HealthCareAtlasUSA

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Doctors / WA

WILLIAM MARSHALL, PA

PHYSICIAN ASSISTANT

Graduated: 2024

NPI: 1427834779

Practice Locations (4)

OPTUM CARE WASHINGTON PLLC

1321 COLBY AVE

EVERETT, WA 982011665

4252612000

OPTUM CARE WASHINGTON PLLC

1330 ROCKEFELLER AVE

EVERETT, WA 982011684

4252590966

OPTUM CARE WASHINGTON PLLC

3901 HOYT AVE

EVERETT, WA 982014918

4253395442

OPTUM CARE WASHINGTON PLLC

3927 RUCKER AVE

EVERETT, WA 982014833

4252590966

Source: CMS National Downloadable File, September 2026.

WILLIAM MARSHALL, PA | HealthCareAtlasUSA