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 / GA

WILLIAM WAI-YNN LOONG

PHYSICIAN ASSISTANT

Graduated: 2015

NPI: 1326415563

Practice Locations (2)

NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC

450 NORTHSIDE CHEROKEE BLVD

CANTON, GA 301158015

7702241000

NORTHSIDE CARDIOVASCULAR PROFESSIONAL SERVICES, LLC

1285 UPPER HEMBREE RD

ROSWELL, GA 300761143

7703438565

Source: CMS National Downloadable File, September 2026.