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

CLAYTON WILLIAM LONG, MD

HEMATOLOGY/ONCOLOGY

Graduated: 2019

Also: PEDIATRIC MEDICINE

NPI: 1568027647

Practice Locations (1)

PO BOX

SEATTLE, WA 98145

Source: CMS National Downloadable File, September 2026.

CLAYTON LONG, MD | HealthCareAtlasUSA