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

Douglas K Rex, MD

Individual provider Gastroenterology Physician · NPI 1164486643

Douglas K Rex, MD is a Gastroenterology in Indianapolis, Indiana. Graduated from Indiana University School of Medicine in 1980, 46 years ago. Practices with Iu Health Medical Group, LLC, a 4,351-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Indiana.

Years since qualifying
46
Trained at
Indiana University School of Medicine
Licensed in
IN
In the registry since
2006
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

550 University Blvd Uh 4100
Indianapolis, IN 46202-5149
Phone: (317) 278-8741
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 1701 N Senate Blvd, Indianapolis, IN 46202-1239 — (888) 484-3258

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence 01029838A (IN)

Record details

NPI number1164486643
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 13, 2006
Last updated in NPPESMarch 4, 2025
Certification dateMarch 4, 2025
Mailing address250 N Shadeland Ave, Indianapolis, IN 46219-4959

Medicare enrollment

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

Medicare specialtyGASTROENTEROLOGY
Medical schoolINDIANA UNIVERSITY SCHOOL OF MEDICINE
Graduated 1980 (46 years in practice)
Group practice Iu Health Medical Group, Llc — 4351 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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