S EUCLID AVE

ONTARIO, CA 917626620

9099862288

Source: CMS National Downloadable File, September 2026.

GARY LAI, MD | HealthCareAtlasUSA