Summary

Dr. Douglas Rex is a gastroenterologist who earned his medical degree from Indiana University School of Medicine. With 46 years of experience in digestive health care, he brings extensive knowledge to treating conditions affecting the stomach, intestines, and related organs. He speaks both Spanish and English, making his care accessible to a diverse patient population.

Dr. Rex practices at IU Health locations in Carmel, Indiana, including the Gastroenterology & Hepatology clinic and Spring Mill Surgery Center. He specializes in treating serious digestive conditions such as C. diff colitis and colon cancer, as well as cyclic vomiting syndrome. His procedural expertise includes performing colonoscopies and endoscopic ultrasounds to diagnose and monitor digestive health concerns.

Overview based on verified provider data

Quick Facts

  • accepting new patients
  • 46 years of experience
  • 30 insurance plans accepted
  • speaks Spanish, English
  • Indiana University School Of Medicine
  • 3 specialties
  • 4 areas of expertise
  • 2 office locations
  • Male

Office Locations

Douglas K Rex has 2 locations

IU Health Gastroenterology & Hepatology - Carmel - IU Health Spring Mill Professional Building

10300 N Illinois St Ste 1100Carmel, IN 46290
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

IU Health Spring Mill Surgery Center - IU Health Spring Mill Professional Building

10300 N Illinois St Ste 1300Carmel, IN 46290
Mon8:00 am - 4:30 pm
Tue8:00 am - 4:30 pm
Wed8:00 am - 4:30 pm
Thu8:00 am - 4:30 pm
Fri8:00 am - 4:30 pm
SatClosed
SunClosed

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Douglas K Rex, MDAshley Anderson, APRNDr. Michael Paul Hartley, MDDr. Arthur Ramirez Baluyut, MD
GastroenterologyGastroenterologyGastroenterologyGastroenterology
Accepts New Patients Accepts New Patients Accepts New Patients Accepts New Patients
4.5 
4.4 
46 Years of Experience 26 Years of Experience 32 Years of Experience
No Virtual Visit Option Virtual Visit Available No Virtual Visit Option No Virtual Visit Option
Speaks Spanish, English Speaks English Speaks English Speaks Arabic, Spanish, Portuguese, English
Carmel , INSACRAMENTO , CADanville , INIndianapolis , IN
Med School: Indiana University School Of Medicine Med School: East Tennessee State University - Quillen College of Medicine Med School: Indiana University School Of Medicine Med School: Indiana University School Of Medicine
Current Profile
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Insurance Plans Accepted by Douglas K Rex

  • Accepts Medicare
  • Aetna
  • Aetna Medicare Advantage
  • American Health Plan of Indiana/Majestic Care Management I-SNP
  • Anthem
  • Anthem Blue Cross Blue Shield
  • Anthem Healthy Indiana Plan
  • Anthem Hoosier Care Connect
  • Anthem Hoosier Healthwise
  • Anthem Indiana PathWays for Aging
  • Anthem Medicare Advantage HMO
  • Anthem Medicare Advantage PPO
  • Anthem Pathway Essentials Network
  • CareSource
  • CareSource Healthy Indiana Plan
  • CareSource Hoosier Healthwise
  • Cigna
  • Cigna Marketplace
  • Community Health Alliance
  • Community Health Network Employee Plan
  • Coventry/First Health
  • Deaconess OneCare
  • Encore
  • Encore Combined
  • Encore Elite
  • Encore Workers Compensation
  • Humana
  • Humana Healthy Horizons Indiana PathWays for Aging
  • Humana Medicare Advantage HMO
  • Humana Medicare Advantage PFFS
  • Humana Medicare Advantage PPO

Medical Specialties

Douglas K Rex has the following 3 specialties

Specialty Expertise

Douglas K Rex has the following 4 areas of expertise

  • Gastroenterologist
  • Hepatologist
  • Laparoscopic Surgery (Laparoscopy)
  • Surgery

Certifications, License, & Education

46 Years Experience

Douglas K Rex holds an active medical license in the state of Indiana.

Medical License

Medical Doctor with an active medical license in the state of Indiana that expires in 2027.

Education & Training

Medical School

Graduated from Indiana University School Of Medicine in 1980.

NPI Number

Douglas K Rex's NPI number is 1164486643.

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Frequently Asked Questions

What languages does Douglas Rex speak?
Douglas Rex speaks Spanish and English.
Is Douglas Rex accepting new patients?
Douglas Rex is accepting new patients on Vitals. View Douglas Rex's profile on Vitals to make an appointment.
Does Douglas Rex accept my insurance?
You can see the insurance plans that Douglas Rex accepts on their Vitals profile.
Where is Douglas Rex's office located?
Douglas Rex's office is located at 10300 N Illinois St Ste 1100, Carmel, IN, 46290.
How can I make an appointment with Douglas Rex?
You can find contact information for Douglas Rex here on Vitals.

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