Accepting patients
Who is Dr. Rex, Gastroenterologist in Indianapolis, IN?
Dr. Douglas Rex, MD is a Gastroenterologist, who primarily practices in Indianapolis, IN with 2 additional practice locations. He is board certified by the American Board of Internal Medicine. Dr. Rex graduated from Indiana University School of Medicine and completed his residency at Clarian Indiana Univ Hosp, Internal Medicine; Clarian Indiana Univ Hosp, Gastroenterology. Dr. Rex is fluent in English, and is currently seeing new patients. Dr. Rex’s practice accepts Medicaid, Medicare, UnitedHealthcare, Aetna, Cigna and other major insurance plans. To book an appointment or to confirm insurance options, please call Dr. Rex’s office at (317) 278-8741.
What are Areas of Expertise for Dr. Rex?
Dr. Douglas Rex, MD is a highly-rated, board-certified Gastroenterologist known for expertly diagnosing, treating, and managing a wide array of related conditions or procedures. Utilizing the latest medical advancements and evidence-based practices, Dr. Rex empowers patients to confidently navigate their health journey, specializing in Barrett's Esophagus, Colon & Rectal Cancer Detection, Colonoscopy, Endoscopic Mucosal Resection, Inflammatory Bowel Disease, or comprehensive wellness support. Serving the Indianapolis/IN community, Dr. Rex is dedicated to enhancing lives through expert, patient-centered care.
Where did Dr. Rex go to medical school and complete their residency?
Residency: Clarian Indiana Univ Hosp, Internal Medicine; Clarian Indiana Univ Hosp, Gastroenterology | Ind University Hospital | Indiana University Affiliated Hospitals | Mercy St Vincent Medical Center/Mercy Health Partners Program
Medical School: In Univ Sch of Med, Indianapolis In | Indiana University School of Medicine
Is Dr. Rex board certified in Gastroenterologist?
Yes, Dr. Douglas Rex, MD is board certified by the American Board of Internal Medicine
What languages does Dr. Rex speak?
Dr. Rex and their clinical team can communicate with patients in the following languages:
English
What conditions does Dr. Rex treat?
As a Gastroenterologist, Dr. Rex diagnoses, treats, and manages a wide range of conditions. This condition information is derived from anonymized insurance claims and highlights the medical conditions most commonly treated by Dr. Rex. It provides insight into the doctor’s areas of experience and expertise based on real-world patient encounters from the past two years, updated quarterly.
Also known as:
- Benign Ascending Colon Polyp
- Benign Cecum Polyp
- Benign Transverse Colon Polyp
- Benign Sigmoid Colon Polyp
- Benign Descending Colon Polyp
- Benign Tumor
- Colonic Polyps
- Colon Polyps
- Non-cancerous ascending colon growth
- Ascending colon adenoma
- Ascending colon benign tumor
- Non-cancerous cecum growth
- Cecal adenoma
- Cecum benign tumor
- Non-cancerous transverse colon growth
- Transverse colon adenoma
- Transverse colon benign tumor
- Non-cancerous sigmoid colon growth
- Sigmoid colon adenoma
- Sigmoid colon benign tumor
- Non-cancerous descending colon growth
- Descending colon adenoma
- Descending colon benign tumor
ICD-10 Codes:
- D122: Benign neoplasm of ascending colon
- D120: Benign neoplasm of cecum
- D123: Benign neoplasm of transverse colon
- D125: Benign neoplasm of sigmoid colon
- D124: Benign neoplasm of descending colon
Also known as:
- Colon Cancer Screening
- Health Screening
- Colorectal Cancer Screening (PDQ®)
- Screening Tests to Detect Colorectal Cancer and Polyps
- Tests to Detect Colorectal Cancer and Polyps
- Colorectal Cancer Screening
- Colonoscopy Screening
- Bowel Cancer Screening
ICD-10 Codes:
- Z1211: Encounter for screening for malignant neoplasm of colon
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal Polyps
- Intestinal Polyps
- Bowel Polyps
ICD-10 Codes:
- Z86010: Personal history of colon polyps
- Z860100: Personal history of colon polyps, unspecified
Also known as:
- Colon Polyps
- Colonic Polyps
- Colorectal polyps
- Bowel polyps
- Intestinal polyps
ICD-10 Codes:
- K635: Polyp of colon
Also known as:
- Stomach or Duodenum Polyp
- Stomach and Duodenum Disorder
- Stomach Disorder
- Gastric Polyp
- Duodenal Polyp
- Stomach Growth
- Gastric Conditions
- Duodenal Conditions
- Digestive System Disorders
ICD-10 Codes:
- K317: Polyp of stomach and duodenum
- K3189: Other diseases of stomach and duodenum
Also known as:
- Acid Reflux
- GERD with Esophagitis
- GERD
- Acid Reflux (GER & GERD) in Adults
- Acid Reflux (GER & GERD) in Children
- Acid Reflux (GER & GERD) in Infants
- Eosinophilic Esophagitis
- Gastroesophageal Reflux
- Heartburn
- Indigestion
- Reflux Esophagitis
- Acid Reflux Esophagus Inflammation
- Heartburn with Esophagus Damage
ICD-10 Codes:
- K219: Gastro-esophageal reflux disease without esophagitis
- K2100: Gastro-esophageal reflux disease with esophagitis, without bleeding
Also known as:
- Diaphragmatic Hernia
- Hernia
- Hiatal Hernia
- Hernia of the Diaphragm
ICD-10 Codes:
- K449: Diaphragmatic hernia without obstruction or gangrene
Also known as:
- Ulcerative Pancolitis
- Ulcerative Colitis
- Chronic Pancolitis
- Extensive Ulcerative Colitis
- Inflammatory Bowel Disease (IBD)
ICD-10 Codes:
- K5100: Ulcerative (chronic) pancolitis without complications
Also known as:
- Blocked Esophagus
- Esophagus Disorder
- Esophageal Obstruction
- Food Pipe Blockage
- Swallowing Difficulty
ICD-10 Codes:
- K222: Esophageal obstruction
Also known as:
- Rectal Polyp
- Rectal Disorder
- Rectal Growth
- Colon Polyp
- Benign Rectal Tumor
ICD-10 Codes:
- K621: Rectal polyp
Also known as:
- Non-cancerous Rectum Growth
- Benign Tumor
- Rectal Disorder
- Benign rectal tumor
- Rectal neoplasm
- Non-malignant rectal mass
ICD-10 Codes:
- D128: Benign neoplasm of rectum
Also known as:
- Crohn's Disease of the Large Intestine
- Crohn's Disease
- Crohn’s Disease
- Large Bowel Crohn's
- Crohn's Colitis', 'Colonic Crohn's Disease
ICD-10 Codes:
- K5010: Crohn's disease of large intestine without complications
Also known as:
- Family History of Digestive Organ Cancer
- Cancer
- Family History
- Genetic risk for gastrointestinal cancer
- Family history of GI cancer
- Hereditary digestive cancer
ICD-10 Codes:
- Z800: Family history of malignant neoplasm of digestive organs
Which procedures does Dr. Rex perform as a Gastroenterologist?
As a Gastroenterologist, procedures performed by a Dr. Douglas Rex may include:
- Colonoscopy
- Colonoscopy Consultation
- Colorectal Cancer Screening
- Endoscopic Ultrasound
- Endoscopy / Endoscopic Ultrasound
- Gastric Balloon
- Gastric Stimulator Implantation Consultation
- Gastric Stimulator Implantation Follow Up
For detailed information, please contact Dr. Rex's office.
Does Dr. Rex accept my insurance?
Dr. Rex accepts most major insurance plans. Important: Please call our office at (317) 278-8741 before your appointment to verify that your specific plan and network are accepted.
What insurance plans does Dr. Rex accept in Indianapolis, IN?
Dr. Rex in Indianapolis, IN accepts plans from many carriers. While this list is updated regularly, it is not a guarantee of coverage.
Top Insurances
All Other Third Party
CareSource
Centene
CVS Health (formerly Aetna)
Elevance Health Inc. (formerly Anthem)
Express Scripts
Humana
Indiana University Health
Medicare
UnitedHealthcare
View All Insurances
Where is Dr. Rex's office located?
Dr. Douglas Rex's Primary Practice
550 University Blvd
Indianapolis, IN 46202
(317) 278-8741
What is Dr. Rex's NPI number?An National Provider Identifier (NPI) is a unique ID number that identifies doctors and healthcare providers nationwide.
Dr. Rex's National Provider Identifier (NPI) number is 1164486643.
What common questions do patients ask about Dr. Rex?
Here are answers to patients Frequently Asked Questions (FAQ’s) about Dr. Rex
What is Dr. Douglas Rex's specialty?
Dr. Rex is a Gastroenterologist near Indianapolis, IN. An internist focused on diagnosing and treating disorders of the digestive system, encompassing the stomach, intestines, liver, and gallbladder. This specialist manages conditions like abdominal pain, ulcers, diarrhea, cancer, and jaundice, and performs intricate diagnostic and therapeutic procedures using endoscopes to examine internal organs. Contact Dr. Rex to book an appointment today.
Is this Dr. Douglas Rex affiliated with a ranked Castle Connolly Top Hospital?
No, Rex is not affiliated with a Castle Connolly Top Hospital, but is affiliated with the following hospitals: IU Health University Hospital. Castle Connolly Top Hospitals are identified through a rigorous peer nomination process, evaluating factors like patient outcomes, quality of care, and expertise. The list recognizes hospitals that excel in 20 or more specific medical procedures, representing the top 25% nationwide. Castle Connolly Top Hospitals
Where can I learn more about Gastroenterologist?
Explore Gastroenterologist with insights from trusted medical experts on EverydayHealth.com, where you'll find the most relevant content and helpful condition guides for up-to date information about symptoms, causes, diagnosis, treatment and more. See all our health guides to find trusted information on medical conditions from our experts at Everyday Health.
Is Douglas Rex accepting new patients in Indianapolis, IN?
Yes, Dr. Douglas Rex is accepting new patients at this time.
Does Dr. Douglas Rex offer online booking?
Please contact Dr. Rex's office at (317) 278-8741 for information about online booking, telehealth, or to schedule an appointment.
How can I make an appointment with Douglas Rex?
Please contact Dr. Rex's office at (317) 278-8741 for information regarding telehealth appointment availability or for scheduling assistance.
Which board certifications does Dr. Douglas Rex have?
Dr. Douglas Rex is certified by the American Board of Internal Medicine.
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