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 / MN

IAN CHANG

CARDIOVASCULAR DISEASE (CARDIOLOGY)

Graduated: 2009

NPI: 1538451802

Practice Locations (2)

WINNESHIEK MEDICAL CENTER

114 MAIN ST S

MABEL, MN 559549754

5074935115

MAYO CLINIC

200 1ST ST SW

ROCHESTER, MN 559050001

5072842511

Source: CMS National Downloadable File, September 2026.

IAN CHANG | HealthCareAtlasUSA