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

TERESITA BELEN YAP GAN, MD

INTERNAL MEDICINE

Graduated: 1972

Also: FAMILY PRACTICE

NPI: 1114028727

Practice Locations (2)

CUA AND GAN MEDICAL CORPORATION

1433 W MERCED AVE

WEST COVINA, CA 917903402

6269604989

CUA, GAN AND BIEN MEDICAL CORPORATION

1433 W MERCED AVE

WEST COVINA, CA 917903402

6269604989

Source: CMS National Downloadable File, September 2026.