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 / WA

JONATHAN ASHLEY JEFFERSON, MD

NEPHROLOGY

Graduated: 1989

Also: INTERNAL MEDICINE

Offers telehealth

NPI: 1710062526

Practice Locations (2)

THE ASSOCIATION OF UNIVERSITY PHYSICIANS

1701 COLUMBIA RD

SEATTLE, WA 981950001

2065983100

THE ASSOCIATION OF UNIVERSITY PHYSICIANS

1959 NE PACIFIC ST

SEATTLE, WA 981950001

2065984333

Source: CMS National Downloadable File, September 2026.

JONATHAN JEFFERSON, MD | HealthCareAtlasUSA