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 / IN

JOHN JONGYOON BYUN, MD

RHEUMATOLOGY

Medical school: MEDICAL COLLEGE OF WISCONSIN

Graduated: 2018

NPI: 1730684671

Practice Locations (1)

219 HEALTH NETWORK INC

9130 COLUMBIA AVE, SUITE A

MUNSTER, IN 463212932

2195544081

Source: CMS National Downloadable File, September 2026.

JOHN BYUN, MD | HealthCareAtlasUSA