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

Dr. John P. Karagiannis, MD

Individual provider Gastroenterology Physician · NPI 1386647170

Dr. John P. Karagiannis, MD is a Gastroenterology in South Bend, Indiana. Graduated from Loyola University of Chicago, Stritch School of Medicine in 1987, 39 years ago. Practices with Privia Medical Group Indiana LLC, a 30-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
39
Trained at
Loyola University of Chicago, Stritch School of Medicine
Licensed in
IN
In the registry since
2005
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

621 Memorial Dr Ste 511
South Bend, IN 46601-1075
Phone: (574) 544-5580
Fax: (574) 544-5579
Show map & directions

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

Additional practice locations (2)

  • 1020 High Rd, Bremen, IN 46506-1093 — (574) 309-9967
  • 500 Arcade Ave Ste 300, Elkhart, IN 46514-2486 — (574) 389-7362

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 01041123A (IN)

Record details

NPI number1386647170
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 24, 2005
Last updated in NPPESJune 25, 2026
Certification dateJune 25, 2026

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolLOYOLA UNIVERSITY OF CHICAGO, STRITCH SCHOOL OF MEDICINE
Graduated 1987 (39 years in practice)
Group practice Privia Medical Group Indiana Llc — 30 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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