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

SHAWN L SLACK, MD

RHEUMATOLOGY

Medical school: UNIVERSITY OF WASHINGTON SCHOOL OF MEDICINE

Graduated: 1992

Offers telehealth

NPI: 1306853239

Practice Locations (6)

OPTUM CARE WASHINGTON PLLC

1200 112TH AVE NE, SUITE C160

BELLEVUE, WA 980043742

4254531039

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

2901 174TH ST NE

MARYSVILLE, WA 982714743

3604541900

OPTUM CARE WASHINGTON PLLC

4410 106TH ST SW

MUKILTEO, WA 982754700

4254936000

OPTUM CARE WASHINGTON PLLC

1201 N 175TH ST

SHORELINE, WA 981335064

4253394299

Source: CMS National Downloadable File, September 2026.

SHAWN SLACK, MD | HealthCareAtlasUSA