Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

John Jongyoon Byun

Individual provider Rheumatology Physician · NPI 1730684671

John Jongyoon Byun is a Rheumatology in Munster, Indiana. Graduated from Medical College of Wisconsin in 2018, 8 years ago. Practices with 219 Health Network Inc, a 70-clinician group and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
8
Trained at
Medical College of Wisconsin
Licensed in
IL, IN
In the registry since
2018
Specialties on file
3

Practice location Address checks out

9130 Columbia Ave Ste A
Munster, IN 46321-2932
Phone: (219) 836-1310
Fax: (219) 836-0617
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Rheumatology Physician (primary) Taxonomy 207RR0500X · Licence 01090266A (IN)
Rheumatology Physician Taxonomy 207RR0500X · Licence 036.155247 (IL)
Student in an Organized Health Care Education/Training Program Taxonomy 390200000X

Record details

NPI number1730684671
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedMarch 23, 2018
Last updated in NPPESOctober 27, 2023
Certification dateOctober 27, 2023
Mailing address8558 Broadway, Merrillville, IN 46410-7032

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyRHEUMATOLOGY
Medical schoolMEDICAL COLLEGE OF WISCONSIN
Graduated 2018 (8 years in practice)
Group practice 219 Health Network Inc — 70 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

Other providers in Munster