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

COSMO LYLE FRASER, MD

NEPHROLOGY

Medical school: NEW YORK UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1979

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1215026760

Practice Locations (2)

2115 E ONSTOTT RD

YUBA CITY, CA 959911556

5307510399

2115 E ONSTOTT RD

YUBA CITY, CA 959911587

Source: CMS National Downloadable File, September 2026.

COSMO FRASER, MD | HealthCareAtlasUSA